BENADRYL Reviews (DIPHENHYDRAMINE HYDROCHLORIDE)

Average Rating: 2.9 (608 Ratings)

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Key to Ratings: 1=LOW (I would not recommend taking this medicine.)
5=HIGH (this medicine cured me or helped me a great deal.)

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More on BENADRYL: Reviews Summary  |  Drug Safety Information

RATING  REASONSIDE EFFECTS FOR BENADRYLCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
 
 3  insomnia The main and more noticeable side effects were frequent urination, mild ringing in ears, drowsiness (obviously), heart fluttering and strange feelings. I've taken generic benadryl on and off for a total of three years, and for a long time it really helped my insomnia. I thought it would be a much better solution to my sleeping problems, instead of relying on "heavier" medications that are highly addicting such as Xanax. Lately, I've noticed symptoms that I had not noticed when first taking it. Now, whenever I take it I sometimes feel my heart fluttering (sorry I don't know med-speak so I don't know the exact term). Also, I fall into a deep sleep for a good four hours, and wake up at around 3:30 AM, unable to fall back asleep and feeling like I've slept for 15 hours. Yet, throughout the day I am still groggy, and sometimes feel a sort of strangeness that's somewhat hard to explain. The best word to describe it is dissociation, not feeling exactly like yourself and that something isn't right. I'd only ever recommend taking this rarely, and at half the recommended dosage. Seems like it's simply not worth it. As one person said, I'd rather lay in bed awake with insomnia than hurt my body and feel loopy all day the next day. Perhaps one person was right and said it could be a reaction to the red dye in tablets. Still, not worth it in my opinion. M 34 3 years
1/22/2010
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 1  insomnia grades down, tired, eventual loss of appetite and fluid intake. HORRIBLE! seemed subtle at first....loss of appetite and fluid intake.... which can lead to critical sodium level decline....which can lead to seizure. the experience was frightening F 21 1 years
1/20/2010
 3  allergic rhinitis muscle twitching in legs at night, and have had muscle twitching in neck like a "tic" for YEARS after taking this medication F 45 1 days
1/17/2010
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 5  Sore Throat over a year I have only experienced VERY GOOD side effects with this drug. After multiple doctor visits, trying different drugs, and having tests run, no one could help me with my sore throat for over a year. I couldn't sing in the choir at church and have had pain with speaking. Then I found the Costco generic brand of Benedryl and tried taking that 3-4 times a day. It has 400 pills with 25 mg of generic Benedryl, all for about $3.00. After two months I am back in the choir and can sing praises to the Lord with a full singing voice and no pain after practice. The drug also has a great way of making me feel happy, content, and at peace with the world around me. I am normally a very high energy person and this drug calms me down and just makes me feel so happy. They really don't make me sleepy during the day because they also help me sleep much better at night. I get a good night's rest without waking up in the middle of the night so often. So for about 3 cents a day, I sleep good, I can sing again, and I feel downright happy. This drug is a huge answer to my prayers. However, I can see if you don't normally have high energy, it could make you feel depressed. It just makes me feel normal. I read that it calms the brain and that is very true in my case. I took it to help my sore throat and had no idea that it would be helpful with other problems. F 43 2 months
1/13/2010
 2  Relieve severe contact dermatitis Was admitted to the hospital, they gave me Benadryl by IV. A few moments later my mouth became dry, I could not breath or swallow and my whole body started to shake. Had to stay under observation for 18 hours afterward to make sure I was OK. Might be a great medication for others but as it turned out I am highly allergic to it and now have to wear a medical alert bracelet. F 57 0 days
1/8/2010
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 1  Insonmia I took benadryl for 3 or 4 years for sleep.That help to sleep but about 15 dayas ago start bleeding my nose lately and chest pain , I went to my doctor and she told me to take EKG.I did now I have left posterior fascicular block , that's mean my left electrycal branch isn't working , so the Doctor told me to STOP taking benadryl because could be the reason to affect my branch, I have to go back in 3 weeks for another EKG to check if I'm better with out the BENADRYL , I hope so. I NEVER TAKE AGAIN . M 30 4 years
1/8/2010
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 1  allergic reaction to antibiotic Initially took for reaction to antibiotics (swelling of the tongue) - after taking Benadryl, experienced further swelling of tongue, lips, throat, ear canals, airways, plus rash on upper body, dizziness and flushing. I took (generic) Benadryl on the advice of doctors/nurses after having an allergic reaction to amoxicillin. I took it 3 times before realizing my symptoms were actually getting worse about 1-2 hours after taking it. Of the eight or so doctors/nurses that I talked to while being treated, only one knew that some people react to Benadryl or to the red dye in the capsules. The rest of them treated me like I was nuts when I told them I thought I was allergic to Benadryl. If you have to take it, get the kind without dye or preservatives. M 43 2 days
1/8/2010
 1  Allergies INTENSE ringing in my ears. M 53 3 days
12/26/2009
 5  allergies drowsiness F 50 20 years
11/29/2009
 5  Itchy In the morning very tired, give me a headache from time to time but made me very depressed and I'm already suffering from depression. My Effexor medication for depression does not work with Benadryl. F 45 3 days
11/25/2009
 5  for insomnia possibly not able to have a climax this med works perfectly for me. There were times in the past that in the morning I was groggy. I stopped taking this for a year and now I'm on it again. I notice I have trouble with climaxing...it takes forever! I don't see anybody else reporting this and wonder if it's just a coincidence? F 65 10 years
11/18/2009
 1  sleep aid lethargy the next morning at first, then: ringing in the ears, heart palpitations, hives/skin rash on face and neck, shortness of breath, brain fogginess, feeling unreal, loss of appetite, weight loss I thought diphenhydramine was a God-send for my insomnia, especially since I found so many of my friends take it also as a sleep aid but I have had odd symptoms/side effects since beginning to take it regularly that I didn't realize are likely being caused by this medication. Especially I have been suffering a hive-like skin rash for about a year and a half on my face and neck, treated by an dermatologist to no avail. I want to stop taking this altogether although I don't know if I can suffer lack of sleep. F 45 2 years
11/9/2009
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 1  sinus problems Shortness of breath, weakness and heart palpitations. I felt like I was having a panic attack. I will never take it again. F 55 1 days
11/6/2009
 3  sleep aid somnolence, prolonged qt interval please be advised that benadryl (diphenhydramine) is a QT-prolonging drug, and can cause dangerous heart rhythms that can lead to DEATH in patients with long qt syndrome. if benadryl is causing you heart palpitations, you should DEFINITELY get checked. if you do not know for sure whether you have this LQTS (even if you have no symptoms), please talk to your doctor, as the first symptom is often SUDDEN DEATH. a simple ekg can help diagnose it. i took benadryl every night for sleep for years, and thought i had no problems with it, but can no longer take it because, after 3 cardiac events, i was finally found to have LQTS. at any point, benadryl could have pushed my heart into cardiac arrest. loved it, until it almost killed me! F 32 6 years
11/1/2009
 3  Insomnia Very dried out. Need to run a humidifier when taking it. Sinuses irritated now. Did make me drowsy. Can't say if it helped with allergies, i take zyrtec everyday and am happy with that. Very drowsy the next day from this stuff, took it for a ltitle while when i stopped ambien. Works good for helping to fall asleep, however not worth the next day drowsiness and terrible dried out sinus feelings. But that's me. Also, feel derpessed and a little anxious the next day. M 39 1 weeks
10/9/2009
 3  Insomnia Pain in chest when I swallow or cough. Feels like i have a lump in my throat. This is a new side effect since I have taken Benedryl for years for allergies and insomnia. F 37 3 days
10/6/2009
 1  allergic reaction, tongue swelling almost passed out; short of breath, limbs were numb and heavy, severe drowsiness, lightheadedness....3 days later the lightheadedness has not gone away. Also have tingling in arms and legs, difficulty concentrating I wish I would have never been given this drug! I feel out of touch with reality! F 30 1 days
10/4/2009
 5  Allergies Some drowsiness or head floating feeling. The side efects for me are nothing compared to being miserable with allergies. I only take it from time to time but have used it for like 20 years. I am still completely functional when taking this drug. M 35
9/29/2009
 1  for my allergies i felt as if something was stuck in my throat around 2 hours after taking benadryl. I felt dizzy in class and could not listen to anything , i'm nervous for no reason and now i know why. I would never recommend this product to anyone. Don't buy this !!!! I now take claritin or Zyrtec. F 15 1 days
9/23/2009
 4  allegy, sleep problems drowsy If I take it at night, it solves both of my problems - I can breathe and sleep! M 55 1 years
9/22/2009

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