Previous studies have found daily consumption of dark chocolate reduces blood pressure and is good for the heart. Now scientists have discovered why this happens-and its down to how our guts ferment the fibre in cocoa beans.
If you take Benadryl as a sleep aid, the maximum recommended dose is 50-100mg. The USFDA mandates 50mg. South Africa, the UK, Australia and New Zealand permit a dosage of up to 100mg.
So since ive been... show more About nine months ago I started taking benadryl for allergies, taking about 6 to 8 a day.. as well as taking tylenol pm at night (usually 4 a night) I wasnt aware that the pm in tylenol is the same thing as benadryl..now im aware that I was taking WAY too much diphenhydramine (benadryl).est Answer: 1. a few hours, usually, but it depends on how much you take and what you take 2. lots of water or some exercise, but the water works best. Source(s): yourpastlifelover Â· 9 years ago. Thumbs up.