Famciclovir (Famvir) Side Effects

Like other antiviral drugs for herpes treatment, Famciclovir can also lead to several side effects. We have listed the commonly reported adverse reactions that people might experience once they start taking Famciclovir.

Side Effects of Famciclovir (Famvir)

List of adverse reactions demanding immediate medical aid:

These are side effects where urgent medical help is necessary. Consult with your doctor immediately and obtain medical therapy if you experience some of the following. Some of these side effects are severe, and they can cause serious health complications.

• Black stools
• Bleeding gums
• Skin blisters
• Blood in stools
• Fever or chills
• Coughing
• Dark-colored urine
• Dizziness
• Drowsiness
• Pain in the joints
• Lack of appetite
• Irritated eyes
• Sore throat
• Unexplained bleeding
• Jaundice (yellowing of the eyes and skin)

List of adverse reactions that DO NOT require immediate medical aid:

• Muscle cramps
• Mild diarrhea
• Mild headache
• Nausea
• Stomach pain
• Bloating
• Excess gas
• Hives
• Skin itchiness
• Mood changes
• Skin rashes
• Skin redness
• Nervousness
• Unexplained weakness
• Vomiting
• Drowsiness
• Sleeping problems

If you experience only the most common adverse reactions, there is no need to consult your doctor as they can be easily addressed with home remedies. However, if these reactions persist for a longer time, report your condition to the doctor immediately.