Things You'll Need:
- Tylenol PM
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Step 1
Know the ingredients of Tylenol PM.
Tylenol PM contains both acetaminophen pain reliever and diphenhydramine HCl, a sedative also found in Benadryl. There are 500 mg of acetaminophen and 25 mg diphenhydramine HCl in one Tylenol PM capsule. -
Step 2
Know the dangers of acetaminophen.
In order to prevent liver damage, acetaminophen can not be taken with alcohol. You can't take Tylenol PM on a night where you drink three or more drinks, or else you may damage your liver. -
Step 3
Know the dangers of diphenhydramine HCl.
Diphenhydramine is a powerful sedative. You shouldn't take it in the middle of the day, or while you are driving or operating machinery. Tylenol PM should only be taken before bed time. -
Step 4
Know the possible safety benefits of Tylenol PM.
Tylenol PM is not addictive, and it may be used carefully without a serious chance of addiction. Addiction and dependence can be a problem with prescription sleep aids.










