Question 1

What is Griseofulvin used for?

Accepted Answer

Griseofulvin is indicated for: Dermatophytosis, Dermatophytosis (ringworm).

Question 2

What routes can Griseofulvin be administered by?

Accepted Answer

Available routes: PO.

Question 3

Which species have cited Griseofulvin dosing data?

Accepted Answer

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

Question 4

Is Griseofulvin a controlled substance?

Accepted Answer

Griseofulvin 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 Griseofulvin?

Accepted Answer

TERATOGENIC — CONTRAINDICATED in pregnant animals. Bone marrow suppression (especially cats — monitor CBC). Give with fatty food (enhances absorption). Cats: FIV-positive at higher risk of toxicity. 4-8 week course minimum.

Question 6

What are the side effects of Griseofulvin?

Accepted Answer

TERATOGENIC — CONTRAINDICATED in pregnant animals. Bone marrow suppression (especially cats — monitor CBC). Give with fatty food (enhances absorption). Cats: FIV-positive at higher risk of toxicity. 4-8 week course minimum.

Question 7

How does Griseofulvin work?

Accepted Answer

Inhibits fungal mitosis by disrupting mitotic spindle microtubules. Deposits in keratin precursor cells, preventing fungal invasion of new growth.

Species	Route	Dose	Frequency	Evidence	Source
Dog (Domestic)	PO	25–50 mg/kg	q12-24h	Moderate	Plumb's Veterinary Drug Handbook, 9th Ed
Cat (Domestic)	PO	25–50 mg/kg	q12-24h	Moderate	Plumb's Veterinary Drug Handbook, 9th Ed

Griseofulvin

Drug Class

Routes

Indications

Mechanism of Action

Side effects & warnings

Species with Griseofulvin 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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