ExoticRx · exoticrx.com/drugs/montelukast
US brand names:Singulair
Montelukast is dosed at 0.25–0.5 mg/kg PO q24h in cats, per Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.933 (2026-08-01).. Verify against current literature before clinical use.
Selective cysteinyl leukotriene receptor (CysLT1) antagonist. Blocks leukotriene-mediated bronchoconstriction, inflammation, and mucus production.
Limited veterinary evidence for efficacy in feline asthma. Well tolerated. May be useful as adjunct therapy. Hepatic metabolism.
Species references:All Cat (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 1 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 | 0.25–0.5 mg/kg | q24h | Weak | Verified against Plumb's Veterinary Drug Handbook, 10th Ed, p.933 (2026-08-01). |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.