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Chlorpromazine

Thorazine

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Sourced from published veterinary references. Awaiting credentialed clinical reviewer — our editorial process.

Drug Class

Sedative

Routes

POIMIV

Indications

Mechanism of Action

Blocks dopamine D2 receptors in the CRTZ (antiemetic) and CNS (sedation). Also has anticholinergic, antihistaminic, and alpha-adrenergic blocking properties.

Side effects & warnings

Hypotension (alpha blockade). Antiemetic. Sedation without analgesia. Lowers seizure threshold. Avoid in dehydrated or hypovolemic patients.

Species with Chlorpromazine dosing data (1 dose rule)

Species references:All Dog (Domestic) drugs

Evidence levels across 1 dose rule

Each ExoticRx dose rule is graded by the strength of its primary evidence — see the editorial process.

Backed by a published source

  • · Plumb's Veterinary Drug Handbook, 9th Ed

Sample dosing (1 of 1 cited rule)

A dog/cat sample is shown here. Cited dosing for all 1 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.

SpeciesRouteDoseFrequencyEvidenceSource
Dog (Domestic)IM0.5–1 mg/kgq6-8hModeratePlumb's Veterinary Drug Handbook, 9th Ed

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