Acyclovir Pediatic Dosing
Herpes Zoster (shingles) ACYCLOVIR pediatric dosing:
<12 years old 30mg/kg/day divided Q8hours x 7 to 10 days (use table below)
| Weight of Patient: | Dose: (acyclovir suspension 200mg/5ml) |
|---|---|
| 10kg (22lbs) | 2.5mL PO Q8hours |
| 20kg (44lbs) | 5mL PO Q8hours |
| 30kg (66lbs) | 7.5mL PO Q8hours |
| 40kg (88lbs) | 10mL PO Q8hours |
*if in between weights listed, then round up
>12 years old Acyclovir 800mg PO 5X/day x 7 days (NOTE: easier to instead prescribe Valtrex 1g PO TID x 7days)
Varicella (chicken pox) ACYCLOVIR pediatric dosing:
adults or children >40kg = 800mg PO 4X/day x 5 days
<40kg = 80mg/kg/day divided Q6hours X 5 days (use table below)
| Weight of Patient: | Dose: (acyclovir suspension 200mg/5ml) |
|---|---|
| 10kg (22lbs) | 5mL PO Q 6hours |
| 20kg (44lbs) | 10mL PO Q6hours |
| 30kg (66lbs) | 15mL PO Q6hours |
Disclaimer: All of the information on this website is being presented as helpful reference material but should not be considered authoritative. There are no references because the information has been collected over the years piecemeal from notes, lectures, journals, textbooks, personal communications with other physicians and experience. You may disagree with some of it. Take it simply for what it is: information that I have found useful in my day to day practice as a clinical dermatologist and my hope is that you find it useful as well.
