These unwanted side effects are rare if you take acetaminophen occasionally, but if you take it on a regular basis or at a higher dose than recommended, your risk increases.

Dr Ethan Melillo, a pharmacist from Rhode Island, reveals one of the medications he 'hates' for its harmful side effects in the long run like organ failure and dementia, among others.

But rarely, it can cause serious side effects, such as liver damage. Acetaminophen is available as the brand-name drug Tylenol. Acetaminophen comes as an oral tablet, oral capsule, chewable tablet ...

Find patient medical information for Tylenol Cold-Flu-Cough Day-Night oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings.