Doctor insights on:
Benadryl Long Term
My son has been taking excessive amounts of benadryl, (diphenhydramine) 12-20 pills at a time, to get high. What are the dangers, & long term health effects?
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
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 moreSee 2 more doctor answers
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
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
Daily use of Benadryl (diphenhydramine) for sleep aid on a 16 month old. Are there long term side effects?
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