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Norethisterone - welzo
Norethisterone - welzo
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."


Norethisterone - welzo
Norethisterone - welzo
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."
28 Reviews
Sale price £18.99
In stock.
28 Reviews

Norethisterone is a period delay medicine, it belongs to a group of medicines called Progestogens. Progestogens are...

Norethisterone is a period delay medicine, it belongs to a group of medicines called Progestogens. Progestogens are similar to the naturally occurring female hormone Progesterone.  Norethisterone needs to be started 3 days before the expected onset of period. Menstruation may occur 2-3 days after stopping the medicine.

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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
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yahoo_01d90440-d295-40e7-9266-347e0db579ff - welzo
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Description of Norethisterone

What is Norethisterone?

Norethisterone tablets are a period delay pill that can be used to treat or manage heavy, painful or irregular periods as well as endometriosis, breast cancer and premenstrual tension (PMT).

How does it work?

Norethisterone will sustain the womb lining and delay a period until the tablets are stopped.

Is Norethisterone suitable for me?

If you wish to lessen the symptoms of periods and prevent pregnancy, Norethisterone may be right for you. This medication may not be suitable for all women so ensure you disclose your medical history to your doctor before being prescribed Norethisterone. 

The product images shown may represent the range of products, or be for illustration purposes only and may not be an exact representation of the product.

Dosage of Norethisterone

Commonly Used Dosage Guidelines for Nortethisterone.

Take ONE tablet three times daily starting 3 days before expected period and continue until period delay is no longer required. 

Disclaimer: This website does not provide medical advice. No information listed on this website is intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of your physician or other qualified health care provider with any questions you may have regarding a medical condition or treatment before undergoing a new health care regimen, and never disregard professional medical advice or delay in seeking it because of something you have read on this website.

Side Effects of Norethisterone

All medications can cause potential side effects, below we have listed some potential side effects, however, these do not always occur.

  • Headache
  • Depression
  • Dizziness
  • Fatigue
  • Difficulty sleeping
  • Confusion
  • Nervousness 
  • Loss of concentration
  • Feeling sick or being sick
  • Constipation
  • Diarrhoea
  • Dry mouth

Disclaimer: This website does not constitute as medical advice, you should also consult with a doctor before taking medication. If you experience any major reactions to any medication you are taking, you must seek immediate medical attention.

Delivery of Norethisterone

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!

How to take Norethisterone?

Always take Norethisterone exactly as prescribed by your doctor or advised by the pharmacist.

  • Take 1 Norethisterone tablet 3 times daily for 10 days, or as recommended by your provider, for period issues such as heavy bleeding.  
  • Swallow Norethisterone tablet whole with water, take Norethisterone with or without a meal.
  • Norethisterone may be taken as recommended for additional days, consult with your provider for exact duration of treatment.

If unsure of how to use Norethisterone or if you have further questions, please consult your doctor or pharmacist.

Warnings and Precautions of Norethisterone

Norethisterone may not be safe if used with certain medications or recreational drugs. Please inform the prescriber if you are taking any of the listed medications.

DO NOT use Norethisterone:

  • If you are taking medications such as carbamazepine and phenytoin to treat epilepsy.
  • If you are taking antibiotics such as co-trimoxazole, tetracyclines and rifampicin to treat an infection.
  • If you are taking herbal medication containing St John's Wort. 
  • If you are taking antiviral medications such as ritonavir and nelfinavir to treat HIV. 
  • If you are taking Aminoglutethimide.
  • If you are taking high blood pressure medications.
  • If you are taking Non-steroidal anti-inflammatory drugs (NSAIDs) to treat inflammation and pain.

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.

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Place Your Order for Norethisterone and Upload ID

Once you have completed the quick online form, select the treatment option most suitable to you and checkout securely. If you are eligible for treatment you will be asked to upload an ID and whole body picture.

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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.

General Information

What is norethisterone?

Norethisterone is a man-made form of progestogen, a type of hormone that's naturally produced by the female body. The hormone is an essential part of the menstrual cycle and pregnancy. The medication is used in hormone replacement therapy, contraceptives, and in treating disorders of the menstrual cycle.

What is norethisterone used for?

Norethisterone, also known as norethindrone, is a synthetic form of progestogen, a class of hormones that includes progesterone. The medication mimics the natural female hormone progesterone. It is widely used in several types of hormonal contraceptives, including the combined oral contraceptive pill and the mini-pill. Moreover, norethisterone is frequently used in managing conditions related to menstruation and fertility. These conditions include premenstrual syndrome (PMS), painful periods, irregular periods or heavy menstrual bleeding, and endometriosis. It's often utilised in hormone replacement therapy (HRT) for menopausal women and as part of the treatment protocol for certain types of breast cancer.

Norethisterone uses

Norethisterone is versatile in its uses owing to its hormonal properties. It is a key component in numerous hormonal contraceptives and is frequently used to treat a variety of conditions related to menstruation, including premenstrual syndrome (PMS), dysmenorrhea (painful periods), menorrhagia (heavy periods), and endometriosis, a condition where tissue similar to the lining of the womb starts to grow in other places, such as the ovaries and fallopian tubes. Norethisterone is sometimes prescribed to delay menstruation for reasons such as travel or special occasions. Furthermore, it's used in hormone replacement therapy (HRT) for menopausal women and in certain cases, it's used in the treatment of breast cancer.

Dosage & Usage

How long can you take norethisterone to stop period?

Norethisterone is taken for up to 20 days to stop periods. Norethisterone is usually taken three days before an expected period begins and is continued for the duration that one wishes to prevent menstruation, up to a maximum of 20 days in most cases. It's important to note, however, that while norethisterone is effective in delaying periods, its prolonged use is not recommended due to potential side effects. Moreover, it doesn't provide contraceptive protection and isn't recommended as a long-term solution for period delay.

What happens if I take norethisterone while on my period?

If taking norethisterone after one starts menstruating, it may not stop the bleeding. Norethisterone is designed to delay a period if taken before menstruation begins. It does this by maintaining levels of progesterone, thereby tricking the body into thinking it's pregnant and delaying the shedding of the womb lining. Once the shedding process has started (which is what happens when one gets a period), norethisterone is unlikely to stop it.

Can Norethisterone be used to induce the onset of a period?

Yes, in certain cases, norethisterone may be used to help induce a period, particularly for women who have irregular periods or have stopped having periods due to conditions like polycystic ovary syndrome (PCOS). The medication might help regulate the menstrual cycle, but it's essential to follow a doctor's instructions regarding its usage.

Norethisterone 5mg

The 5mg dose of norethisterone is commonly used to delay periods. The usual advice is to start taking it three days before a period is expected to start and continue for the length of time one wishes to delay your period, up to a maximum of 20 days. Remember, norethisterone is not a form of contraceptive and must not be used as a regular method for delaying periods due to potential side effects.

How to take Norethisterone tablets?

Norethisterone tablets must be swallowed whole with a glass of water. They are taken with or without food. To ensure effectiveness, it is advisable to take the norethisterone tablet at the same time each day.

Norethisterone dosage to delay period

The usual dosage of norethisterone to delay a period is one 5mg tablet taken three times a day. The dose must ideally be started three days before a period is due to begin. A user is able to continue taking norethisterone for the duration they wish to delay their period, usually for no more than 20 days. After stopping the medication, a period starts within 2 to 3 days.

What happens if you take norethisterone on the first day of period?

Taking norethisterone on the first day of a period might not stop the bleeding because the drug works by keeping levels of progesterone high, preventing the shedding of the womb lining, which happens during a period. Starting to take norethisterone once a period has begun may not be effective, as the shedding process has already started.

Norethisterone dosage per day

The standard dosage of norethisterone for delaying a period is one tablet three times a day. This typically starts three days before the period is due. Always follow the instructions given by a healthcare provider.

Will norethisterone stop bleeding once started?

No, Norethisterone is typically used to prevent the start of a period rather than stop it once it has begun. It maintains the high levels of progesterone in the body which prevents the womb lining from shedding, which is what happens during a period. However, once a period has started and this process has begun, norethisterone is unlikely to stop the bleeding.

Availability & Pricing

Norethisterone BNF

The British National Formulary (BNF) provides healthcare professionals with authoritative and practical information on the selection and clinical use of medicines. The BNF lists norethisterone as a prescription-only medication, which means it's available only with a prescription from a doctor.

Can I buy Norethisterone from Boots?

In the UK, norethisterone is available for purchase from pharmacies such as Boots with a prescription from a healthcare professional. The service is often offered online as well, allowing a person to fill out a health questionnaire that a pharmacist or doctor reviews before the medication is dispatched.

Does Amazon sell period delay tablets?

No, Norethisterone is not sold on Amazon, as it is a prescription-only medication and must be obtained from a registered pharmacy. While one might find period delay pills advertised on platforms like Amazon, it's crucial to remember that medications like norethisterone must always be prescribed by a healthcare professional. Buying medications from unregulated sources is risky as safety or efficacy may not be guaranteed.

Can I buy norethisterone in the UK?

In the UK, norethisterone is available from both physical and online pharmacies. However, a prescription from a healthcare professional is required. Some digital pharmacies provide an online consultation service, where a questionnaire is completed and reviewed by a healthcare professional before a prescription is given.

Can you get period delay tablets on the NHS?

Norethisterone is available on the NHS for certain conditions like heavy periods or painful periods. However, it may not be available on the NHS for the specific purpose of delaying periods, in which case one needs a private prescription.

Can you get period delay tablets over the counter?

No, in the UK, period delay tablets like norethisterone are not available over the counter. They require a prescription from a doctor or a healthcare professional, which is obtained in person or through an online consultation.

Side Effects & Considerations

What are the risks of norethisterone?

Like all medications, norethisterone comes with potential side effects. These include bloating, stomach upsets, breast discomfort, and changes in libido, among others. In rare cases, it might cause more serious side effects such as jaundice, migraine headaches, or thrombosis. It's important to discuss these potential risks with a healthcare provider before beginning a course of norethisterone.

Norethisterone side effects

Common side effects of norethisterone include changes in menstrual bleeding patterns, headache, nausea, and breast tenderness. Some people experience mood changes, weight gain, or skin reactions. Rare but serious side effects include blood clots, disturbed liver function, and visual disturbances. If experiencing any severe or concerning side effects, seek medical attention immediately.

What should I do if I take more tablets than I should?

If one accidentally takes more norethisterone than recommended, contact a doctor or the nearest hospital casualty department immediately. While an overdose is unlikely to be harmful, it might cause nausea and withdrawal bleeding.

Who can take norethisterone?

Norethisterone is taken by most adult women, but it may not be suitable or safe for everyone. Women who are pregnant or suspect they might be pregnant, women with certain medical conditions such as liver disease, or those with a history of blood clots or breast cancer, must not take norethisterone. Always consult a healthcare professional before starting any new medication.

Buy Norethisterone 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 Norethisterone 200mg 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 Norethisterone online. Our pharmacists will then review your order of Norethisterone and dispatch it discreetly to your address.

How to buy Norethisterone online?

You can buy Norethisterone by following the following steps.

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

Can I get Norethisterone on the NHS?

Whether or not you can get Norethisterone tablets 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 Norethisterone from the NHS.

Can you get Norethisterone over the counter?

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

Can I buy Norethisterone 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 Norethisterone.

Is Norethisterone safe?

If you have been prescribed Norethisterone 200mg 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 Norethisterone 200mg then you should contact a doctor immediately.

Trimethoprim is commonly prescribed to treat urinary tract infections, a prevalent health issue affecting the urinary system. This medication is effective against a range of bacterial infections, notably those affecting the urinary and respiratory tracts. Trimethoprim works by targeting and inhibiting a substance called folic acid, which is crucial for the growth and reproduction of bacteria. By disrupting the production of folic acid, Trimethoprim hinders the development of bacteria, thereby helping to clear infections.

While it's primarily known for its effectiveness in treating urinary tract infections, it's also used for certain types of respiratory tract infections. However, like any medication, the safety of Trimethoprim for an individual depends on various factors including their overall health, other medications they may be taking, and their specific medical history. It's important to consult a healthcare professional to determine if Trimethoprim is a safe and appropriate treatment option.

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

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.

Typically, it is recommended to avoid alcohol while taking the medication or other antibiotics, please consult your doctor for more guidance.

Can I buy Norethisterone from Boots?

It is generally possible to purchase medication, including Norethisterone200mg, 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 Norethisterone from Superdrug?

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

Can I buy Norethisterone from Amazon?

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

How long does Norethisterone take to work?

The time it takes for a Norethisterone 200mg 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 Norethisterone 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 Norethisterone?

The effectiveness of Norethisterone 200mg 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 Norethisterone?

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 Norethisterone.
  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 Norethisterone in the UK?

Yes, you can buy Norethisterone 200mg tablets in the UK with a valid prescription and or consultation form. Norethisterone 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 Norethisterone?

You can buy Norethisterone 200mg tablets online from upon completion of a consultation form and a free review from a prescribing pharmacist.

Are Norethisterone users satisfied with the product?

We have a list of reviews from customers taking Norethisterone 200mg tablets at the bottom of this page. For more information of the reviews of Norethisterone head over to for further details.

Can I buy Norethisterone from an online pharmacy?

Yes, you can purchase Norethisterone 200mg tablets from an online pharmacy. However, this is dependent on your eligibility for the medication.

How much does Norethisterone cost?

The costs of Norethisterone 200mg tablets 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.

Additional Information on Trimethoprim 200mg

Trimethoprim 200mg, the usual dose, is a potent antibiotic primarily used to treat bacterial infections, particularly those related to urinary infections such as cystitis. This medication operates by inhibiting the bacterial production of a vital substance, folic acid, thereby preventing the growth and spread of the infection.

While it is highly effective in managing urinary tract infections, it's essential to be aware of certain precautions. Individuals with severe liver problems, or blood disorders, should consult their healthcare provider before using Trimethoprim, as it may not be the safest option for them. Additionally, it's a common misconception that cranberry juice can treat urine infections; however, while it may help alleviate cystitis symptoms by preventing bacteria from adhering to the bladder walls, it should not replace medical treatment with antibiotics like Trimethoprim.

As with any antibiotic, it's crucial to complete the full course as prescribed, even if symptoms improve, to effectively treat bacterial infections and prevent antibiotic resistance.

Can Norethisterone stop your period?

Yes, Norethisterone can stop your period if taken 3 days before the onset of menstruation. 

What does Norethisterone do to the uterus?

Norethisterone is a progesterone receptor agonist. This means that it binds to the progesterone receptors in the uterus and causes the same effects as progesterone. This results in a thickening of the uterine lining, which makes it less likely for implantation to occur. It can also make the uterine lining less receptive to implantation, and make the uterus hostile to a pregnancy. In some cases, it can also lead to the shedding of the uterine lining, which is known as withdrawal bleeding. 

Is this medication suitable for me?

Please get in touch with a doctor if you are unsure what medication is suitable for you. You can also complete our online consultation form to check your eligibility for the product.

How is the medication delivered?

All orders placed before 14:00 from Monday to Friday will be dispatched that day. The orders are sent using 24 Hour Tracked delivery provided by Royal Mail. Items will usually arrive the very next day after the ordear has been placed. We also provide tracking for your orders to check the status and location of your parcel. All our medication is packaged in plain confidential padded white or brown envelopes. This ensures that your orders are discreet, and the content of the orders will be for your eyes only.

How do you take Norethisterone tablets?

Norethisterone tablets are taken orally, with or without food. The usual dose is 5mg taken three times a day for up to 10 days. Treatment should start 3 days before the expected onset of menstruation. 

How long can I take Norethisterone for?

Norethisterone is used to treat a variety of different medical conditions and the length of the treatment can vary significantly. Please follow the directions given to you by your doctor. 

How do I order my medication?

Some products only require an online consultation which approximately takes 1 minute to complete, enabling you to then buy the product. Other products will also require a prescription; in this case, you will need to complete the online consultation, and then one of our partner pharmacy prescribers or doctors will review the online consultation questions and approve the order for delivery if you are eligible to purchase the item.

Can I cancel or return my order?

For non-medicinal products, you are eligible to return the product within 14 days of receipt in the same packaging you received. For medicinal products, you are eligible to cancel the order only until it has been dispatched. From that point forward, you are no longer eligible to return the order.

You have the right to cancel your order for medication up to the point when your medication is dispatched.