A member asked:

If benadryl (diphenhydramine) only lasts 4 hours why do i always wake up in the morning all groggy from it... after 8 hours of sleep shouldn't it it be worn off?

A doctor has provided 1 answer

Dr. Ronald Krauser answered

See details: Medications are metabolized at different rates in different people. So it is possible that you metabolize this med more slowly than normal. Try a smaller dose.

Dr Machanic agreed

Answered 3/29/2016

4.3k views

Thank

More of what we treat

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.

Get Virtual Care

For Businesses

About Us

HealthTap Online Primary Care Doctors Accepting New Patients

A member asked:

If benadryl (diphenhydramine) only lasts 4 hours why do i always wake up in the morning all groggy from it... after 8 hours of sleep shouldn't it it be worn off?

A doctor has provided 1 answer

Dr. Ronald Krauser answered

Dr Machanic agreed

Related Questions

A member asked:

I alternate between Benadryl (diphenhydramine) and klonopin (for sleep) is it safe to take klonopin for anxiety morning after taking a Benadryl (diphenhydramine) for sleep?

A member asked:

If I need five benadryls (diphenhydramine) over the course of the night and it puts me to sleep does that sleep count as real restful sleep? I don't wake up refreshed.

A member asked:

I have a rash for 3 weeks and its not going away it get wrost at night it wakes me up in the middlle of sleep used Benadryl (diphenhydramine) it inside of legs?

A member asked:

I usually use doxylamine for sleep. I want to switch to diphenhydramine for a while. Ok to just take diphenhydramine tonight even though I took doxylamine last night ?

A member asked:

How long would alcohol stay in your system? How long would I have to wait until I could take diphenhydramine as a sleep aid after my last drink?

Sponsored Content

People also searched for:

Will i feel groggy in the morning if i take 1/2 the recommended diphenhydramine dose for sleep the night before?

Best sleep medication for long term use? Cant shut mind off at night. Benadryl makes me groggy. Klonopin causes brain atrophy(?) Melatonin dont work

Is it okay if I take Benadryl (diphenhydramine) at night if I take adipex in the morning . I don't have trouble sleeping . I am just having a reaction to new soap?

Benadryl (diphenhydramine) is the only thing that helps my allergies at night. One tablet leaves me severely groggy in the morning though. But, is it safe?

I take singulair at night and xyzal in the morning. Can I take a sleeping aid at night? Most of the are basically like Benadryl (diphenhydramine) aren't they?

Telemedicine

Primary Care

Manage Your Conditions

Women's Health

Children's Health

Men's Health

Senior Health

Wellness, Prevention & Lifestyle

Sexual Health

Mental & Behavioral Health

Travel Medicine

Urgent Care

Didn't find what you're looking for?

More of what we treat

Allergies

Antibiotics

Asthma

High Blood Pressure

Prescriptions

Type 2 Diabetes

For Businesses

Company

Health Content

Join Us

Download HealthTap

Questions?