Diphenhydramine: Uses, Side Effects, Dosages, Precautions
Diphenhydramine: Uses, Dosage, and Side Effects
How Much Diphenhydramine Can I Take?
Using Diphenhydramine as a Sleep Aid Insomnia Treatment
Diphenhydramine is usually taken as needed.
Store brands are usually cheaper than the brand-name versions.
The medicine should continue to work for about four to six hours.