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Manufacturer : Generic | Active substance : Famciclovir | Prescription : Not Required

Famvir is an antiviral medicine that treats infections caused by some types of viruses.Famvir 250mg also treats shingles caused by herpes zoster and outbreaks of herpes simplex that further cause cold sores and genital herpes.

Famvir 500mg

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Famvir 250mg

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Method of Usage



What is Famvir?


Famvir is an antiviral medicine that treats infections caused by some types of viruses.


Famvir 250mg also treats shingles caused by herpes zoster and outbreaks of herpes simplex that further cause cold sores and genital herpes.


Order Famvir 500mg drug decreases the number of future episodes in people suffering from regular outbreaks of genital herpes.


Being an antiviral medicine, Famvir is not going to cure all these infections.


The viruses are responsible for causing these infections to live in your body even between the outbreaks.


Intake of the pill as directed by the doctor can help you to decrease the seriousness and length of these outbreaks.


It aids the sores to heal fast, keeps new sores from forming as well as reduces pain/itching effectively.


Famvir helps to decrease how long pain remains after the sore is healed properly.


In people with a weak immune system, this antiviral drug decreases the risk of spreading the virus to different body parts.

You can buy famvir 500mg pill from an online pharmacy after the prescription from the doctor.


However, before you decide to buy Famvir 250mg, it is necessary to consult the doctor once.


Nowadays, you can also order famvir 500mg without prescription right from an online pharmacy at a reasonable cost.


 How does Famvir work?


Famvir is an antiviral medicine that works by averting the multiplication of viruses in human cells.


As a result, the infection is cleared because the viruses are not able to produce new viruses.


How to use Famvir?


Before starting your treatment with Famvir, you must read the patient information leaflet carefully.


In case, you have any questions or doubts about the medication then discuss them with the doctor or pharmacist.


Take the tablet by mouth with or without the food mainly 2-3 times a day or as prescribed by the doctor.


The dosage of this antiviral medicine is based on your medical condition as well as your response to the treatment.


This medicine will work best when it is started right from the first sign of an outbreak or as prescribed.


Keep one thing in your mind, the pill might not work effectively if the treatment is delayed.


Famvir is going to work at its best when the amount of medicine is kept at a constant level in your body.


It is important to always take the medication at evenly spaced intervals to attain its maximum benefits.


In order to help you remember to take it, you must always take the pill at the same time every day.


Unless the full prescribed amount is finished, you must continue taking the pill without missing any dose.


Do not change your dose, skip any doses or stop the medicine early without the approval of your doctor.


In case, your condition does not improve or becomes worse then immediately contact the doctor.

Take the pill immediately, if you miss a dose.


However, you must continue the regular dose, if it’s time for the next dose.


Remember two doses should not be taken at the same time because it will cause side effects.


In case of overdose, stop taking the pill and contact the doctor promptly.


Famvir precautions and warnings


Even if the symptoms of infection are cleared completely, continue taking the medicine for the full prescribed time.


Before taking famciclovir, inform the doctor if you are allergic to it or suffer from any other allergies.


This medicine might contain some inactive ingredients that can cause allergic reactions or other problems.


It is always better to talk to your doctor about the medication in detail beforehand.


Before starting the treatment, inform the doctor about your medical history, especially of:


  • Kidney problems
  • Liver disorder
  • A weak immune system
  • Severe lactase deficiency
  • Galactose intolerance
  • Glucose-galactose malabsorption


This medication might also make you drowsy or dizzy. Avoid the consumption of alcohol as it can make you more dizzy.


Avoid driving or operating any machine that demands attention unless you can do it safely.


You need to limit the consumption of alcoholic beverages to avoid any problems during the treatment with Famvir.


In case, you are pregnant or plan to become pregnant then inform the doctor once.


If you have genital lesions when the baby is born then herpes might be passed to the baby during childbirth.


When you have genital herpes, you must prevent herpes lesions at the time of pregnancy.


Discuss with your doctor well in advance the best ways to control infection.


When using this pill, it is not safe to breastfeed. Discuss with the doctor all risks and benefits.

This antiviral drug is not approved for anyone who is less than 18 years old.


Remember the medication is not going to protect against the spread of genital herpes.


To lower the risk of giving herpes to your partner, you must avoid sexual intercourse at the time of an outbreak. 


Even if you do not have symptoms, genital herpes can be spread. So, use an effective barrier method always.


Also, pay attention to the drug interaction because it can change the working mechanism of Famvir.


Inform the doctor well in advance about all other medicines you use like herbal supplements, prescription & non-prescription pills.


Famvir side effects


Several people do not suffer from any serious side effects during the treatment with this antiviral drug.


If you suffer from a sign of allergic reaction like hives, flushing, etc. then inform the doctor immediately.


Some of the common side effects of Famvir tablet include:


  • Headache
  • Nausea
  • Confusion
  • Signs of kidney problem
  • Diarrhea

Get emergency medical help, if any of these side effects persist or become worse.

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