Cat · Felis catus · typical adult weight 2.50–7.00 kg
Griseofulvin is dosed at 25–50 mg/kg PO q12-24h in cats, per Verified against Muller & Kirk's Small Animal Dermatology, 7th Ed, p.239 (2026-08-01).. Griseofulvin is used in cats for Dermatophytosis. Routes documented in cats: PO. A typical adult cat weighs 2.50–7.00 kg. ExoticRx lists 1 cited dose rule for Griseofulvin in cats, drawn from published veterinary references. Verify against current literature before clinical use.
US trade names: Fulvicin, Grisovin
| Route | Dose | Frequency | Duration | Indication | Evidence | Source |
|---|---|---|---|---|---|---|
| PO | 25–50 mg/kg | q12-24h | 4-8 weeks minimum | Dermatophytosis | Moderate | Verified against Muller & Kirk's Small Animal Dermatology, 7th Ed, p.239 (2026-08-01). |
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These ranges are per kg. Enter your cat's weight to get the precise dose and draw-up volume — unit and concentration math done for you.
Inhibits fungal mitosis by disrupting mitotic spindle microtubules. Deposits in keratin precursor cells, preventing fungal invasion of new growth.
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.
Species-specific contraindications and adverse-reaction reports for cats may differ from canine / feline reference data — consult the primary citations listed with each rule.
Griseofulvin dose range in cats, with cited source references: PO 25–50 mg/kg q12-24h. Reference ranges from cited sources — verify against current literature before clinical use.
Documented routes for Griseofulvin in cats: PO.
Cited course lengths for Griseofulvin in cats include: 4-8 weeks minimum. Duration depends on the indication — match it to the specific dose rule in the table above.
Griseofulvin is indicated in cats for: Dermatophytosis.
These are general warnings for Griseofulvin across species; consult the cat dosing table above for species-specific guidance. 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.
Why a species-specific page? Griseofulvin pharmacokinetics differ across species: dose ranges, intervals, and route preferences are not interchangeable. Cross-extrapolation from canine doses is unsafe in cats — the rules above are the citations specific to this species, not generic recommendations.
Sourced from published veterinary references; awaiting credentialed clinical reviewer. See our editorial process. Reference only — not veterinary advice.