Famvir, also known as famciclovir, is a medication that is used to treat certain viral infections caused by the herpes virus, including genital herpes, herpes zoster (shingles), and cold sores. It works by preventing the herpes virus from growing and spreading in the body. Famvir is available in tablet form and is taken orally. It is important to follow the prescribed dosage and instructions provided by a healthcare professional.

Price of Famvir

The cost of the Famvir varies from £3.88 to £4.85 per pills. It depends on the size of the pack and the amount of active ingredient (10 or 60 mg).

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Famvir, also known by its generic name famciclovir, is a prescription medication that belongs to the antiviral drug class. It is primarily used in the treatment of various viral infections caused by herpes viruses, including genital herpes, cold sores, and shingles (herpes zoster). Famvir works by inhibiting the replication of the virus, thereby reducing the severity and duration of the outbreaks. It is available in the form of oral tablets, each containing either 125 mg, 250 mg, or 500 mg of famciclovir.

When Not to Take Famvir

Famvir should not be taken if you have a known hypersensitivity or allergy to famciclovir or any of the other ingredients in the medication. It is important to inform your healthcare provider about any allergies you may have before starting this treatment. Additionally, famciclovir should be used with caution in patients with impaired kidney function, as dosage adjustments may be necessary.

What to Expect When Taking Famvir

Like any medication, Famvir may cause certain side effects. Common side effects include headache, nausea, diarrhea, and dizziness. These side effects are usually mild and transient, resolving on their own without requiring any specific treatment. However, if these side effects persist or worsen, it is advisable to consult your healthcare provider for further guidance. In rare cases, more serious side effects such as allergic reactions, liver problems, and changes in blood cell counts may occur. If you experience any severe or unusual symptoms while taking Famvir, seek immediate medical attention.

Usage Instructions

The dosing instructions for Famvir are determined by your healthcare provider and are based on the specific viral infection being treated, as well as individual factors such as age and overall health. It is important to take the medication exactly as prescribed, typically every 8 or 12 hours. Famvir can be taken with or without food. If you miss a dose, take it as soon as you remember. However, if it is close to the time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not double the dose to make up for a missed one. In case of an overdose, seek immediate medical attention or contact a poison control center for further assistance.

Interactions Guide

Before starting treatment with Famvir, it is important to inform your healthcare provider about all the medications you are currently taking, including prescription drugs, over-the-counter medications, and herbal supplements. Certain medications may interact with Famvir, altering its effectiveness or causing potential side effects. Of particular concern are medications that affect kidney function, such as probenecid and nephrotoxic drugs. Famvir may also interact with other antiviral medications, so it is essential to disclose all antiviral treatments you may be receiving.

Questions Answered

  • Can Famvir cure herpes? No, Famvir cannot cure herpes. However, it can help reduce the severity and duration of outbreaks, as well as alleviate symptoms.
  • Is Famvir safe to take during pregnancy? The safety of Famvir during pregnancy has not been established, and its use is generally not recommended unless the potential benefits outweigh the potential risks.
  • Can I drink alcohol while taking Famvir? Alcohol consumption does not directly affect the effectiveness of Famvir. However, excessive alcohol consumption may impair the immune system, potentially worsening the symptoms of herpes infections.
  • Can I drive or operate machinery while taking Famvir? Famvir may cause dizziness as a side effect. If you experience dizziness, it is advisable to avoid driving or operating machinery until you know how the medication affects you.
  • Are there any dietary restrictions while taking Famvir? Famvir does not require specific dietary restrictions. However, maintaining a healthy and balanced diet is always beneficial for overall health and well-being.


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