CBD Safety in Dogs and Cats: Side Effects, Pharmacokinetics, and Long-Term Use

CBD Safety in Dogs and Cats: Side Effects, Pharmacokinetics, and Long-Term Use

Pet owners often ask: “Is CBD safe for pets?” Evidence shows CBD is generally safe for dogs and cats at moderate doses.

  • Beagle 90-day trial: 5 mg/kg/day was well tolerated with very low adverse event rates.

  • 10 mg/kg/day: Caused more ALP increases but no clinical liver disease.

  • Cats: Tolerated 4 mg/kg daily, but with more frequent GI side effects (drooling, vomiting, pacing).

Pharmacokinetics: Dogs absorb CBD better with food; half-life ~4–9 hrs. Cats show less predictable absorption.

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Important to know for pet owners

  • Stick with moderate doses (2–5 mg/kg/day).

  • Watch for mild GI upset or sedation.

  • Never substitute CBD for prescription meds without vet approval.

Important to know for veterinarians

  • Consider drug–drug interactions (cytochrome P450 pathways).

  • Routine monitoring of liver enzymes is recommended in chronic use.

  • Cats may require individualized dosing strategies due to variable absorption.

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