ExoticRx · exoticrx.com/drugs/valganciclovir
US brand names:Valcyte
Valganciclovir is dosed at 12.5 mg/kg PO q12h in cats, per Papich Handbook of Veterinary Drugs, 5th Ed. Verify against current literature before clinical use.
Prodrug of ganciclovir. After hydrolysis and phosphorylation, inhibits viral DNA polymerase. Active against herpesviruses including CMV.
Bone marrow suppression (neutropenia, thrombocytopenia). Monitor CBC weekly. Handle with gloves (potential teratogen). Limited veterinary use — mostly FHV-1 refractory cases.
Species references:All Cat (Domestic) drugsAll Dog (Domestic) drugs
Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.
A dog/cat sample is shown here. Cited dosing for all 2 species — reptiles, birds, pocket pets, livestock, and equine — is free on the per-species pages above. Pro adds the weight-based calculator for every species.
| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Cat (Domestic) | PO | 12.5 mg/kg | q12h | Weak | Papich Handbook of Veterinary Drugs, 5th Ed |
| Dog (Domestic) | PO | 12.5 mg/kg | q12h | Extrapolated | Papich Handbook of Veterinary Drugs, 5th Ed |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.