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Famciclovir is an oral medication used to treat viral infections such as shingles, chicken pox and herpes.


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Jordan Christchurch reviewed welzo.com
"Fast, easy to use and very responsive customer service. Prices are also very competitive."
RJ Layton reviewed welzo.com
"5 Start service is so much easier than going to my local pharmacy, especially when feeling under the weather."
Bianca Carthright reviewed welzo.com
"No fuss, and fast delivery. Welzo dispatched my order the same day and it arrived in the morning."
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What is Famciclovir?

Famciclovir can be used to treat two types of viral infections in adults. It can treat shingles (herpes zoster) and genital herpes. 

How does it work?

This medication works by stopping the virus from spreading in the body, which then allows for a faster healing process. 

Is Famciclovir suitable for me?

Famciclovir is recommended for adults only. Some people may not be able to take this medicine due to pre-existing medical conditions or ongoing medication. Ask your doctor if Famciclovir is right for you.

Side Effects

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

  • Headache
  • Feeling sick
  • Stomach pain
  • Diarrhoea
  • Dizziness
  • Rash
  • Itching
  • Liver function test giving abnormal results

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.


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!


Commonly Used Dosage Guidelines for Famciclovir.

For shingles:

  • One tablet of 500mg three times a day for seven days

For genital herpes:

  • For the first outbreak, take one tablet of 250mg three times a day for five days.
  • For further outbreaks, take one tablet of 125mg twice a day for five days
  • To prevent further outbreaks, take one tablet of 250mg twice a day

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.

Additional Information

Famciclovir is a prodrug of penciclovir, which is converted to penciclovir in the body. Famciclovir is used to treat herpes zoster (shingles) and varicella zoster (chickenpox). It is also used to treat recurrent episodes of genital herpes and recurrent episodes of orolabial herpes. Famciclovir is not a cure for these infections. Treatment with famciclovir should be started as soon as possible after the start of symptoms such as tingling, burning, blisters. Famciclovir is available as a generic drug and as the brand-name drugs Famvir and Famciclovir Teva.

Famciclovir Side Effects

Common side effects of famciclovir include:






Famciclovir may interact with other medications. Tell your doctor all medications you take. During pregnancy, Famciclovir should be used only when prescribed. This medication passes into breast milk. Consult your doctor before breastfeeding. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. 

How should I take famciclovir?

Take exactly as prescribed by your doctor. Do not take in larger or smaller amounts or for longer than recommended. Follow the directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Famciclovir is usually taken every 8 hours for 7 days. Take the medicine at the same time each day. While using famciclovir, you may need frequent blood tests and vision exams. Store at room temperature away from moisture and heat. Keep the bottle tightly closed when not in use.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention immediately. Overdose symptoms may include agitation, seizure (convulsions), fast or pounding heartbeats, sweating, or high fever.

Remember to always consult your physician or health care provider before starting, stopping, or altering a treatment or health care regimen. 

The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist.

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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.

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

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We will dispatch your order using our express next-day courier service from our pharmacy partners across the UK. You will receive your treatment discreetly to the comfort of your home/ selected address. 

What are the different doses of Famciclovir used for?

The different doses of Famciclovir are used to treat different conditions. The most common dose is 250 mg, which is used to treat herpes zoster, or shingles. This dose is also used to treat herpes simplex virus-1 (HSV-1) and HSV-2.

Can Famciclovir treat Covid?

Famciclovir can also be used to treat genital herpes. This is a sexually transmitted infection that causes sores on the genitals. Famciclovir can help to reduce the symptoms of this condition.

There is no evidence to suggest that Famciclovir can treat Covid-19. However, it is important to note that this virus is still relatively new and that more research is needed to determine whether or not Famciclovir could be effective against it.

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 order 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.

Can I use Famciclovir for shingles?

Famciclovir is commonly used to treat shingles, or herpes zoster. This is a viral infection that causes a rash of blisters on the skin. Famciclovir can help to reduce the pain and discomfort associated with this condition.

What is the difference between Famciclovir and Acyclovir?

Acyclovir and Famciclovir are both antiviral medications. They are both used to treat viral infections. However, there are some differences between the two drugs. Famciclovir is more effective against HSV-2 than Acyclovir. however, Acyclovir is more commonly used to treat HSV-1. Famciclovir is also more effective against shingles than Acyclovir.

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.

Why Welzo
Discreet next day shipping
Discreet next day shipping

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Trusted UK Pharmacy

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