SKIN - Herpes Zoster, Varicella (Shingles) (Varicella zoster) Note: If patient >50 years may benefit from prednisone for pain control.
Acyclovir (Zovirax^®) Pregnancy: C; Lactation: Safe Caps: 200 mg Tabs: 400 mg, 800 mg   Oral Susp: 200 mg/5 mL	Children 2-16 years: 80 mg/kg/day (max 4 g/day) PO in divided doses four or five times daily for 7-10 days. Adults: 800 mg PO five times daily for 7-10 days.	Food: May be taken without regard to food. Encourage fluids. Important side effects: Headache, dizziness, nausea, seizures, bone-marrow suppression, nephrotoxicity. Reduce dose in renal disease (CrCl <25 mL/min).
Famciclovir (Famvir^®) Pregnancy: B; Lactation: Unsafe Tabs: 125 mg, 250 mg, 500 mg	Children: N/A Adult: 500 mg PO every 8 hours for 7 days.	Food: May take without regard to food. Important side effects: Nausea, headache, dizziness. Reduce dose in renal disease (CrCl <60 mL/min).
Valacyclovir (Valtrex^®) Pregnancy: B; Lactation: Unk	Children: N/A Adult: 1,000 mg PO three times daily for 7 days.	Food: May take without regard to food. Important side effects: Nausea, headache, dizziness.
Tabs: 500 mg, 1,000 mg		Reduce dose in renal disease (CrCl <50 mL/min).