Using Tylenol PM nightly might mask sleep disorders and lead to side effects such as liver damage and withdrawal symptoms.

Tylenol is more dangerous than these drugs. Tylenol is one of the most dangerous drugs you can take," the husband of Real Housewives of Orange County star Heather Dubrow told Us Weekly.

It might be a good idea for you to mention that Tylenol (acetaminophen) is sometimes the cause. Dear Reader: Sadly, even over-the-counters cannot be taken by some people without unwanted side effects.

The maker of Benadryl and Tylenol has added another popular over-the-counter drug to its growing list of recalled products.