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Opioids

Loperamide (Imodium) Abuse

Street names: Imodium, Lope, Poor man's methadone, The super loperamide

⚡What it does

  • At 100+ mg crosses into the brain: weak opioid calm, withdrawal relief for hours
  • OTC, cheap, no prescription, no questions

⚠Key risks

  • CARDIAC DEATH — the signature: mega-doses block cardiac sodium/potassium channels → arrhythmia, QT prolongation, sudden death. Multiple documented fatalities
  • Not a safe withdrawal tool — the dose that stops withdrawal approaches the dose that stops the heart
  • With P-gp inhibitors (quinidine, some antihistamines) brain penetration multiplies
  • The 'loperamide challenge' online advice has killed people

✚Overdose signs

  • Racing irregular heartbeat
  • Fainting
  • Seizures
  • Sudden cardiac arrest

Category comparison — Opioids

SubstanceClassTop risksStreet price
Loperamide (Imodium) AbuseOTC — unrestricted; bulk purchases monitored in some US statesCARDIAC DEATH — the signature: mega-doses block cardiac sodium/potassium channels → arrhythmia, QT prolongation, sudden death. Multiple documented fatalities; Not a safe withdrawal tool — the dose that stops withdrawal approaches the dose that stops the heart~$5–$12 per pack of 18–42 tablets — the accessibility is the danger
HeroinSchedule IExtremely addictive — physical dependence in weeks; Overdose: breathing slows or stops~$10–$40 per bag
FentanylSchedule IIRespiratory depression; Addiction in days~$20–$40 per counterfeit pill
Fentanyl HCl (powder)Schedule II / analogue prosecutionsLab-purity powder is far stronger than street mixes; Weighing errors are fatal~$60–$120/gram wholesale equivalent
AcetylfentanylSchedule I~5–15× weaker than fentanyl but still deadly at gram-level mistakes; Frequent cause of cluster overdoses~$25–$60/g where found
Furanylfentanyl (Fu-F)Schedule ILinked to hundreds of fatal overdoses 2016–2018; Potency similar to fentanyl~$20–$50/g
Street prices are regional estimates. Potency and cuts vary constantly.

?Frequently asked questions

What does Loperamide (Imodium) Abuse look like?

2 mg anti-diarrhea tablets, blister packs; users take 50–300+ tablets

What are the signs of a Loperamide (Imodium) Abuse overdose?

Racing irregular heartbeat; Fainting; Seizures Call emergency services immediately and give naloxone if available — it reverses opioid overdoses.

How addictive is it?

CARDIAC DEATH — the signature: mega-doses block cardiac sodium/potassium channels → arrhythmia, QT prolongation, sudden death. Multiple documented fatalities Dependence can develop with regular use.

🔗Sources & further reading

Facts on this page are compiled from these primary sources. External links open in a new tab.