Anti viral drug - Purine analogue
Synthetic guanosine nucleoside analogue substitute guanosine in DNA synthesis and inhibits viral replication
Birds @ 80 mg/kg PO 3 times daily
Horse @ 10 mg/kg Slow IV 2 times daily
Dogs and Cats @ 3mg/kg PO 5 times daily for 10 days and upto 10 mg/kg PO 5 times daily for next 10 days
10-20 mg/kg slow IV infusion 3 times daily
Oral - GI disturbance
IV - Renal insufficiency in dehydrated state
Topical - Local irritation
Tab Herperax 400 mg
Tab Zovir 200 mg
Cream Acivir 5%
Gel Cyclovir 5 %