Benadryl (diphenhydramine): Diphenhydramine or Benadryl (diphenhydramine) is commonly used for allergies and for insomnia. Usual dose for sleeping at night would be 100 mg one to two hours before bedtime. The medicine takes a long time to be effective and stays long time in your system, demanding to take it earlier than other sleeping agents. It is not addictive and does not reduce rem sleep. It is a good option for children and elderly.
Answered 5/9/2016
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