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Get a Famciclovir Refill Online

Famciclovir is an antiviral medication that treats infections caused by Herpes viruses, such as shingles, cold sores, and genital herpes. Obtaining a Famciclovir prescription online is simple; visit Your Doctors Online and connect with a doctor anytime, anywhere. However, a Famciclovir refill will only be provided after a consultation with our doctor and if the medication is appropriate and safe.

What is Famciclovir?

Famciclovir is an antiviral drug that comes as an oral tablet under the brand name Famvir. Other antiviral medications in the same class include Acyclovir, Penciclovir, and Valacyclovir. Famciclovir is available in different dosage strengths of  125 mg, 500 mg, and 250 mg.

Uses of Famciclovir

Famciclovir is an antiviral medication typically prescribed for herpes virus infections. It is commonly used to treat recurrent cases of cold sores (herpes labialis) and genital herpes. Herpes zoster, also known as shingles, is caused by the varicella-zoster virus and can be treated with Famciclovir.

How does it work?

Famciclovir works by ceasing the spread of the virus in the body. It does not make the Herpes virus less contagious for other people, but it does reduce symptoms of the disease. The symptoms may include pain, tingling, numbing, burning, itching, and tenderness.

How to take Famciclovir?

Famciclovir is taken as an oral tablet with or without food. It is recommended to take Famciclovir within 48 hours after the symptoms of shingles or herpes appear. You should take it for the complete recommended duration to ensure that the virus has completely cleared from your body.

Side effects of Famciclovir

Side effects of Famciclovir may include: 

  • Nausea
  • Diarrhea
  • Headache
  • Dizziness
  • Gas
  • Vomiting
  • Rash
  • Confusion
  • Itching
  • Seizures
  • Hallucinations

Serious side effects of Famciclovir include: 

  • Severe headache
  • Slurred speech
  • Trouble walking
  • Feeling unsteady
  • High fever
  • Easy bruising or bleeding
  • Yellowing eyes or skin
  • Unusual bleeding or bruising

How to get prescription online?

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  • Genital Herpes
  • Anemia
  • STD
  • UTI
  • Skin
  • Covid


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Hi I’m dr. Nicole. How may I help you?

Dr. Nicole, I have been taking Famciclovir for genital herpes. I have run out of my medication supply. Can you give me a Famciclovir refill?


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  • Famciclovir 350 mg tablet
  • Take one tablet twice daily.

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Precautions and contraindications

  • Interactions have been reported between Famciclovir and drugs like Probenecid and Tenofovir DF. Before beginning Famciclovir, tell your doctor about all the other medications you are taking.
  • Famciclovir’s potential side effects may be more severe in the elderly, and a dose adjustment based on renal function may be necessary.
  • People with compromised immune systems may not respond as well to Famciclovir treatment. You should talk to your doctor about the risks and benefits involved.
  • Famciclovir’s safety during pregnancy and breastfeeding is unclear. Use during pregnancy is generally avoided unless the benefits outweigh the risks, but these should be carefully considered before deciding.
  • People with a history of hypersensitivity to Famciclovir or any of its ingredients should not use Famciclovir.
  • Due to the potential for increased renal toxicity, caution is advised when Famciclovir is used concurrently with nephrotoxic drugs.
  • Famciclovir is contraindicated in patients with severely impaired renal function unless the benefits of treatment outweigh the risks.

FAQs About Acyclovir

Can I get Famciclovir over the counter?

Famciclovir is a prescription medication that is not available for use over the counter. You can download Your Doctors Online app, describe your issue, and get a Famciclovir refill.

What is a substitute for Famvir?

Your healthcare provider can recommend an alternative to Famvir based on your medical history. Valacyclovir is one alternative to Famvir. Your doctor may recommend an alternative in case you are allergic to Famvir, or there is any other reason why you can not take it.

How long can you take Famvir?

Famvir is taken twice daily for a year to prevent the reoccurrence of genital herpes. In other cases, the duration of treatment may also vary depending on your condition and health status.

How can I refill my Famvir prescription?

You can download the Your Doctors Online app, describe your issue, and get a Famvir prescription refill online anytime. Discuss your issue, along with all the current medications that you are taking, and get a prescription.

Who should not take Famvir?

Individuals with certain allergies or other medical conditions (galactose intolerance, severe lactase deficiency (not lactose or milk intolerance), or glucose-galactose malabsorption that require you to restrict your intake of lactose) may not be recommended Famvir. You can get personalized advice about whether or not you can take Famvir. It is also not recommended for use in children under 18 years of age.

How often can you take Famvir for cold sores?

Famvir is recommended for cold sores in a dosage strength of 1500 mg. The treatment should be initiated as soon as the first sign of cold sores is noticed, and it should go as long as your doctor prescribes based on your individual condition.

Can you take too much Famvir?

It is not recommended to overdose on Famvir. If you overdose on Famvir or you take more than the prescribed dose this may affect your kidneys, In individuals with pre-existing kidney issues, it might, on rare occasions, result in kidney failure if their dosage is not appropriately reduced. Discuss with your doctor immediately if you have accidentally overdosed on Famvir.

What happens if I miss a dose of Famvir?

If you have missed a dose of Famvir, do not overdose on the medication if it is about time to take your next dose. Take your dose immediately as soon as you remember in case your next dose is far on the schedule.

What is the typical starting dose of Famciclovir?

The starting dose varies depending on your condition. For shingles, the starting dose is 500mg; for cold sores, it is 1500 mg; and for genital herpes, it is 350 mg. Your doctor will decide on your individual dosing plan to follow exactly as prescribed.

Your Doctors Online uses high-quality and trustworthy sources to ensure content accuracy and reliability. We rely on peer-reviewed studies, academic research institutions and medical associations to provide up-to-date and evidence-based information to the users.

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