Famvir (Famciclovir)

Famciclovir General Information

Famvir (Famciclovir) is indicated for the treatment of infections caused by viruses. It gives medication to shingles that are caused by herpes zoster. It also gives medication to outbreaks of herpes simplex. That it may cause cold sores around the mouth, genital herpes, or sores all over the anus. This medication may use to help lessen the number of future episodes. It is for those with frequent outbreaks of genital herpes.

The viruses that cause infections continue to live in the body even between outbreaks. This drug decreases the severity and length of these outbreaks. It helps to heal the sores faster, lessens itching, and keeps new sores from forming. 

How does Famvir (Famciclovir) work?

Famciclovir imitates one of the building blocks of DNA. It stops the spread of the herpes virus in the body. It is by preventing the replication of viral DNA that is needed for viruses to grow. 

Why use Famvir (Famciclovir)?

Famvir (Famciclovir) belongs to the class of drugs called nucleoside analogs. It comes as a tablet for oral use. It is available in the strengths of 125 mg, 250 mg, and 500 mg.

This drug may also help to lessen how long the pain will remain after the healing of sores. Furthermore, this drug can also decrease the risk of the virus spreading to other parts of the body. It is in people with a weakened immune system and may cause a serious infection. This was approved by the Food and Drug Administration (FDA). 

How to use Famvir (Famciclovir)?

This prescription is to be taken by mouth with a full glass of water. You may take it with or without food, usually 2-3 times a day. This drug works best when started at the first sign of an outbreak. The dosage is based on your condition and response. Take it exactly as it is prescribed.

What are the side-effects of Famvir (Famciclovir)?

  • Nausea
  • Headache
  • Gas stomach pain
  • Tired feeling
  • Diarrhea
  • Sleepiness
  • Dizziness
  • Numbness or tingly feeling
  • Itching or skin rash

If these side effects continue or get worse, call your doctor right away. 

Warnings and Precautions

  • Tell your doctor if you are allergic to this medication before using it.
  • This may not be recommended for pregnant women or breastfeeding. Talk to your doctor first.
  • Do not take twice the prescribed dosage. If you missed a dose, call your doctor for instruction.
  • Remember to keep this and all other medicines away from the reach of children.