Question 1

What is Valganciclovir used for?

Accepted Answer

Valganciclovir is indicated for: FHV-1 refractory to other antivirals, Herpesvirus infections (refractory).

Question 2

What routes can Valganciclovir be administered by?

Accepted Answer

Available routes: PO.

Question 3

Which species have cited Valganciclovir dosing data?

Accepted Answer

Valganciclovir dosing in the ExoticRx formulary covers 2 species: Cat (Domestic), Dog (Domestic).

Question 4

Is Valganciclovir a controlled substance?

Accepted Answer

Valganciclovir is not federally scheduled as a controlled substance, but is veterinary prescription only in most jurisdictions.

Question 5

What are the warnings or contraindications for Valganciclovir?

Accepted Answer

Bone marrow suppression (neutropenia, thrombocytopenia). Monitor CBC weekly. Handle with gloves (potential teratogen). Limited veterinary use — mostly FHV-1 refractory cases.

Question 6

What are the side effects of Valganciclovir?

Accepted Answer

Bone marrow suppression (neutropenia, thrombocytopenia). Monitor CBC weekly. Handle with gloves (potential teratogen). Limited veterinary use — mostly FHV-1 refractory cases.

Question 7

How does Valganciclovir work?

Accepted Answer

Prodrug of ganciclovir. After hydrolysis and phosphorylation, inhibits viral DNA polymerase. Active against herpesviruses including CMV.

Species	Route	Dose	Frequency	Evidence	Source
Dog (Domestic)	PO	12.5 mg/kg	q12h	Extrapolated	Papich Handbook of Veterinary Drugs, 5th Ed
Cat (Domestic)	PO	12.5 mg/kg	q12h	Weak	Papich Handbook of Veterinary Drugs, 5th Ed

Valganciclovir

Drug Class

Routes

Indications

Mechanism of Action

Side effects & warnings

Species with Valganciclovir dosing data (2 dose rules)

Evidence levels across 2 dose rules

Backed by a published primary source

Sample dosing (2 of 2 cited rules)

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