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Methocarbamol Injectable

Robaxin-V Injectable

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

Drug Class

Miscellaneous

Routes

IV

Indications

Permethrin toxicity (muscle tremors)Severe muscle tremors (metaldehyde/strychnine toxicity)

Mechanism of Action

Centrally acting muscle relaxant that depresses polysynaptic reflexes in the spinal cord and subcortical areas, reducing skeletal muscle hypertonicity and spasm.

Side effects & warnings

IV route for acute severe muscle spasm (tetanus, strychnine toxicity, metaldehyde). Administer slowly to avoid seizures. Sedation and ataxia expected. Do not exceed 330mg/kg/day.

Species with Methocarbamol Injectable dosing data (2 dose rules)

Cat (Domestic)Dog (Domestic)

Species references:All Cat (Domestic) drugsAll Dog (Domestic) drugs

Evidence levels across 2 dose rules

Strong×2

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; ASPCA Toxicology

Sample dosing (2 of 2 cited rules)

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.

SpeciesRouteDoseFrequencyEvidenceSource
Dog (Domestic)IV44–220 mg/kgSlow IV to effect; repeat q6hStrongPlumb's Veterinary Drug Handbook, 9th Ed; ASPCA Toxicology
Cat (Domestic)IV44–150 mg/kgSlow IV to effect; may repeatStrongPlumb's Veterinary Drug Handbook, 9th Ed; ASPCA Toxicology

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Calculate Dosage for Methocarbamol Injectable