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Active ingredients
Veterinary active ingredients — how each works, sourced doses by species with a dose calculator, safety points, withdrawal periods and the brands that contain it.
Analgesic / antipyretic (para-aminophenol derivative)
Antibiotic (phenicol)
Benzimidazole anthelmintic
Beta-lactamase inhibitor
Corticosteroid (glucocorticoid with mineralocorticoid activity)
Corticosteroid (glucocorticoid)
Corticosteroid (glucocorticoid, intermediate-acting)
- Methylprednisolone for Animals: Mechanism, Doses by Species & BrandsMethylprednisolone is a glucocorticoid given by mouth as tablets (Medrol) or as a long-acting acetate injection (Depo-Medrol) for arthritis, allergic dermatitis and…
- Prednisolone for Animals: Mechanism, Doses by Species & BrandsPrednisolone is an oral glucocorticoid for dogs and cats. UK labels give 0.1–2.0 mg/kg a day, and anti-inflammatory doses of 0.5–1 mg/kg…
Corticosteroid (glucocorticoid, long-acting)
- Betamethasone for Animals: Mechanism, Doses by Species & BrandsBetamethasone is a glucocorticoid. In horses, BetaVet (6 mg/mL) is injected into the joint at 1.5 mL — 9 mg of betamethasone…
- Dexamethasone for Animals: Mechanism, Doses by Species & BrandsDexamethasone is a glucocorticoid used as an anti-inflammatory and anti-allergic drug in horses, cattle, pigs, dogs and cats, and for primary ketosis…
First-generation cephalosporin (beta-lactam) antibacterial
Flukicide (benzenesulfonamide)
Fluoroquinolone antibacterial
Isoquinoline anthelmintic (tapeworms)
Isoxazoline ectoparasiticide
- Afoxolaner for Animals: Mechanism, Doses by Species & BrandsAfoxolaner is an isoxazoline flea and tick drug for dogs, given orally once a month at a minimum of 2.5 mg/kg.
- Fluralaner for Animals: Mechanism, Doses by Species & BrandsFluralaner is an isoxazoline flea and tick drug; Bravecto chews are given to dogs at a minimum of 25 mg/kg once every…
Janus kinase (JAK) inhibitor
Local anaesthetic (aminoamide)
Macrocyclic lactone (avermectin) antiparasitic
Milbemycin (macrocyclic lactone) antiparasitic
Neurokinin-1 (NK1) receptor antagonist antiemetic
Non-steroidal anti-inflammatory drug (NSAID)
- Carprofen for Animals: Mechanism, Doses by Species & BrandsCarprofen is an NSAID for dogs, given at 4.4 mg/kg (2 mg/lb) once daily or 2.2 mg/kg (1 mg/lb) twice daily for…
- Diclofenac for Animals: Mechanism, Doses by Species & BrandsIn veterinary medicine diclofenac is used as a 1% topical cream for joint osteoarthritis in horses (Surpass), applied twice a day for…
Non-steroidal anti-inflammatory drug (NSAID, coxib — COX-2 selective)
- Deracoxib for Animals: Mechanism, Doses by Species & BrandsDeracoxib was the first coxib-class NSAID approved for dogs. Under the Deramaxx label dogs get 1–2 mg/kg once a day for osteoarthritis,…
- Firocoxib for Animals: Mechanism, Doses by Species & BrandsFirocoxib is a coxib-class NSAID approved in the US and EU for pain and inflammation. Dogs get 5 mg/kg by mouth once…
Non-steroidal anti-inflammatory drug (NSAID, coxib — highly COX-2 selective)
Non-steroidal anti-inflammatory drug (NSAID, coxib — long-acting)
Non-steroidal anti-inflammatory drug (NSAID, coxib)
Non-steroidal anti-inflammatory drug (NSAID, fenamate)
Non-steroidal anti-inflammatory drug (NSAID, nicotinic acid derivative — non-selective)
Non-steroidal anti-inflammatory drug (NSAID, oxicam)
Non-steroidal anti-inflammatory drug (NSAID, propionic acid derivative)
Non-steroidal anti-inflammatory drug (NSAID, pyrazolone)
Penicillin antibiotic with a β-lactamase inhibitor
Phenothiazine derivative
Piprant — prostaglandin E2 EP4 receptor antagonist (not a COX inhibitor)
Tetrahydropyrimidine anthelmintic
Third-generation cephalosporin (beta-lactam) antibacterial
Topical corticosteroid (glucocorticoid)
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