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This guide is general education for pet owners. If your pet has urgent symptoms, possible poisoning, injury, breathing trouble, collapse, severe pain, or sudden decline, contact a licensed veterinarian or local emergency service.
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This article does not diagnose or prescribe; urgent symptoms need veterinary care.
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Dog Ate Marijuana Edible: THC Toxicity & ER Triage
Clinical Verdict: MODERATE TO SEVERE (Compounded if Chocolate/Xylitol Edible)
Dogs CANNOT consume recreational marijuana, THC vape cartridges, or cannabis edibles. Dogs have vastly more cannabinoid receptors in their brains than humans, making them hyper-sensitive to THC toxicity.
Toxic Mechanism & Agent
- Toxic Agent: Delta-9-Tetrahydrocannabinol (THC)
- Mechanism of Action: Binds to presynaptic CB1 receptors in the brain, inhibiting neurotransmitter release and causing profound central nervous system depression, sensory ataxia, and autonomic dysregulation.
Clinical Signs & Timeline
- Onset Time: Inhaled: minutes; Ingested edibles: 30 minutes to 2 hours.
- Primary Symptoms: Characteristic dribbling urinary incontinence, profound ataxia (stumbling), exaggerated startle response to sounds (hyperesthesia), glassy eyes, hypothermia, severe bradycardia.
Emergency Triage Protocol
URGENT VET VISIT
Confess the exact substance to your vet without fear; knowing it is THC prevents costly, unnecessary diagnostic testing. Treatment includes IV fluids, thermoregulation, anti-nausea medication, and IV lipid emulsion (ILE) in severe comatose cases.
Strict Rule S1 Warning
NEVER induce vomiting at home using hydrogen peroxide without direct instruction from a DVM. Inappropriate emesis can cause fatal aspiration pneumonia, esophageal chemical burns, or gastric rupture. Always seek professional veterinary diagnosis.
Clinical Toxicology & Safety Tool
Pet Toxic Food & Hazard Fast-Checker
Rapidly verify toxicity risks, toxic mechanisms, and immediate clinical steps for common household foods, plants, and human medications before calling poison control or your veterinarian.
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