Valacyclovir is an antiviral medication used to treat herpes simplex virus (HSV) infections, including genital herpes, cold sores, and herpes zoster (shingles). It works by inhibiting viral DNA replication, reducing symptom severity and outbreak frequency.

Valtrex

Antivirals

500|1000mg

Valacyclovir Hydrochloride FAQ


What is Valacyclovir used for?

Valacyclovir treats herpes simplex (HSV-1, HSV-2), shingles, and chickenpox by reducing viral replication.

How does Valacyclovir work?

It inhibits the herpes virus's ability to replicate DNA, slowing outbreak progression.

Is Valacyclovir available over-the-counter in Malaysia?

No, it requires a prescription from a licensed healthcare provider.

What are common side effects of Valacyclovir?

Headache, nausea, and dizziness; severe reactions are rare but should be reported.

Can Valacyclovir cure herpes?

No, it manages symptoms and reduces transmission risk but doesn't eliminate the virus.

How should Valacyclovir be taken?

Orally with water, preferably with meals to enhance absorption.

What is the typical dosage for genital herpes?

500mg twice daily for 10 days for initial outbreaks; may vary by case.

Can I take Valacyclovir daily for suppression?

Yes, as prescribed, to reduce recurrent outbreaks and transmission risk.

Does Valacyclovir interact with other medications?

Potential interactions with nephrotoxic drugs; disclose all medications to your doctor.

Is Valacyclovir safe during pregnancy?

Generally considered safe but consult your obstetrician for personalized advice.

How long does Valacyclovir stay in the system?

Elimination half-life is about 3 hours; varies by individual factors.

Can Valacyclovir treat cold sores?

Yes, it's effective for HSV-1 related cold sores, especially when taken early.

What if I miss a dose of Valacyclovir?

Take it as soon as remembered; if near the next dose, skip the missed one.

Does Valacyclovir require laboratory monitoring?

Typically not, unless pre-existing kidney issues are present.

Can I drink alcohol while taking Valacyclovir?

Moderation is advised; excessive alcohol may exacerbate side effects.

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