ExoticRx · exoticrx.com/drugs/derquantel
US brand names:Startect(combination)
Derquantel is dosed at 1–2 mg/kg PO Single dose in cats, per Papich Handbook of Veterinary Drugs, 5th Ed. Verify against current literature before clinical use.
Antagonist at nicotinic acetylcholine receptors in nematodes, causing flaccid paralysis. Novel mechanism complements macrocyclic lactone activity.
Combined with abamectin for broader spectrum. Primarily for livestock. Limited companion animal data. Generally well tolerated.
Species references:All Cat (Domestic) drugsAll Dog (Domestic) drugsAll Sheep (Ovine) 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 3 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 | 1–2 mg/kg | Single dose | Extrapolated | Papich Handbook of Veterinary Drugs, 5th Ed |
| Dog (Domestic) | PO | 1–2 mg/kg | Single dose | Extrapolated | Papich Handbook of Veterinary Drugs, 5th Ed |
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View PlansSource citations and evidence levels available on the live page. Reference only — verify against current literature before clinical use.