25 Most Dangerous Drugs

Source: Psychonaught / Wikimedia Commons

16. Methamphetamine
> Common names/types: Crystal meth, Desoxyn
> Common uses: Stimulant
> Deadly when: Accidental overdose
> Risks: Teeth loss, brain damage, death

Source: U.S. Food and Drug Administration

17. Methotrexate
> Common names/types: Trexall, Rasuvo, Otrexup
> Common uses: Cancer, psoriasis, rheumatoid arthritis
> Deadly when: Taken too frequently, combined with Probenecid
> Risks: Liver, lung, or kidney damage, death

Source: Mike Mozart / Flickr

18. NSAIDs
> Common names/types: Advil, Aspirin, Ibuprofen
> Common uses: Pain relief, inflammation
> Deadly when: Combined with other blood-thinners
> Risks: Heart attack, stroke, Reye syndrome

Source: callum redgrave-close / iStock

19. Selective Serotonin Reuptake Inhibitors
> Common names/types: Celexa, Zoloft, Prozac, Lexapro
> Common uses: Depression
> Deadly when: Combined with other drugs that affect Serotonin levels
> Risks: Serotonin syndrome, increased risk of suicide

Source: spflaum1 / iStock

20. Sildenafil
> Common names/types: Viagra, Revatio
> Common uses: Erectile dysfunction
> Deadly when: Combined with isosorbide mononitrate
> Risks: Death, dramatic blood pressure drop