Diphenhydramine 25 mg
Diphenhydramine (Benadryl®, Sominex®, and many others) is an antihistamine medication available both over the counter and with a prescription. It comes in many different forms and is used for a variety of different purposes.
For the treatment of allergy or common cold symptoms, the recommended dose of this medicine for adults and children ages 12 and older is diphenhydramine 25 mg to 50 mg every four to six hours. For children ages 6 to 12 years old, the recommended dosage is 12.5 mg to 25 mg every four to six hours.
The usual diphenhydramine dosage for insomnia in adults is 50 mg taken 30 minutes before bedtime. Elderly people (or those who seem to be sensitive to the effects of this medication) may find a lower dose (such as diphenhydramine 25 mg) to be more tolerable.
The recommended diphenhydramine dose for the treatment of allergic reactions or motion sickness in adults is 25 mg to 50 mg every six to eight hours.
(Click Diphenhydramine Dosage for more detailed dosing information for this medication, including dosing guidelines for topical diphenhydramine cream, spray, stick, or gel.)