Question 1

What is Baloxavir Marboxil used for?

Accepted Answer

Baloxavir Marboxil is indicated for: Influenza, Influenza (canine).

Question 2

What routes can Baloxavir Marboxil be administered by?

Accepted Answer

Available routes: PO.

Question 3

Which species have cited Baloxavir Marboxil dosing data?

Accepted Answer

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

Question 4

Is Baloxavir Marboxil a controlled substance?

Accepted Answer

Baloxavir Marboxil 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 Baloxavir Marboxil?

Accepted Answer

Single-dose treatment. Resistance can emerge (I38T substitution). GI upset. Novel mechanism. No veterinary data.

Question 6

What are the side effects of Baloxavir Marboxil?

Accepted Answer

Reported side effects, adverse reactions, and contraindications for Baloxavir Marboxil: Single-dose treatment. Resistance can emerge (I38T substitution). GI upset. Novel mechanism. No veterinary data.

Question 7

How does Baloxavir Marboxil work?

Accepted Answer

Inhibits cap-dependent endonuclease in the influenza polymerase acidic (PA) protein, blocking viral mRNA synthesis. Active against influenza A and B.

Species	Route	Dose	Frequency	Evidence	Source
Dog (Domestic)	PO	1–2 mg/kg	Single dose	Weak	Plumb's Veterinary Drug Handbook, 9th Ed
Cat (Domestic)	PO	1–2 mg/kg	Single dose	Weak	Plumb's Veterinary Drug Handbook, 9th Ed

Baloxavir Marboxil

Drug Class

Routes

Indications

Mechanism of Action

Side effects & warnings

Species with Baloxavir Marboxil dosing data (2 dose rules)

Evidence levels across 2 dose rules

Backed by a published source

Sample dosing (2 of 2 cited rules)

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