Acyclovir Tablet Dosage Guide in Pakistan

Taking the correct dose of Acyclovir is essential for treatment success. The dose varies by indication (herpes vs shingles vs suppression). This guide provides information on adult dose and missed dose instructions.

Compiled by the PakVita Editorial Team · AI-assisted drafting with editorial review · Sourced from DRAP, WHO, BNF · Last updated: 2026-06-17

Dosage Guide

Quick Answer

The dose of Acyclovir varies by indication. For herpes simplex treatment, doses are typically taken multiple times daily; for shingles, a higher dose is taken 5 times daily for 7 days. Always take as prescribed by your doctor — adequate fluid intake is essential with every dose to protect kidneys.

Dose at a Glance

Adult Dose

As prescribed — varies by indication

Multiple times daily (typically 5 times per day for treatment, less frequent for suppression)

Max: Do not exceed the recommended limit — renal function should be monitored

Child Dose (As per doctor's advice)

Weight-based dose — consult your doctor

As directed by your doctor

Missed Dose

If you miss a dose, take it as soon as you remember. If the next dose is close, skip the missed dose. Never take a double dose. Acyclovir requires multiple doses per day — set a reminder to help you stay on schedule.

Overdose

In case of overdose, contact a doctor or emergency room immediately. Acyclovir overdose can cause kidney damage and neurological effects.

Acyclovir Tablet Dosage (Kitni leni hai)

Acyclovir Tablet dose varies by indication. Always follow your doctor's prescription.

Adult Dose (Baalgon ke liye)

Dose varies by indication — as prescribed by your doctor
Typically multiple times per day (5 times daily for treatment)
Do not exceed the recommended limit — renal function should be monitored
If you miss a dose, take it as soon as you remember. If the next dose is close, skip the missed dose. Never take a double dose.

Starting Dose: As prescribed — confirm with your doctor

Usual Dose: As prescribed — indication-specific

Max Daily Dose: Do not exceed the recommended limit — kidney damage can occur

Child Dose (Bachon ke liye)

Weight-based dose — consult your doctor

A child's dose is always decided by the doctor based on weight and age. Do not calculate the dose yourself.

How to Take (Kaise leni hai)

Multiple times daily as prescribed (evenly spaced)
Drink plenty of water with every dose — to protect the kidneys
Can be taken with or without food
Complete the full course — do not stop when symptoms improve

Hydration Note (Pani ka khayal rakhein)

Acyclovir is eliminated through the kidneys. Insufficient fluid intake can cause crystals to form (crystalluria), which can damage the kidneys. Drinking plenty of water daily — especially at high doses — is essential with this medicine.

Best Time to Take (Kab leni chahiye)

Doses evenly spaced — keep timings fixed throughout the day
Shingles: start within 72 hours of rash onset

Missed Dose (Dose chhoot jaye to kya karein)

If you miss a dose, take it as soon as you remember. If the next dose is close, skip the missed dose. Never take a double dose.

Overdose (Zyada Dose)

Excessive dose — especially IV or high oral doses — can cause kidney damage and neurological problems (confusion, tremor). Contact your doctor or emergency room immediately.

Dose Summary Table

Patient	Dose	Notes
Adult (treatment)	As prescribed — typically 5x daily	Indication-specific
Adult (suppression)	As prescribed — less frequent	Long-term — under doctor supervision
Child	Weight-based dose — consult doctor	Age/weight specific

The information in this guide is for educational purposes only. Always confirm the dose with your doctor or pharmacist.

Frequently Asked Questions

Acyclovir ki standard adult dose kya hai?

The dose depends on the indication. Herpes simplex treatment is typically 5 times daily; for shingles, a higher dose is taken 5 times daily for 7 days. Suppressive therapy requires less frequent dosing. Always follow your doctor's prescription.

Agar Acyclovir ki dose miss ho jaye to kya karein?

Take it as soon as you remember, but if the next dose is close, skip it and continue your schedule. Never take a double dose. Acyclovir is taken multiple times daily — a timer or reminder is helpful.

Kya Acyclovir khali pait le sakte hain?

Yes, Acyclovir can be taken on an empty stomach or with food — there is no significant food interaction. However, drinking plenty of water with every dose is essential.

Zyada dose lene se kya hoga?

Overdose can cause kidney damage and neurological symptoms (confusion). If an overdose occurs, see a doctor immediately or go to an emergency room.

Kitne din tak Acyclovir lena chahiye?

Duration depends on the indication — herpes treatment is typically 5–10 days, shingles 7 days. Suppressive therapy can continue for months. Complete the prescribed course — do not stop on your own.

Brand alternatives, same-class options, and other medicines used for the same conditions as Acyclovir Tablet (Zovirax).

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Sources

DRAP Registered Products Database — Drug Regulatory Authority of Pakistan
WHO Model List of Essential Medicines, 23rd ed. (2023) — World Health Organization
British National Formulary (BNF) — BMJ Group & Pharmaceutical Press

Medical disclaimer

This page is for educational use only and does not replace professional medical advice. Always confirm diagnosis, dose, and interactions with a qualified doctor or pharmacist before starting or changing any medicine.