Question 1

How long does Valacyclovir take to work?

Accepted Answer

Valacyclovir begins working soon after the first dose, with peak blood levels reached within 1–3 hours. For best results, treatment should be started as early as possible, ideally within 24–48 hours of symptom onset.

Question 2

What to avoid while taking Valacyclovir?

Accepted Answer

While taking Valacyclovir, you should avoid the following: Dehydration (drink plenty of fluids) Other kidney-toxic medicines, unless approved by a doctor Exceeding the prescribed dose Stopping treatment early without medical advice

Question 3

How long does Valacyclovir stay in your system?

Accepted Answer

Valacyclovir (Valtrex) is rapidly converted to acyclovir. In people with normal kidney function, it is mostly cleared from the body within 24–48 hours after the last dose.

Question 4

Can children take Valacyclovir?

Accepted Answer

Yes. Valacyclovir is FDA-approved for certain pediatric uses, including: Cold sores (≥12 years) Chickenpox (≥2 years) Dose depends on age, weight, and condition, and must be prescribed by a doctor.

Question 5

What happens when I stop taking Valacyclovir?

Accepted Answer

When you stop taking Valacyclovir, the medication leaves your body within a few days. It does not cure viral infections, so symptoms may return or outbreaks may recur over time. Do not stop treatment early unless advised by your doctor, as this may reduce effectiveness.

Valacyclovir

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