Special Report

25 Most Dangerous Drugs

1. Acetaminophen
> Common names/types: Tylenol, Mapap, Feverall
> Common uses: Pain relief
> Deadly when: Taken in excess, combined with alcohol, other pain meds containing acetaminophen
> Risks: Long-term liver damage, liver toxicity, death

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2. Alcohol
> Common names/types: Beer, wine, liquor
> Common uses: Recreation
> Deadly when: Combined with benzodiazepines, many other drugs
> Risks: Liver damage and failure, high blood pressure, death due to impaired motor functions

Source: Moussa81 / Getty Images

3. Anti-anxiety medication (benzodiazepines)
> Common names/types: Xanax, Valium, Klonopin
> Common uses: Anxiety treatment
> Deadly when: Combined with barbiturates, opioids, or alcohol
> Risks: Overdose, dementia

Source: Gonegonegone / Wikimedia Commons

4. Anticoagulants
> Common names/types: Warfarin, Xarelto, Heparin
> Common uses: Blood clot risk
> Deadly when: Combined with Aspirin and other blood-thinning drugs
> Risks: Internal and external bleeding

Source: Joe Raedle / Getty Images News via Getty Images

5. Antidepressants (SSRIs)
> Common names/types: Prozac, Lexapro, Paxil, Zoloft
> Common uses: Treatment of depression
> Deadly when: Combined with other drugs that affect serotonin levels, opioids, NSAIDs
> Risks: Serotonin syndrome, suicide, internal bleeding