ExoticRx · exoticrx.com/drugs/tricaine-methanesulfonate
US brand names:MS-222, Finquel
Tricaine Methanesulfonate is dosed at 25–100 mg/l by immersion not stated in the cited source in bettas, per Ramsey I, ed. BSAVA Small Animal Formulary, 10th ed. Part B: Exotic Pets. Gloucester: British Small Animal Veterinary Association; 2023. p.303. — SOURCE EDITION: BSAVA Small Animal Formulary, Part B — Exotic Pets — ISBN 9781910443712, https://openlibrary.org/isbn/9781910443712. Verify against current literature before clinical use.
Sodium channel blocker absorbed through gills and skin. Provides sedation, anesthesia, and immobilization in aquatic species via neural blockade.
Aquatic species (fish, amphibians). Buffer solution to neutral pH (acidic otherwise). 21-day withdrawal for food fish. Wear gloves (skin irritant). Monitor opercular movement.
Species references:All Betta (Siamese fighting fish) drugsAll Goldfish drugsAll Koi drugs
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