Substance guides
Can you overdose on meth? Recognizing stimulant overdose
Published November 28, 2024 · 7 min read · Updated April 2026
Reviewed for accuracy by licensed clinical professionals.
Meth overdose is a cardiovascular emergency, not a respiratory one like opioids. No reversal agent exists.
Signs
Chest pain, severe headache, difficulty breathing, extreme agitation, seizures, body temperature above 104F, irregular heartbeat, loss of consciousness.
Acute vs chronic
Acute overdose from a single large dose. Chronic overdose is cumulative damage from long-term use: cardiomyopathy, kidney failure, brain hemorrhage.
Response
Call 911. Keep person calm. Cool if overheating. Do not restrain unless immediate injury danger. No home treatment exists for stimulant overdose.
Frequently asked questions
Can meth cause a heart attack?
Yes. Meth causes vasoconstriction, elevated heart rate, and arrhythmias. Heart attack and stroke are leading causes of meth-related death.
Is there a reversal drug for meth?
No. Unlike opioids (naloxone), no reversal agent exists for stimulant overdose.
How much meth causes overdose?
No predictable dose. Risk depends on purity, tolerance, route, cardiovascular health, and other substances.
Disclaimer: Informational only. Not medical advice. SAMHSA: 1-800-662-4357.