Famciclovir FAQ
What is famciclovir used for?
Famciclovir treats herpes simplex virus (HSV) infections like genital herpes and cold sores by reducing symptoms and viral shedding.
How does famciclovir work?
It inhibits viral DNA synthesis by selectively targeting HSV-1 and HSV-2, preventing viral replication.
What are common side effects of famciclovir?
Headache, nausea, and fatigue are common; serious reactions are rare but may include allergic responses.
How should famciclovir be taken?
Orally, with or without food, as prescribed—typically 1-2 times daily depending on the infection type.
Is famciclovir suitable for children?
It may be prescribed for pediatric HSV infections, but dosing requires adjustment based on age and weight.
Can famciclovir prevent herpes transmission?
It reduces viral shedding and transmission risk when used as part of a suppressive therapy regimen.
What if a dose is missed?
Take the missed dose as soon as remembered, unless it's nearly time for the next dose—do not double up.
How long until symptoms improve?
Symptoms may start to improve within 2-3 days of treatment initiation, but full course completion is crucial.
Can famciclovir be used during pregnancy?
Consult a doctor; it may be used if benefits outweigh risks, particularly for severe HSV infections.
Does famciclovir cure herpes?
No, it manages symptoms and reduces outbreaks but does not cure the herpes virus.
What medications interact with famciclovir?
Inform your doctor about all medications, especially immunosuppressants and other antivirals.
How is famciclovir different from acyclovir?
Famciclovir has a longer half-life, allowing less frequent dosing compared to acyclovir.
Can I take famciclovir for shingles?
Yes, it's effective for herpes zoster (shingles), reducing pain and rash duration if started early.
Is a prescription required for famciclovir in Malaysia?
Yes, a valid prescription from a licensed healthcare provider is necessary.
How should famciclovir be stored?
Store at room temperature, away from moisture and direct sunlight.
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