ExoticRx · exoticrx.com/drugs/hydrogen-peroxide-3-emetic
H2O2 3% USP
Local irritant that stimulates pharyngeal and gastric sensory neurons triggering the emetic reflex via vagal afferents to the vomiting center.
Dogs ONLY — do NOT use in cats (severe hemorrhagic gastritis). Use only 3% solution. May repeat once. Do not use if caustic or sharp object ingested. Maximum 45ml per dose.
Species references:All Dog (Domestic) drugsAll Guinea Pig 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 2 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 |
|---|---|---|---|---|---|
| Dog (Domestic) | PO | 1–2 ml/kg | Single dose; repeat x1 if no emesis | Strong | ASPCA Toxicology Protocols; AAPCC Guidelines |
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