ExoticRx · exoticrx.com/drugs/dichlorvos
US brand names:Vapona, Task
Dichlorvos is dosed at 26.4–33 mg/kg PO once in dogs, per Verified against Papich/Saunders Handbook of Veterinary Drugs, 4th Ed, p.260 (2026-08-01). — LOCATOR CONVENTION 2026-08-07: the bare 'p.260' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.232; verified by finding the drug named there. If you are holding the book, turn to p.232. — SOURCE EDITION: Saunders Handbook of Veterinary Drugs — ISBN 9780323244855, https://openlibrary.org/isbn/9780323244855. Verify against current literature before clinical use.
Irreversible acetylcholinesterase inhibitor causing accumulation of acetylcholine at parasitic neuromuscular junctions.
Organophosphate toxicity risk. Do not combine with other cholinesterase inhibitors. Antidote: atropine + pralidoxime. Largely replaced by safer alternatives.
Species references:All Dog (Domestic) drugs
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| Species | Route | Dose | Frequency | Evidence | Source |
|---|---|---|---|---|---|
| Dog (Domestic) | PO | 26.4–33 mg/kg | once | Weak | Verified against Papich/Saunders Handbook of Veterinary Drugs, 4th Ed, p.260 (2026-08-01). — LOCATOR CONVENTION 2026-08-07: the bare 'p.260' in this citation is the PDF index of the held scan, not the printed page. The PRINTED page is p.232; verified by finding the drug named there. If you are holding the book, turn to p.232. — SOURCE EDITION: Saunders Handbook of Veterinary Drugs — ISBN 9780323244855, https://openlibrary.org/isbn/9780323244855 |
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