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Doctor insights on: Benadryl Long Term

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How much Benadryl (diphenhydramine) is considered too much?

How much Benadryl (diphenhydramine) is considered too much?

Benadryl (diphenhydramine): Either the recommended amount based on weight through the directions on the box or following your doctors recommendations if the recommended dose they made is higher. ...Read more

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Dr. John Chiu
1,011 doctors shared insights

Diphenhydramine (Definition)

Diphenhydramine is a sedating antihistamine which is a kind of antihistamine type drug (common ...Read more


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Are there long-term consequences to taking Benadryl (diphenhydramine) regularly?

Are there long-term consequences to taking Benadryl (diphenhydramine) regularly?

No: When taken at recommended doses there are no cumulative adverse effects from the long-term use of Diphenhydramine (benadryl) or any other commonly used antihistamine. ...Read more

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Is there a long term effects from Benadryl (diphenhydramine) everynight?

Is there a long term effects from Benadryl (diphenhydramine) everynight?

Diphenhydramine or : Benadryl (diphenhydramine) may cause sedation the next day (due to its long half-life), decreased alertness, diminished cognitive function, delirium, dry mouth, blurred vision, urinary retention, constipation, and increased intraocular pressure (glaucoma). It can also interact with many medications. Routine use of for long term treatment of insomnia is not recommended and should be discussed with your doctor. ...Read more

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Will taking Benadryl (diphenhydramine) on a regular long term basis cause dental problems?

Benadryl (diphenhydramine) : Benadryl, (diphenhydramine) an antihistamine , often causes drowsiness and has been used as a sleeping aid. It's primary negative affect orally is that it decreases salivary flow which can lead to increased bacterial adhesion to tooth structure. If you brush and floss before bed and when you wake in the morning, you should not have problems. 6 month cleanings and exams should be done regardless. ...Read more

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Can Benadryl (diphenhydramine) usage over a long term produce cause similar sexual side effects that ssris produce?

Unlikely : Ssri side effects are very well established where as antihistamine use and sexual side effects are not that well established . I would be more concerned about long term use of antihistamine and the reasons for it . Are you using it for sleep , allergy ? Consult a psychiatrist as theses may be residual sx of depression and treatment may need to be optimized. ...Read more

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What are the long term effects of take massive am outs of Benadryl (diphenhydramine) to help with sleep at night? I've been taking 500 to 800 mg doses every night.

What are the long term effects of take massive am outs of Benadryl (diphenhydramine) to help with sleep at night? I've been taking 500 to 800 mg doses every night.

Taper off!: You have likely become habituated to this medication. Putting multiple times recommended amounts of any substance or chemical is to be discouraged. There have been reports of overdoses with respiratory depression and hallucinations at high doses of benadryl (diphenhydramine). Your body will process what it can, store what it can't until you reach a toxic level. That level is different for everyone. ...Read more

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Long term effects of diphenhydramine are what?

Dried up and sleepy: Why would you want to take benadry (the brand name for diphenhydramine) long term? Fagetaboutit. ...Read more

Benadryl (Definition)

Diphenhydramine is a sedating antihistamine which is a kind of antihistamine type drug (common ...Read more