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
 
 1  Hives Extreme drowsiness, weakness, severe body tingling I don't want to take this drug anymore. I couldn't sleep for nights because of the tingling pain, especially from my lower back to my lower extremeties. F 22 2 days
50mg 3X O
9/26/2020
 3  New Food Allergies Fast heart rate, dizzy, tired, forgetfulness, numb fingers, short of breathe. Blurry vision I used Benadryl nearly every day starting after I got sick in January with pneumonia, after I was sick I started developing food allergies I never had before, My throat would get so tight my mouth would itch so I would pop one of the gel ones (I don't take the dye ones because they make me break out) and I would be great. The problem is, this medication causes so many side effects my doctors have warned against me using this so much but I can't find anything else that helps with my food allergies. Its either let my throat closed up or deal with the heart palpitations and insanity that comes with using Benadryl long term. I'm also concern about how forgetful I've become, I can't remember what I did from one day to a next after taking Benadryl, I suppose long term will result in dementia. I know its a side effect, for continuous usage, I'll try switching to Zyrtec but I'm not sure if it will help the hives and itching, swelling etc like Benadryl. F 22 9 months
25
9/10/2020
Email
 1  To sleep I've had anxiety and was desperate to sleep and took 2 Benadryl the first night, one the next. I was in and out of sleep all night. If I dosed off, I'd startle awake with my heart pounding, not racing, pounding. I also had these weird shaky movements, thought if I went to sleep I'd die. My last dose was earlier, today, because I didn't realize it was the Benadryl causing all of the symptoms. So, now I get to have crazy tremors and anxiety and a racing heart until it wears off. F 49 2 days
25 to 50 3X day
8/4/2020
 1  Allergies, sleep Had the scariest results from taking it. Took it when I was younger no problem. Took it now, it made me super drowsy, Paranoid, severe anxiety, irritable, aggressive and depressed. I had muscle spasms at night, insomnia and every time I slept it felt like i was falling. Then I would wake right back up. It was so scary. Its day 4 after taking it and still having some anxiety and mild drowsiness. Would not recommend, try other meds for allergies and melatonin for sleep. F 27 1 days
25mg
5/8/2020
 5  Allergies, sleeping problems Drowsiness I’ve been taking Benadryl on and off for several years for my allergies. It has always been very good in helping to alleviate my allergy symptoms. 39 5 years
2 x 25
8/6/2019
 5  Hives Within 20 minutes felt euphoric, that subsided and gave way to EXTREME panic attack if I would try to sleep. It was like one long continuous panic attack that would wash over my body in waves. I would also jerk awake with it. 2nd time taking it in addition to these effects I felt cold, shaking, teeth chattering. I had to force myself to try to sleep, but once I fell asleep it was all good. Would sleep late and feel great in the morning. The bad effects seem to last about 2 hours or so. But I have to add I suffer from anxiety so it could be the medicine just enhances the problem I already have. Benedryl works to get rid of the itching and hives. I took it for 6 months in my 20's for chronic hives at the time and had no side effects. I took it again in my 30's for an unknown allergy and it made me very sleepy and groggy the next day. F 41 2 days
50mg 1X day
3/28/2019
 1  Allergic reaction to mosquito bites About an hour after I took it I felt like I had just smoked pot (without the munchies). It was awful. It was like I was dreaming while awake. This has happened to me the last 2 times that I took it. I hadn't taken it in years so not sure how it made me feel in the past. The 1st time this happened I had one vodka and soda before taking 2 Benadryl (50 mg total). So I thought that the reaction was due to an alcohol-drug interaction. The second time I only took 25 mg and no alcohol and drank a lot of water and I had the same reaction but I actually think it was worse the second time. I will never take Benadryl again. F 57 1 days
25 MG 1X day
7/30/2018
Email
 3  To help me sleep The next day I am sometimes in a daze and I get really irritated really easy and upset M 0 days
5/25/2018
Email
 2  Sleep Aid After using Benadryl for awhile I found it to be causing my RLS and now I noticed I have severe joint pain the next day and am very angry all day. I'm stopping it now. F 75 1 years
1X day
12/2/2017
 4  Severe seasonal Allergies So lately when I wake up in the morning and i take 1 pill, if I don't then I'll be sneezing a lot and have very bad itchy eyes, it has worked but I've noticed that I've not been having the best sleep (I take 2 before bed) and In the morning time during classes, I can barely keep my eyes open. I know on the side that it says "may cause marked drowsiness" and I've definitely been feeling that. I try to keep my eyes open but they just shut and when I re-open them it's so very hard to keep them open and they keep opening and closing Until I stand up... I'm kinda confused. It really helps but I can't focus on my studies nor can I stay awake during classes. This has become a big issue and so has sleeping. I find that I can't sleep until like 1 am or such after taking the pill 5-10 minutes before getting into bed. F 14 2 weeks
25 MG
5/8/2017
 5  An inflammatory infection and a bad Ongoing tiredness, but that didn't really effect me. Also, I started to hallucinate as I went to bed. I thought my pillow was faking on me and I heard and saw a shadow party going on in my room. Posters were on my wall and floating that weren't there before and I kept reaching for all these things, but I couldn't touch them. 3 total in one day F 16 7 days
25mg
4/2/2017
Email
 5  Addicted to the stuff M 21 1 days
30 mg
3/15/2017
 3  For My allergies Took it for allergies before bed. Woke up drowsy and the rest of the day I was tired and lethargic. First time this happens to me. F 38 1 days
1X day
3/8/2017
 3  Allergies keeping me up at night Took two of the pink ones and woke up with a bad headache headache lasted from Friday until today Monday. Did I take too many and If too many are taken can it cause severe headaches? F 27 1 days
30ml
3/6/2017
Email
 1  Seasonal allergies Insomnia,groggy, aniexty,mood swings and dizzy Lightheaded It worked for my allergies,but this morning felt all type of bad side effects... M 35 1 times
25mg
2/24/2017
 5  Calm skin rash and scratching Swollen prostrate, crazy dreams, difficult to pee, breathing trouble, confusion stopped cold, now four days later I can sleep just a bit. Initially when I stopped I could not sleep and was a zombie. Love/hate Benadryl. 2017 New Year resolution is to end Benadryl. M 67 15 years
30 1X day
1/6/2017
Email
 2  Allergy Depression the next day. Rage/anger feelings for no reason. Crying spells paranoia... Panic attacks... I used it for my eye allergies and it worked but the side effects are too strong for me. All of the negative side effects went away now that I have stopped taking it. F 31 3 days
25 mg
11/28/2016
 1  Counteract effect of headache drug Side effect - loss of taste - 49 days and counting: I was given this one-time injection to counteract the side effect of another medication. I was told that a bitter or metallic taste might be felt. That effect occurred immediately. To date, it has never subsided. Everything tastes bitter and strange! I had no idea that this taste side-effect might be permanent! I'm wondering if anyone else has experienced this and if it has ever abated for them. M 62 1 times
1X O
11/7/2016
Email
 2  Insomnia, allergies Next day drowsiness, nausea, heart palpitations. I used to be able to take 1 benedryl at night for my allergies, and occasional to help me fall asleep with no problems. But, lately I've been struggling with insomnia. I took a 25 mg pill, and it caused my heart to race. So, a week later, I took a 1/4 pill. I fell asleep, but woke up 2 hours later. Now, for about a week, I have taken 12.5 mg, and it did help with sleep, but I didn't feel good the whole next day. I have now realized that it was the benedryl that made me feel so bad pretty much the whole next day. I think I will just deal with lack of sleep a few nights, instead of feeling sick, with heart Palps the whole next day. F 53 1 days
12.5 mg
10/30/2016
 1  insomnia made me nervous, and gave me the jitters I tried this to help with insomnia, but it made it worse. F 53 1 days
1X day
10/30/2016

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