Acetaminophen (Tylenol) overdose is a severe risk (causing acute liver failure) because it’s hidden in over 600 cold/pain products. Never mix medications containing it, and stay below the 3g/24hr limit. If overdose is suspected, seek emergency medical care immediately, as early treatment (NAC) is critical.

Opioid drugs can be life threatening. It is not uncommon to hear stories about folks being prescribed opioids for injuries, that...