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
 
 4  Allergic reaction I have hives and have been taking benadryl for the itching. My doc said it was fine to take as much as needed. I have been taking 8 to 9 a day for 6 weeks and my stomach has been hurting non stop for 3 days. Not sure if benadryl can cause a stomach ulser but I stopped taking it yesterday just in case F 2 months
7/25/2015
 1  allergic reaction Head tingling, anxiety, heart racing, face pressure, sick stomach, nausea, head pressure, frequent urination I had an allergic reaction to a bug bite, went to hospital and they gave me a shot of benadryl. I felt fine for a couple hours, then had extreme head tingling/freezing feeling and a panic attack. I thought it was benadryl wearing off and the affects of the allergy, so I continued taking 50mg of benadryl every 6 hours for the next 3 days. My anxiety got worse, my heart would randomly start to race, and my head continued freezing/tingling. I stopped taking drug almost 3 days ago and I still dont feel right, although I am slowly getting better. I have been scared and anxious on this drug. Not cool. F 34 3 days
50mg
7/16/2015
Email
 1  Allergic reaction Took one of these after I realized I was allergic to salmon after eating it the first time. I only took one but after 10 minutes I got an anxiety attack, uncontrollable shaking for hours, numbness throughout my whole body, dizziness, and my heart raced. Scariest thing that's ever happened to me and I will never take this again. It's been 24 hours and I still feel numb and out of it. Would not recommend this to anyone F 18 1 days
7/11/2015
 5  Anxiety/Sleep Aid None other than occasional delay/absence of causing sleepiness. This has been a miracle drug for my anxiety issues. The doctors tried me on many prescription drugs and all of them either did not work at all or had side effects I could not tolerate. I have never had a bad/negative experience with this medication. F 32 6 years
75 MG 3X W
7/10/2015
Email
 1  Insomnia Dizzy, ringing in ears, jittery, diarrhea, This stuff is TOXIC. I took it 3 days ago and the side effects are still here. I want to feel normal again. F 64 2 days
25mg
7/3/2015
 1  Hayfever Drowsiness, heart palpitations, severe anxiety, tightness in chest, breathlessness NEVER AGAIN...... I took the Benadryl one a day tablets for 3 days for hayfever. By day 3 I felt I was going to have a heart attack.... I had severe palpitations, racing mind, agitation and severe anxiety.... I will never touch this drug ever again!!!!!! F 44 3 days
10
7/2/2015
Email
 1  To get high When you trip for 4 days off benadryl and don't take it you have several hallucinations but they are horrible and dark bad hallucinations I got the worst and most terrifying trip of my life M 17 4 days
100
6/26/2015
 2  Help sleep with a cold I wanted to be able to sleep without waking up feeling awful since i have a cold and runny nose. I'm 24 weeks pregnant and an hour after I took the medicine i couldn't stay still, feeling like I was having a anxiety attack F 18 1 days
6/4/2015
 5  All sorts of reasons Sleepiness (GOOD SIDE EFFECT) God didn't turn water into wine, he turned it into Benadryl. This is the best drug ever. Allergies? Benadryl. Can't sleep? Benadryl. Motion sickness? Benadryl. Restless? Benadryl. Anxiety? Benadryl. It's like a Swiss Army knife for any problem. M 17 10 years
50
5/29/2015
Email
 2  itch from rash Dizzy and upset stomach 63 1 days
25
5/25/2015
 1  sleep I've taken benadryl in the past and it has usually worked fine with me. This time I took it and the next day I had body aches all over and felt extremely lethargic. I took the pill over 24 hours ago and I still feel the same way. F 22 1 days
25mg
5/12/2015
 1  allergies Severe dizziness I've taken Benadryl before with no side effects but I took it last night for severe allergies, slept soundly, and then felt terribly dizzy in the gym the next morning. I could not walk straight. Dizziness continued during the next day. F 52 1 days
1X day
5/9/2015
 1  Allergies Dizzyness, sleepyness, high anxiety, shaking, heart pressure, generally unfunctionable as a human I had a bad allergy outbreak. Took the first pill and slept for over 12 hours. Took the 2nd pill at 6 am the next day. By 8:30 am I was shaking and very dizzy. Went to the nurse and my blood pressure was elevated to 203/120. I was sent home. This drug is DANGEROUS. I am still having side effects over 24 hours later. M 44 2 days
25 MG 1X day
4/30/2015
 1  Help sleep I was told to take Benadryl for my insomnia during pregnancy- it did the complete opposite. Racing heart and anxiety F 34 4 days
25mg
3/12/2015
 1  Sleep problems Ringing in ears, fast heart beat, numbness in fingers and toes.VERY tired and confused. I cant think clear. RLS. I will NEVER take this again F 57 30 days
25 1X day
3/10/2015
Email
 3  I woke up with a runny nose and sneeze Took one pill early Am and Kept forgetting everything all day such as car key, phone, my whereabouts, my neighbor just done texting me telling me she left dinner at my front door and I went to restaurant and forgot her text. I am scared to death. I don't know what to do or say. Took them in the past but never experienced anything like today F 45 1 days
25 mg
3/8/2015
Email
 1  Hives I only took one tablet of Benadryl for a rash and it took nearly 16 hours for side effects to wane. I experienced a heavy, foggy head for the duration. Rather than make me sleepy, it gave me anxiety and insomnia. Next time, Claritin. It's the only antihistamine that doesn't wreck my brain or stomach. F 44 1 days
25MG
3/3/2015
 1  Mild allergy This drug is DANGEROUS. I had (am still having) a horrific and severely uncomfortable experience with it. Two nights ago I felt like I was having some allergy symptoms, I took 25 mg of Benadryl and went to sleep. I woke up shortly after with my heart racing and in sheer panic, I thought the allergy might have been coming back, I took another 25 mg of Benadryl. I then started to feel like I couldn't breathe, my body was shaking uncontrollably and I was rashy (I didn't realize then that this was a reaction to Benadryl). I went straight to the ER. I told them I was having an allergic reaction and I had taken 50 mg of Benadryl, they administered 50 mg more of Benadryl through IV. Once it hit my system, my vision became extremely blurry, my body felt extremely heavy and like I was endlessly falling through the bed, I was sweating profusely, and my heart was racing. I couldn't speak to tell the nurse. I started having vivid nightmares while my eyes were still open. I was shaking and unable to move or speak. I felt like I was dying. I could not think clearly, and my scalp was crawling. These symptoms eventually subsided and I went home. Yesterday and this morning, I have been having waves of severe symptoms where I can't walk, see, and speak. I sweat, heart races, have diarrhea, legs twitch and tingle. I am still groggy and foggy brained. I know doctors can't do much about it because my vitals are fine so I have to ride out my symptoms and allow my body to detox THIS DRUG IS POWERFUL. THERE ARE OTHER MEDICATIONS FOR ALLERGIES . DO NOT TAKE THIS DRUG. EVEN IF YOU'VE NEVER HAD BAD REACTIONS TO THIS DRUG IT IS STILL EXTREMELY DANGEROUS. F 24 2 days
50 MG
3/2/2015
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 5  Sleep The side effect that I'm concerned about is very light Electric like shockwaves that run though my boby. The best part about taking Benadryl is that my mind goes blank. M 33 1 days
50
1/23/2015
Email
 5  Allergic reaction to antibiotic Had an allergic reactic to an antibiotic so took Benadryl oral liquid. Non drowsy formula. Suffer from asthma and COPD breathing was bad with wheezing so took benadryl. After just 15 to 20 mins I began to feel better. Half an hour later the wheeze had gone and breathing much improved. It seems those with reactions have taken high Mils like 30mg and so on. Mine was 1% and yes it helped a great deal from nearly going to A & E with a severe asthma attack, to wheezing gone after half hour of taking this and two puffs of ventolin later in case. F 54 2 days
1 mg 1X day
1/9/2015

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