Famciclovir

What condition does Famciclovir treat?

Famciclovir is used for the treatment of infections caused by viruses. It treats shingles that are caused by herpes zoster and outbreaks of herpes simplex. This infection may cause cold sores around the mouth or sores all over the anus. This medication may use to help lessen the number of future episodes. Famciclovir is usually recommended in people with frequent outbreaks of genital herpes.

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

Famciclovir belongs to the class of drugs called nucleoside analogs. It comes as a tablet for oral use. This prescription 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 in people with a weakened immune system and may cause a serious infection. This was approved by the Food and Drug Administration (FDA).

How does 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 stopping the reproduction of viral DNA that is needed for viruses to grow.

What is the recommended dosage for 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.

This works best when the amount of medicine in your body is kept at a constant level. For that reason, take this medication at evenly spaced intervals. To help you remember, take it at the same time each day.

What are the side effects of 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.

What are the precautions in taking Famciclovir?

  • 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.
  • Continue to take this medicine until the full prescribed amount is finished. Do not change your dosage, skip any dosages, or stop this treatment early without the approval of your doctor.
  • This medication may have lactose. If you have certain conditions such as severe lactase deficiency, galactose intolerance, or glucose-galactose malabsorption that need you to limit your intake of lactose, consult your doctor before taking this medication.