The maximum safe Benadryl (diphenhydramine) dose for adults is 50 to 100 mg for a single dose with a daily maximum of 300 mg in 24 hours. However, your safe Benadryl dose depends on
Diphenhydramine (Benadryl, etc.) Dosage. Childs weight. 20 24 lbs.ADULT DOSAGE: 50 mg. FREQUENCY: Repeat every six hours as needed.
The typical adult Benadryl dosage is 1 to 2 tablets or capsules by mouth every 4 to 6 hours as needed. Adults ages 65 and older should contact a healthcare professional before taking Benadryl. Side effects, such as dizziness and urinary retention, are more common in older adults.

BENADRYL (Diphenhydramine HCl) Dosing Guide for Adults & Children. Find the right dose when you need it the most.
The Benadryl dosage calculator recommends how much Benadryl you should take yourself or give to your little one. Check the article below to find out more about Benadryl dosage for kids and for adults, what the active ingredient in Benadryl is, and what are the side effects of this medication.

This particular example perfectly highlights why Adults Benadryl Dosage By Weight is so captivating.
Benadryl Dosage for Adults. Benadryl for sleep brand name has been discontinued, but it is still available in generic and other brand forms (capsules, tablets, and liquid) that can be taken with or without food. If you take it at night to help you sleep, the normal dosage is 25 to 50 mg.
Diphenhydramine (Benadryl) Dose Table. Back to Dosage Tables. Child's weight (pounds). 20-24.Adult Dose. 50 mg. How Often for Under 6 Years. Repeat every 6-8 hours as needed. (Exception: do not use under 1 year unless directed by provider).