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How long after having a drink do I need to wait to take Benedryl

A member asked:
Dr. Clarence Grim
57 years experience Endocrinology
Alcohol: Please define what a drink is. 1 gallon 1 pint 1 shot You can prob take some benadryl but it may make you sleepy.
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A 24-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
57 years experience Allergy and Immunology
Depends: Count Benadryl (diphenhydramine) as a drink (some say as much as two but I think it depends on the individual) for its effects on your body and mind , ... Read More
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1 thank
A 34-year-old member asked:
Dr. Anthony Vertino
23 years experience Clinical Psychology
Labels: Labels usually indicate how long a medication is effective. With any medication, mixing it with alcohol is not a good idea.
A female asked:
Dr. Yash Khanna
57 years experience Family Medicine
At least 6 hours: Benadryl reaches its peak plasma cocentration in 2to3 hours.It's affect is rather short acting 4to6 hours only.There may still be some affect left but ... Read More
A 35-year-old female asked:
Dr. John Chiu
Dr. John Chiu answered
57 years experience Allergy and Immunology
Any time: If alcohol makes you drowsy, adding a Benadryl (diphenhydramine) will increase the effect. A rule of thumb is to count a 25 mg Benadryl (diphenhydram ... Read More
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A male asked:
Dr. John Chiu
Dr. John Chiu answered
57 years experience Allergy and Immunology
That's a lot: Taking 25 mg of Benadryl (diphenhydramine) will be like having consumed 1-2 extra oz of whiskey in term of drowsiness effect. If you have previously ... Read More
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1 thank
A male asked:
Dr. John Chiu
Dr. John Chiu answered
57 years experience Allergy and Immunology
12 hrs at most: The drowsiness effect wears off within hours (duration varies among individuals) and thus you should be ok the day after.
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A 40-year-old male asked:
Dr. Nayla Mumneh
29 years experience Allergy and Immunology
Preferrably not: I would not mix Benadryl (diphenhydramine) and alcohol as both are sedating and you may become incapacitated.
A 45-year-old member asked:
Dr. Anthony Vertino
23 years experience Clinical Psychology
Not a good idea: How much alcohol was consumed and how long since the last drink. Mixing alcohol and Benadryl (diphenhydramine) (or any medication) is not a good idea ... Read More
A 42-year-old member asked:
Dr. Anthony Vertino
23 years experience Clinical Psychology
Not a good idea: Drinking and mixing any medications is not a good idea.

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