Acyclovir
Acyclovir works by slowing the growth and spread of the herpes virus so the body can fight off the infection. It does not cure herpes but lessens the symptoms.
Dosage by Body Weight
Pediatric dosing for chickenpox is typically 20 mg/kg (max 800 mg) per dose, four times daily for 5 days. Must be started within 24 hours of rash onset for best effect.
- Body Weight
- 10-20 kg
- Dose
- 200 mg to 400 mg
- Frequency
- Four times daily
- Tracking Notes
- Ensure adequate hydration to protect the kidneys.
- Body Weight
- 21-40 kg
- Dose
- 400 mg to 800 mg
- Frequency
- Four times daily
- Tracking Notes
- Continue the full course even if symptoms improve.
| Body Weight | Dose | Frequency | Tracking Notes |
|---|---|---|---|
| 10-20 kg | 200 mg to 400 mg | Four times daily | Ensure adequate hydration to protect the kidneys. |
| 21-40 kg | 400 mg to 800 mg | Four times daily | Continue the full course even if symptoms improve. |
Formulation
TabletSuspensionOintmentInjection
Purpose
Antiviral medication used to treat infections caused by herpes viruses, including chickenpox, shingles, and cold sores.
Generic Name
Acyclovir
Branded Drug Names
Acyclovir is listed as a generic drug name. Common branded medicines that may contain the same active ingredient include:
- Zovirax
- Acivir
- Herperax
Scheduled Drug
Yes. This medicine should be supplied or used only according to applicable prescription and regulatory requirements.
Alternatives
ValacyclovirFamciclovir