Alternate names

ADD medication, ADHD medication, methylphenidate, ecstasy, methylphenidate, dextroamphetamine, amphetamine, Adderall, D-amphetamine, Dexedrine, methamphetamine, Desoxyn, lisdexamfetamine, Vyvanse

Toxicity to pets

Amphetamines are used for a variety of medical and illicit reasons. Legal forms include prescription medications for ADD/ADHD, weight loss, and narcolepsy. Illegal forms of amphetamines include street drugs like methamphetamine, crystal meth, and ecstasy. This class of drugs results in over-stimulation of the nervous system. With amphetamine poisoning in dogs and cats, severe clinical signs can be seen including: central nervous system (e.g., agitation, dilated pupils, tremors, seizures), cardiovascular (e.g., elevated heart rate, high blood pressure), gastrointestinal (e.g., drooling, vomiting, diarrhea), and respiratory (e.g., panting). Aggressive treatment includes decontamination (if appropriate), IV fluids, sedation, thermoregulation (and cooling measures, if needed), electrocardiogram/blood pressure monitoring, and symptomatic/supportive care.


Common signs to watch for:

  • Agitation
  • Aggression
  • Panting
  • Sedation
  • Elevated heart rate
  • Hypertension
  • Drooling
  • Vomiting
  • Diarrhea
  • Tremors
  • Seizures
Crystal Meth

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The content of this page is not veterinary advice. A number of factors (amount of substance ingested, size of the animal, allergies, etc.) determine what is toxic to a particular pet. If you think your pet has eaten something potentially toxic, call Pet Poison Helpline or seek immediate veterinary treatment.