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Substance education

Cocaine.

A stimulant that can cause heart attack, stroke and seizures.

Also known as Coke, Crack. A name does not verify contents.

Immediate effects

Cocaine can increase alertness while causing restlessness, anxiety and paranoia. Brief effects do not rule out serious toxicity.

Sources & review notes
  1. Cocaine
    NIH / MedlinePlus · Accessed 2026-09-26 · Effects, overdose, treatment

Major risks

Heart attack, abnormal heart rhythms, stroke and seizures can occur. Severe intoxication may also involve very high temperature and difficulty breathing.

Sources & review notes
  1. Cocaine
    NIH / MedlinePlus · Accessed 2026-09-26 · Effects, overdose, treatment
  2. Cocaine intoxication
    NIH / MedlinePlus · Published/updated 2025-01-08 · Accessed 2026-09-26 · Severe intoxication and complications

Repeated use

Dependence can develop. Repeated exposure can damage the nose or lungs depending on how it is used; lasting heart and mental-health problems can occur.

Sources & review notes
  1. Cocaine
    NIH / MedlinePlus · Accessed 2026-09-26 · Effects, overdose, treatment
  2. Cocaine intoxication
    NIH / MedlinePlus · Published/updated 2025-01-08 · Accessed 2026-09-26 · Severe intoxication and complications

Nightlife & combinations

Feeling alert is not evidence of medical stability. Alcohol or other drugs can increase overdose risk. Unregulated contents may add unexpected effects.

Sources & review notes
  1. Cocaine
    NIH / MedlinePlus · Accessed 2026-09-26 · Effects, overdose, treatment
  2. Cocaine intoxication
    NIH / MedlinePlus · Published/updated 2025-01-08 · Accessed 2026-09-26 · Severe intoxication and complications

Warning signs

Chest pain, seizure, severe overheating, collapse or breathing difficulty are emergency signs. Call 911; there is no home remedy that reverses cocaine poisoning.

Sources & review notes
  1. First aid: Act fast!
    National Capital Poison Center · Accessed 2026-09-26 · 911 criteria and Poison Control contact
  2. Cocaine intoxication
    NIH / MedlinePlus · Published/updated 2025-01-08 · Accessed 2026-09-26 · Severe intoxication and complications

Interaction records

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This resource provides general education, not medical advice or personal clearance to use a substance. No drug or combination is risk-free. For an emergency, call 911.