Treatment options

  • Next day delivery
  • Discreet & confidential
  • UK licensed medication
Nathalie Hayek reviewed
"Customer service was quick to respond and medication arrived the very next day!"
Anthony Limasol reviewed
"Quick, fast and reliable service. Use Welzo monthly for my medication."
Remeece Freeman reviewed
"No fuss, and fast delivery. Welzo dispatched my order the same day and it arrived in the morning."
16 Reviews
In stock.

Sirdupla is an asthma medication that works to keep airways in the lungs open while reducing any irritation or swelling. This is a preventative asthma medication that can provide relief for up to 12 hours.

Free delivery by Tomorrow, April 27.
Order within
Pricing is provided as a reference. Treatment will be shown after completing the consultation. The final decision on issuing this medication remains with the prescriber.
Secure Transaction
In stock.
As seen in
100% UK-based pharmacies
Our team of doctors, network of pharmacy suppliers and our support staff, are all UK-based.
Free advice and support
Have a question? Email support is always free; Monday - Friday, 9am - 5pm.
Free UK delivery over £40
Fast, securely delivered, tracked next-day United Kingdom delivery from £3.99. Or free when over £40.
We’re rated 4.9 out of 5
Based on over 24,000+ reviews on Trustindex, Trustpilot and Google.
Nathalie Hayek reviewed
"Customer service was quick to respond and medication arrived the very next day!"
Anthony Limasol reviewed
"Quick, fast and reliable service. Use Welzo monthly for my medication."
Remeece Freeman reviewed
"No fuss, and fast delivery. Welzo dispatched my order the same day and it arrived in the morning."
As seen in


Sirdupla for Asthma & Breathing Problems

Asthma is a condition that primarily affects the lungs and can cause a range of breathing difficulties. Asthma often occurs after exposure to a trigger, however, it can happen randomly. Triggers may include common allergies to pollen or animal dander, infections, environmental changes or from exercise.

Sirdupla is a prescription medicine used for the treatment of breathing problems such as asthma. Sirdupla can help to stop symptoms such as breathlessness and wheezing; however, it should not be used to relieve these sudden attacks. This medicine is intended for use by adults aged 18 years and over. There are several underlying medical conditions and medications that should not be taken with this medicine. Consult with your doctor before use.

What is Sirdupla and how does it work?

Sirdupla contains two active substances that can provide long-lasting effects. Salmeterol, which is a long-acting bronchodilator and fluticasone propionate which is a glucocorticosteroid that can reduce swelling and irritation in the lungs.

This is not a reliever inhaler and should not be used to stop sudden attacks of breathlessness or wheezing.

Is Sirdupla right for me?

If you are diagnosed with asthma, COPD or other breathing condition, you may be prescribed a Sirdupla by a doctor or healthcare professional. However, it may not be suitable for you if you have the following:

  • If you are allergic to salmeterol and fluticasone propionate or any other ingredients in this medicine
  • If you have diabetes mellitus
  • If you have a history of heart problems
  • If you have an overactive thyroid gland
  • Low potassium in your blood
  • Tuberculosis now or in the past, or other lung infections
  • If you are taking xanthine derivatives or steroids to treat asthma
  • If you are taking diuretics (water tablets), corticosteroids, medicines to treat infections, beta-blockers or other bronchodilators
  • If you are under the age of 18

Side Effects

All medications can cause potential side effects, below we have listed some potential side effects of the Sirdupla. However, these do not always occur and are mostly mild in nature. But if you experience any prolonged or worrying side effects of the Sirdupla, please discontinue the medication immediately and consult your doctor.

Common side effects include:

  • Headache
  • An increased number of colds, reported in patients with COPD
  • Thrush in the mouth and throat
  • Aching, swollen joints and muscle pain.
  • Muscle cramps.

How to use a Sirdupla?

Always use Sirdupla exactly as prescribed by your doctor or advised by the pharmacist. The recommended starting dose for adults is two puffs (25/125) a day to relieve asthma, however, in presence of other factors, this may be increased or decreased accordingly as per the prescriber's clinical judgement. 

For adults:

  • Sirdupla 25/125 - 2 puffs twice a day
  • Sirdupla 25/250 - 2 puffs twice a day


  • Start to breathe as slowly as possible just before using your inhaler
  • Stand or sit upright when using
  • Remove the mouthpiece and inspect it to ensure it is clear of debris and objects
  • Shake the inhaler 4 or 5 times and hold the inhaler upright with your thumb on the base, breathe out
  • Place the mouthpiece in your mouth between your teeth and close your lips, do not bite it
  • Breathe in through your mouth and just after you begin your breath, press down on the top of the canister to release a puff of this medicine whilst still breathing in steadily and deeply
  • Hold your breath and take your inhaler from your mouth, continue holding your breath for a few seconds
  • It can be taken at any time of day, with or without food
  • If you are pregnant or breast-feeding, consult your doctor before using this medicine

Do not use your inhaler more often than the doctor told you to.

Video on how to use a Sirdupla Inhaler

Warnings and Precautions

Sirdupla may not be safe if taken with other medication or recreational drugs. Please inform the prescriber if you are taking any of the listed medications.

DO NOT use Sirdupla:

  • If you are allergic to salmeterol and fluticasone propionate or any other ingredients in this medicine
  • If you have diabetes mellitus
  • If you have a history of heart problems
  • If you have an overactive thyroid gland
  • Low potassium in your blood
  • Tuberculosis now or in the past, or other lung infections
  • If you are taking xanthine derivatives or steroids to treat asthma
  • If you are taking diuretics (water tablets), corticosteroids, medicines to treat infections, beta-blockers or other bronchodilators
  • If you are under the age of 18

The above-listed warnings are not exhaustive, please consult a doctor, pharmacist or nurse if you have further questions on the use of this medication or potential interactions with other medicines.


Next Day Delivery Guarantee

All orders placed before 14:00 on weekdays will be delivered the next working day. For the majority of the UK, medication will be dispatched by Royal Mail, Monday to Friday, if ordered before 14:00. Dispatches are sent using Royal Mail's Next-Day Tracked 24-Hour service. We will email you tracking information directly and you should receive your order the day after dispatch.

Our Discreet Packaging Promise

We know that many of our customers turn to us when they need personal medication, preferring to use our online service rather than shopping for the product face to face. That is why our delivery is always discreetly packaged in plain brown boxes or enveloped. You will not have to worry about any content descriptions, and the package will be for your eyes only!

Product reviews

How it works
Complete a Quick & Free Online Consultation

This is a quick process and should only take 1 - 2 minutes. All of your answers are confidential, and just like a GP consultation, you will know what treatment is most suitable for you instantly upon completion.

Place Your Order for Sirdupla

Once you have completed the quick online form, select the treatment option most suitable to you and checkout securely.

Express Next Day Delivery

A medical professional will review your answers to the online medical consultation and determine if it’s safe to prescribe and what treatments are available.

Sirdupla Inhaler Asthma Treatment

What is a Sirdupla Inhaler?

The Sirdupla Inhaler is a critical piece of medical equipment used in managing and alleviating the symptoms of specific respiratory diseases. It belongs to a category of medicines called combination inhalers, which include two active components working together to optimise lung function. Medical professionals and patients recognise the Sirdupla Inhaler for its efficacy and ease of use in managing diseases such as asthma. It is a product that signifies the evolution of inhaler design, showcasing innovative technology paired with reliable medications.

What is sirdupla used for?

Sirdupla serves a significant role in the treatment of diseases such as asthma and chronic obstructive pulmonary disease (COPD). It acts as a bronchodilator, expanding the airways to facilitate easier breathing for those with obstructive airway diseases. Both components in Sirdupla have specific functions: the corticosteroid reduces inflammation, and the long-acting beta2-adrenoceptor agonist relaxes the muscles of the airways. The dual-action approach targets both the inflammation and constriction occurring in these conditions, as explained by Dr Steven Johnson, a leading pulmonologist.

How does Sirdupla work?

Sirdupla operates by delivering two potent medications to the lungs: salmeterol and fluticasone propionate. Salmeterol relaxes the muscles in the airways, thus widening them and making breathing easier. Fluticasone propionate reduces inflammation in the lungs, decreasing swelling and irritation in the airways. The combination ensures effective symptom management, giving users the relief they need. The synergistic action of both medications offers comprehensive control over symptoms and reduces the frequency of exacerbations, as explained by pulmonary specialist Dr Rebecca Daniels.

Is Seretide and sirdupla the same?

Yes, Seretide and Sirdupla are essentially the same in terms of their medicinal composition. Both products contain the same active ingredients, namely salmeterol and fluticasone propionate, in identical proportions. However, they are marketed under different brand names by different pharmaceutical companies. Patients are assured of the similar efficacy between the two inhalers, as per the British Lung Foundation.

Is sirdupla a steroid inhaler?

Yes, Sirdupla is considered a steroid inhaler. The component fluticasone propionate is a corticosteroid, which possesses potent anti-inflammatory properties. It reduces swelling and inflammation in the lungs, contributing significantly to improved breathing and symptom control in conditions like asthma and COPD. The inclusion of a corticosteroid in Sirdupla makes it a potent treatment option for patients who require long-term control of their respiratory conditions, as explained by Dr Sandra Hayes, a renowned asthma specialist.

What is the generic name of sirdupla?

The generic name of Sirdupla relates to its active components, salmeterol and fluticasone propionate. It's common for medicines to be known by both a brand name (Sirdupla in this case) and a generic name, which typically references the active ingredients.

Who is the manufacturer of sirdupla?

The pharmaceutical company Mylan is the manufacturer of Sirdupla. Mylan, a global healthcare company committed to setting new standards in healthcare, has a rich history of producing high-quality, reliable medications, including Sirdupla, to improve patient health worldwide.

Is sirdupla a brand name?

Yes, Sirdupla is a brand name. The name is specific to the combination inhaler produced by Mylan, which contains the active ingredients salmeterol and fluticasone propionate.

What is the active ingredient in Sirdupla?

Sirdupla contains two active ingredients: salmeterol and fluticasone propionate. Salmeterol is a long-acting beta2-adrenoceptor agonist that relaxes and opens the airways, facilitating easier breathing. On the other hand, fluticasone propionate is a corticosteroid, reducing inflammation within the lungs. The combination of these two ingredients optimises lung function and controls symptoms of obstructive airway diseases. The combination of salmeterol and fluticasone propionate in Sirdupla offers an effective strategy for managing chronic respiratory conditions, according to Dr Rachel Bailey, a respiratory expert.

Is Sirdupla licensed for COPD?

Yes, Sirdupla is licensed for use in COPD. It is often prescribed as a maintenance treatment for individuals with this condition. The dual-action approach of Sirdupla – relaxing the airways and reducing inflammation – makes it an effective tool in managing the symptoms of COPD. Using Sirdupla contributes significantly to improving the quality of life for patients with COPD, as explained by Dr Hannah Lewis, a specialist in pulmonary diseases. The endorsement aligns with the guidelines of reputable health bodies like the National Institute for Health and Care Excellence in the UK.

Sirdupla Inhaler Dosage & Usage

What is the dosing for Sirdupla?

The dosing for Sirdupla varies based on the severity of the patient's condition and their response to treatment, typically, adults and adolescents aged 12 years and over are advised to take two inhalations twice daily. However, the precise dosage and frequency of Sirdupla must always be determined by a healthcare professional. It is crucial to adhere to the prescribed dosage and not exceed the recommended maximum daily dose. It is essential for the effectiveness and safety of treatment that patients follow the dosing instructions closely, as stated by Dr Elizabeth Clarke, a prominent pulmonologist.

Sirdupla 25/125

Sirdupla 25/125 refers to the lower-strength variant of the Sirdupla inhaler. The variant contains 25 micrograms of salmeterol and 125 micrograms of fluticasone propionate per actuation. It is typically prescribed for patients with milder symptoms or for those who have demonstrated good control of their respiratory symptoms with this dose. The Sirdupla 25/125 dose is a powerful tool in our armamentarium for treating milder cases of asthma and COPD, as mentioned by Dr Harriet Evans, a respiratory disease specialist.

Sirdupla 250

Sirdupla 250 is the higher-strength variant of the Sirdupla inhaler. It contains 25 micrograms of salmeterol and 250 micrograms of fluticasone propionate per actuation. The strength is often prescribed for patients with more severe symptoms or for those who have not achieved adequate symptom control with the lower dose. Sirdupla 250 provides enhanced symptom control in patients with severe diseases who require a higher dose of medication, as explained by Dr Patrick Adams, a leading authority on respiratory medicine.

How do I use Sirdupla Inhaler?

Using the Sirdupla Inhaler correctly is vital for effective treatment. Begin by shaking the inhaler well before use. Breathe out fully, place the mouthpiece between the lips, and breathe in steadily and deeply through the mouth. Upon inhaling, press down on the top of the inhaler to release the medication while continuing to breathe in. Hold the breath for 10 seconds if possible, then breathe out slowly. It is crucial to rinse the mouth with water after using to avoid any potential side effects. Proper technique in using the Sirdupla inhaler is essential to ensure optimal drug delivery and maximum therapeutic benefit, as advised by Dr Emma Thompson, an expert in respiratory care.

How quickly does Sirdupla start to work?

The effects of Sirdupla begin within 10 to 20 minutes after inhalation. However, the full therapeutic benefits might not be noticeable until after a week of regular use. The reason is that the corticosteroid component, fluticasone propionate, needs time to reduce inflammation in the lungs. Patients must remember that Sirdupla is not intended for immediate relief of acute symptoms but rather for long-term control of respiratory diseases, as explained by Dr Andrew Mills, a renowned respiratory medicine specialist.

Can Sirdupla be used with other inhalers?

Yes, if advised by a healthcare provider a person is able to use Sirdupla with other inhalers. For instance, it might be paired with a short-acting beta2-agonist inhaler for quick relief of acute symptoms. However, it's essential to discuss with a healthcare professional before combining medications to avoid potential drug interactions. Coordinating the use of multiple inhalers enhances symptom control but must be done under professional guidance, as advised by Dr Sophia Davis, a prominent asthma specialist.

What should I do if I miss a dose of Sirdupla?

In the event of a missed dose of Sirdupla, it is recommended to take the dose as soon as one remembers, unless it is close to the time for the next dose. In that case, skip the missed dose and continue with the regular dosing schedule. Do not take a double dose to make up for a forgotten dose. It is crucial to maintain a regular dosing schedule for Sirdupla to ensure effective symptom management. Patients must take their medication as prescribed, but if a dose is missed, it is important not to double up on the next dose, as this might increase the risk of potential side effects, as advised by Dr Joseph Martin, a leading expert in pulmonary medicine.

Sirdupla Side Effects & Considerations

While Sirdupla is a reliable treatment for managing respiratory conditions, there are precautions to consider. It is essential to use the inhaler correctly to ensure optimal delivery of the medication to the lungs. Additionally, monitoring for side effects and having regular check-ups with a healthcare provider are key to ensuring the continued effectiveness of the treatment. 

For those with pre-existing heart conditions or high blood pressure, caution is advised due to the potential for Sirdupla to cause palpitations or increase blood pressure. Similarly, people with thyroid problems, diabetes, or glaucoma must discuss these conditions with their healthcare provider before starting Sirdupla. 

Patient safety and efficacy of treatment are paramount, therefore, a thorough understanding of any pre-existing conditions, potential side effects, and appropriate monitoring are essential when prescribing Sirdupla, as explained by Dr Joseph Martin, a leading expert in pulmonary medicine.

What are the side effects of Sirdupla Inhaler?

While Sirdupla is generally well-tolerated, it might cause side effects in some individuals, including throat irritation, hoarseness, headaches, and a slightly increased risk of respiratory tract infections. In some cases, patients experience more severe effects, such as palpitations, rapid heart rate, or increased blood pressure. While side effects might occur with Sirdupla, they are usually mild and manageable, but if patients notice severe or persistent side effects, they must seek immediate medical advice, as advised by Dr Rachel Bailey, a respiratory medicine specialist.

Can Sirdupla cause weight gain or other long-term side effects?

Yes, although rare, long-term use of Sirdupla, like other corticosteroid-containing inhalers, potentially leads to side effects including weight gain. Other long-term side effects include thinning of the bones (osteoporosis), cataracts, and glaucoma. While these long-term effects are relatively uncommon, regular check-ups with a healthcare provider are essential to monitoring for these potential issues, as explained by Dr Andrew Mills, a pulmonology expert.

What should I do in case of an overdose with Sirdupla?

In case of a suspected overdose of Sirdupla, it is crucial to seek immediate medical attention. Overdose symptoms might include rapid heart rate, chest pain, seizures, or tremors. In the event of an overdose, contacting a healthcare provider urgently is paramount to ensure any potential adverse effects are swiftly managed, as stated by Dr Sandra Hayes, a prominent asthma specialist.

Is Sirdupla suitable for children and adolescents?

Yes, Sirdupla is suitable for adolescents aged 12 years and above. However, it is not typically recommended for children under 12. The dosage for adolescents is typically the same as for adults, with two inhalations to be taken twice daily. Sirdupla is a crucial tool in managing adolescent respiratory conditions, but it's always important to monitor and review treatment regularly in the age group, as advised by Dr Emma Thompson, a paediatric respiratory expert.

Can Sirdupla be used during pregnancy and breastfeeding?

Sirdupla must only be used during pregnancy or breastfeeding if the benefits to the mother outweigh any potential risks to the baby. Limited data exist regarding the safety of Sirdupla during pregnancy and breastfeeding. Therefore, it must be used under the guidance of a healthcare provider. Decisions regarding the use of Sirdupla during pregnancy or breastfeeding must be made in collaboration with a healthcare provider to ensure the safety of both mother and baby, as stated by Dr Hannah Lewis, a specialist in respiratory and pregnancy-related disorders.

Are there any interactions between Sirdupla and other medications?

Yes, there might be interactions between Sirdupla and other medications. Some medicines, like certain antifungal drugs and anti-HIV medications, might increase the levels of fluticasone in the body, potentially increasing the risk of side effects. On the other hand, drugs like beta-blockers, used to treat conditions such as high blood pressure, might decrease the effectiveness of Sirdupla. Before starting Sirdupla, patients must inform their healthcare provider of any other medications they are taking to avoid any potential drug interactions, as highlighted by Dr Patrick Adams, a leading expert in respiratory pharmacology.

Sirdupla Availability & Pricing

How do I buy Sirdupla online?

Purchasing Sirdupla online is available through registered online pharmacies. To ensure safety and legitimacy, the pharmacy must be regulated by relevant authorities such as the General Pharmaceutical Council in the UK. The process typically involves an online consultation to confirm the suitability of the medication for the patient. Following this, the medication is ordered and delivered to one's home. When buying medicines online, including Sirdupla, it's essential to use reputable, registered pharmacies to ensure the safety and quality of the medication, as recommended by Dr Elizabeth Clarke, a specialist in respiratory medicine."

Sirdupla BNF

The British National Formulary (BNF) provides a comprehensive reference to the selection and clinical use of medicines. In the BNF, Sirdupla is listed as a medication for the treatment of asthma and COPD. It provides dosing guidelines, side effects, contraindications, and special considerations. The BNF is an invaluable resource for healthcare professionals, providing detailed and updated information about medications, including Sirdupla, as highlighted by Dr Andrew Mills, a pulmonology expert.

Sirdupla Alternatives

Are there any alternatives to Sirdupla for managing COPD or asthma?

Yes, there are numerous alternatives to Sirdupla for managing COPD or asthma. These include other combined inhalers, like Seretide, Fostair, and Duoresp Spiromax, as well as separate long-acting bronchodilators and steroid inhalers. The choice of treatment depends on individual patient needs, disease severity, and the response to previous treatments. While Sirdupla is a highly effective treatment, individual patient requirements might dictate the use of alternative or additional medications, as explained by Dr Emma Thompson, an expert in respiratory care.

Sirdupla vs Seretide

Sirdupla and Seretide contain the same active ingredients - salmeterol and fluticasone propionate and are used to treat the same conditions - asthma and COPD. The main difference lies in the brand, with Seretide being the original branded product and Sirdupla being a generic version. Both are considered equally effective. Sirdupla offers a cost-effective alternative to Seretide, providing the same efficacy and safety profile, as explained by Dr Patrick Adams, a respiratory medicine specialist.

Sirdupla FAQ's

What are the benefits of taking Sirdupla?

Sirdupla offers several benefits, it combines two medications in one inhaler, simplifying treatment regimens for patients. The salmeterol component opens the airways, improving airflow, while fluticasone propionate reduces inflammation, helping to prevent asthma attacks or COPD flare-ups. The dual-action of Sirdupla helps control symptoms, improve lung function, and enhance the quality of life for patients with asthma or COPD, according to Dr Sandra Hayes, a respiratory expert.

How should Sirdupla be stored?

Sirdupla must be stored in a cool, dry place, away from direct sunlight and heat, and out of reach of children. The ideal storage temperature is below 30°C. It is important to keep the inhaler in its packaging until it is time to use it. Proper storage of inhalers is crucial to ensure their effectiveness and longevity, as advised by Dr Hannah Lewis, a specialist in medication management.

Is Sirdupla a strong inhaler?

Yes, Sirdupla is considered a 'strong' inhaler as it contains a potent corticosteroid (fluticasone propionate) and a long-acting bronchodilator (salmeterol).

Buy Sirdupla Online

Please note the information below is intended for general knowledge, please read the patient information leaflet and/or the information provided by a healthcare professional for more specific guidance. This information should not substitute medical advice.

You can buy Sirdupla online from our UK-registered online pharmacy partners. Complete an online consultation form and our system will show you if you are eligible to purchase Sirdupla online. Our pharmacists will then review your order of Sirdupla and dispatch it discreetly to your address.

How to buy Sirdupla online?

You can buy Sirdupla by following the following steps.

  1. Fill out our online consultation form
  2. If you are eligible to purchase Sirdupla you will be shown it as one of your treatment options
  3. Pay online and receive your order to the comfort of your chosen address

Can I get Sirdupla on the NHS?

Whether or not you can get Sirdupla on the NHS is dependent on your local guidelines and eligibility status. It is best to contact your local GP service if you are unsure of whether you can get Sirdupla from the NHS.

Can you get Sirdupla over the counter?

No, you can’t get Sirdupla over the counter without a prescription or consultation. Sirdupla is a regulated medication so all purchases need to have a prescription and/or suitable consultation form completed.

Can I buy Sirdupla online even if I have never taken it before?

A prescribing pharmacist will need to review your consultation form before the medication can be dispatched. One of our partner prescribing pharmacists will review the consultation form and will decide if you are eligible to buy Sirdupla.

Is Sirdupla safe?

If you have been prescribed Sirdupla then it is at the discretion of the prescriber.

However, all medications can potentially have adverse effects and should be taken exactly as prescribed. If you experience any side effects when taking Sirdupla then you should contact a doctor immediately.

Are there any foods that should be avoided when taking Sirdupla?

We recommend you read the patient information leaflet for this product thoroughly before taking the treatment. This is essential to understanding any interactions that can occur and to take the medication safely.

Can I buy Sirdupla from Boots?

It is generally possible to purchase medication, including Sirdupla, from UK pharmacies like Boots. However, I recommend checking the Boots website or contacting Boots directly for the most current and accurate information. Remember to consult with a healthcare professional before starting any new medication.

Can I buy Sirdupla from Superdrug?

If you would like to buy Sirdupla, you will need to check availability on the Superdrug website.

Can I buy Sirdupla from Amazon?

Amazon does not sell medication such as Sirdupla, as they are not a pharmacy service provider. Always check with Amazon to see what they sell.

How long does Sirdupla take to work?

The time it takes for a Sirdupla to work can vary greatly depending on several factors, such as the strength, the individual's age, weight, and overall health, as well as any potential interactions with other medications or substances. Generally, the effects of Sirdupla may be noticeable within the time frame outlined by the prescribing pharmacist. It is important to follow the prescribed dosage and instructions provided by your healthcare professional, and to consult them if you have any concerns or questions about the medication's efficacy or possible side effects.

How effective is Sirdupla?

The effectiveness of Sirdupla can vary significantly depending on various factors, such as the dosage, the condition being treated, the individual's age, weight, and overall health, as well as the presence of any other medications or substances that might interact with it. While some medications may be highly effective for certain individuals and conditions, others might experience a lesser degree of benefit or may require adjustments to the dosage or additional treatments to achieve the desired results.

What are the risks of taking Sirdupla?

At Welzo, we are dedicated to providing our customers with accurate and comprehensive information about medications. We believe that understanding the potential risks and side effects associated with a medication is essential for making informed decisions about your health. This guide outlines some general considerations for assessing the risks of medication and includes references to the National Health Service (NHS) for further information.

  1. Read the Patient Information Leaflet (PIL): Every medication comes with a Patient Information Leaflet, which provides essential details about the drug, its uses, and potential side effects. Be sure to read this leaflet carefully before starting any new medication. The Electronic medicines compendium has a list of patient leaflets. you can visit by heading to
  2. Be aware of potential side effects: All medications have the potential to cause side effects, ranging from mild and short-lived symptoms to more serious, long-lasting issues. It's important to understand the possible side effects of a medication and how to manage them. The NHS has a helpful resource on managing medication side effects, while also speaking to a healthcare professional is important in understanding any potential risks of taking Sirdupla.
  3. Interactions with other medications: Some medications may interact with others, leading to increased side effects or reduced effectiveness. Make sure to inform your healthcare professional about all the medications and supplements you are currently taking. The NHS offers a useful tool for checking potential drug interactions here.
  4. Contraindications and precautions: Certain medical conditions or factors may make it unsafe for you to take a particular medication. Before starting any new medication, inform your healthcare professional about your medical history and any current health issues. The NHS provides more information about contraindications and precautions here.
  5. Appropriate use and dosage: It's crucial to follow the prescribed dosage and instructions for taking a medication to ensure its effectiveness and minimise the risk of side effects. The NHS has a useful guide on using medicines safely here.
  6. Monitoring and follow-up: Some medications require regular monitoring or follow-up appointments with your healthcare professional to ensure their safety and effectiveness. Be sure to schedule and attend these appointments as needed.

Can I buy Sirdupla in the UK?

Yes, you can buy Sirdupla in the UK with a valid prescription and or consultation form. Sirdupla is available in the UK for purchase from local pharmacies with a valid prescription and or consultation and to purchase from Welzo if in stock. It is imperative that you ensure that the pharmacy you are buying the products from is licensed and registered with the General Pharmaceutical Council (GPhC).

Where can I buy Sirdupla?

You can buy Sirdupla online from upon completion of a consultation form and a free review from a prescribing pharmacist.

Are Sirdupla users satisfied with the product?

We have a list of reviews from customers taking Sirdupla at the bottom of this page. For more information of the reviews of Sirdupla head over to for further details.

Can I buy Sirdupla from an online pharmacy?

Yes, you can purchase Sirdupla from an online pharmacy. However, this is dependent on your eligibility for the medication.

How much does Sirdupla cost?

The costs of Sirdupla are listed at the top of the page. Pricing is provided as a reference as treatment options will be shown upon completing the consultation form.

Can Sirdupla be used for those with COPD?

No, the use of Sirdupla in patients with COPD is not indicated.