See the DrugPatentWatch profile for famciclovir

Famciclovir is an antiviral medication commonly used to treat viral infections such as herpes zoster (shingles), genital herpes, and cold sores. While it is generally well-tolerated, like any medication, famciclovir may have some side effects.

According to the sources provided, here are some common side effects associated with famciclovir:

1. Headache: Headaches are a commonly reported side effect of famciclovir [2].

2. Nausea and vomiting: Some individuals may experience nausea and vomiting while taking famciclovir [2].

3. Diarrhea: Diarrhea has been reported as a side effect of famciclovir use [2].

4. Fatigue: Famciclovir may cause fatigue or tiredness in some people [2].

5. Dizziness: Dizziness is another potential side effect of famciclovir [2].

6. Rash: Skin rash has been reported in some individuals taking famciclovir [2].

7. Abdominal pain: Abdominal pain or discomfort may occur as a side effect of famciclovir [2].

It is important to note that not everyone will experience these side effects, and they may vary in severity. If any of these side effects persist or worsen, it is recommended to consult a healthcare professional.

Additionally, it is worth mentioning that famciclovir may cause some less common side effects such as confusion, hallucinations, and changes in mood or behavior. These side effects should be reported to a healthcare provider immediately [2].

It is crucial to follow the prescribed dosage and instructions provided by your healthcare professional. If you have any concerns or questions about famciclovir or its potential side effects, it is always advisable to consult a healthcare professional.

Sources:
[1] DrugPatentWatch. (n.d.). Famciclovir. Retrieved from https://www.drugpatentwatch.com/p/tradename/FAMCICLOVIR
[2] Mayo Clinic. (2021). Famciclovir (Oral Route) - Side Effects. Retrieved from https://www.mayoclinic.org/drugs-supplements/famciclovir-oral-route/side-effects/drg-20063776?p=1
[3] National Center for Biotechnology Information. (2020). StatPearls: Famciclovir. Retrieved from https://www.ncbi.nlm.nih.gov/books/NBK557563/