Drug Ratings for CLARITIN-D 24 HOUR

Average Rating: 2.6 (399 Ratings)

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    Charts & graphs: Reviews Summary for CLARITIN-D 24 HOUR  | Top 10 Adverse Effects (reported to FDA)

RATING  REASONSIDE EFFECTS FOR CLARITIN-D 24 HCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
sort down sort up F  M  
 1  Congestion, running nose Headache, irritable, nausea, dry mouth, cant sleep This makes me feel like death! Please dont ever take this! WAY too strong. F 37 2 days
5/16/2017

 1  Allergies Fatigue, severe constipation and nausea I have taken Clariton for years have recently started taking D. I can breathe better but thats about it. I haven't gone to the bathroom regularly since almost day 1. I'm miserable. I started looking up side effects today and found this website. Today was the last day I'm taking this. F 48 3 weeks
4/5/2017

 1  Throat Allergy nervousness, restlessness, insomnia. dizziness, heart palpitations, headache, increased sweating, difficulty breathing, unusual paleness and weakness. I don't recommend anyone to take this medicine, Not worth trying it for any reason. I've lived the worst 7 days of my life due to this, I'm still dizzy! M 33 2 weeks
2X W
4/2/2017

 1  Allergies INSOMNIA, DRY LIPS, NERVOUS, ANXIETY Will not use again considering I already have anxiety. M 28 1 days
10mg
12/8/2016

 3  Seasonal allergies Claritin D 12 Hour made my hair fall out Claritin D 24 Hour gave me severe migraine F 42 1 months
6/29/2016

 3  Stuffy sinuses, sore throat Jittery, faster heartbeat Didn't work until about four hours in, so definitely not impressed with that. When it did work, my nose still dripped but I didn't feel stuffy, so I tolerated it. My throat was still a bit sore, but I attribute that to the nasal drip which the Claritin-D did not do anything for. About six hours in I started to feel a bit jittery and my heart rate went up. I wasn't panicking about that, even though I have anxiety (thank god I found this and could easily diagnose the cause of my jitteriness) but it wasn't very pleasant. I won't use this again; I'll probably just opt for some good ole nose spray next time my allergies decide to attack. F 16 1 days
10 1X D
6/26/2016

 4  Sinus infection and severe headache Zero libido, major ED , problem urinating , wanna go all the time specially at night waking up 4 to 5 times at night to go to the bathroom, insomnia, Loss of appetite , weight Loss (15 pounds). I got cured but the side effects were terrible M 40 7 weeks
1 a day
5/22/2016

 1  Plugged ears, mucus, stuffy sinuses I've taken this before over the past few years to help with allergies and I've always been fine. But this time was horrible. I couldn't sleep all night, my heart was racing, I felt nervous even though I knew it was from the medication. Now I've got a headache. I won't be taking it again! F 30 1 days
4/28/2016

 4  Allergies Hayfever Now, some insomnia if taken right before bed and after 3-5 hours of sleep. This wasn't the case initially. Sometimes the feeling of a small mucus lump in the back of my throat. I've actually been taking the Costco generic (Allerclear) as it is much cheaper than Claritin D24. I only take it for 4-5 months in the spring and summer for hayfever. For the first couple of years I would take it at night and wake up feeling very well-rested unlike other allergy meds where I would have a very difficult time waking up. After using for a couple of years I would begin waking up after 3-5 hours of sleep and not be able to get back to sleep. Now, I take it in the morning. It doesn't get rid of all of my hayfever symptoms but it does help quite a bit. I wish it wasn't as controlled so we could get several boxes at a time. M 48 7 years
1 pill 1X D
4/10/2016

 5  Bad Seasonal allergies Medicine works but got shrinking testacles (blue balls) literally an hour after taking medice and lasted very long... Each time. Erection was effected but not completely. I am searching for something else unfortunately My eyes still itched a bit. Other allergy symptoms gone M 40 7 days
24 HR
4/1/2016

 1  Sinusitis High heart rate & palpations. Confused cognition, impatience, anxious, dread, panic. Never again F 55 1 days
240.mg
3/19/2016

 2  ALLERGIES/SINUSES Insomnia, anxiety, constipation. Medicine worked like a charm for my allergies and congestion . Made the mistake of purchasing the 24hr ones. I recommend the 12hr. I felt less side effects. I have a history of anxiety attacks and this lil pill was testing my limits. If you do go with the 24 hr one...take it forst thjng in the morning with food and lots of water. I mad the mostake of taking it in the afternoons. F 28 4 days
24hr ex-re
9/11/2015

 1  dust and pollen allergies I first started taking this drug at Coachella in April where I experienced the worst allergies I had ever had. I could not breath and my eyes were swollen and crusted shut. Within a hour of taking the drug, I felt immediate relief. My eye bags drained out and I began to breath. But I also felt hyper, anxious, and energized, as if I had just drank a ton of caffeine. My eyes widened and I had a dry mouth. I also had a loss of appetite. The side effects came over me in waves- I would literally feel a rush of good and energizing feelings, also slight nausea and dizziness, come over me at various points of the day- like taking Molly. It's strong, strong stuff. Later, I experienced insomnia, but I would try to take the 12 hr drug early in the morning so I wouldn't feel the effects by night time. I must admit that at first I loved the way this drug made me feel. I would get so much done, as if I had taken an adderal, and feel so alert and awake, plus never had to deal with my allergy symp However, I started feeling more insomnia and started having some anxiety attacks. I have had depression and anxiety before and can recognize the symptoms immediately. I felt down and "weird". I'd pace around my apartment feeling terrible and anxious and just cry. My dry eyes twitched. And when I would come down from the drug, at night, I would feel even more exhausted and hungry than normal. I became really dependent, addicted- fearful if I did not take it I would not get as much done the next day, or I would just feel to tired and not be able to breath, so I needed more....I'd take an extra pill (12 hr) to go out at night to stay awake. I seem to have gotten used to the drug in some respects- It no longer gives me a jolt, and I no longer feel good at all while I take it. Instead I am exhausted. I feel waves of exhaustion that just come over me. I feel like I am asleep but the drug is pulling my eyelids awake (and they twitch still). I feel depressed. I have been on the same birth control for years. But I think this pill does something to exasperate my hormones or my PMS symptoms. For the past 3 months being on Claritin, my breasts have swollen up so large and been so painful during my ovulation until my period is over. It is so uncomfortable that I cannot even exercise. I have also been constantly constipated and bloated. I retain water. I have been exercising and eating healthy as always, even overcompensating and eating less, and I've still gained 5 pound F 25 3 months
1X D
8/6/2015

 1  Sinus Severely depressed, anxious, nervous, dizzy and could not focus My day became a complete struggle from the moment this drug started working. Had to lie down most of the day as completing simple tasks was a struggle. Could not drive, focus, even holding a conversation was difficult. I would not reccomend taking this, couldn't wait for it to wear off!! F 30 1 days
7/16/2015

 3  allergies, plugged ears. Cleared my head of congestion which it was taken for, but was extremely jittery, could not think or focus, periods of extreme highs and lows in blood pressure! Aggitation and anxiety! Will not take again or recommend!! F 52 1 days
6/13/2015

 2  itchy eyes, nose and throat. Dry mouth, fatigue, shortness of breath, anxiety and a slowed heart rate. Not worth feeling short of breath and paranoid. I'd rather have allergies than to have to take this pill again. (NON DROWSY CLARINTIN) M 28 1 days
10mg
5/5/2015

 2  runny nose and eyes, sneezing, coug None that I know of! Been taking this for 7 days and my nose is running more now!!! F 63 7 days
4/27/2015

 3  Allergies - congestion First time taking Claritan-D - I kept waking up all night and woke up feeling jittery and anxious. Only took one pill and won't be taking anymore. M 61 1 days
24Hr. 1X D
4/16/2015

 1  Sinusitis Severe depression, withdrawn, anxiety, tremors, my cognitive abilities went out the window - simplest tasks like using an ATM became tough. Major ED. Zero libido. Use extreme caution when using this drug! The lucky ones are the ones that find these testimonials. Imagine those that don't! M 44 1 weeks
4/9/2015

 1  Ear congestion Insomnia. Slept for two hours and that was it. Up the rest of the night with rapid heart rate. The next day I was extreme fatigued, jittery, and dizzy. Do not take if you suffer from anxiety. Find other solution if you are sensitive to psuedoephedrine. F 23 1 days
1X D
2/1/2015

 4  Allergies Nose bleeding. After using for years (sometimes daily for weeks at a time) I am only recently getting some minor nose bleeding. Since I am experiencing other minor ailments due to age and I never got nose bleeds years ago, I conclude the minor bleeding now is more age than the drug, for me. Still intend to look for a replacement, maybe just a weaker dose. M 56 25 years
1X AN
1/23/2015

 4  Mucus in throat I read all of what a lot of people said and I was worried I'd feel the same as well; can't sleep, chest pain, jittery, but I was actually just fine, and slept well with no side effects F 21 1 days
9/26/2014

 4  Chronic sinusitis It helps my sinuses but dried out my eyes and lips. F 50 10 days
9/24/2014

 3  Allergies and Sinus After about an hour of taking. I did not feel like myself so I laid down for a nap. Afterwards, I felt great . I only had a minor head ache. When I went to bed that night I could not sleep, because every time I did I felt like I was having a panic attack. Now my chest just aches. Worked great for symptoms... F 21 1 days
1X D
8/28/2014

 3  post nasal drip and runny nose, Insomnia, have taken this for 3 days and have only slept 3 hours each night. Dry mouth, loss of appetite. Feeling withdrawn. Glad I found this site so I realized what was going on. Helped with post nasal drip and runny nose though not for the full 24 hours. Will stop taking it now that I realized why I am feeling the way I am. F 39 3 days
8/20/2014

 5  congestion and sneezing No side effects.. The only thing that works for me.. highly recommend. F 43 5 years
10
7/24/2014

 5  Allergies, runny nose, sneezing Energy boost, lack of appetite literally the ONLY thing ive ever taken that will actually work on my allergies. Plus, the extra energy is awesome! :) F 26 2 weeks
1 pill 1X D
6/8/2014

 1  sneezing I took claritin 24 hour, just a half a tablet due to sneezing. Within an hour I felt chest pain and heart beating out of chest. Called 911 and they said it was 150 bpm and the best I could do is ride it out. It took 15 hours to go back to normal. Never again, I'd rather be sneezing Don't take this product, not worth it. F 1 days
1X D
5/23/2014

 1  allergies Took before bed and within 2 hours I was wide awake! Still have not slept. Dry mouth, headache, upset stomach, insomnia, cold sweat. and my skin felt like it was crawing! (that feeling you get when you have a chill go down your back...imagine that on your entire body! It was AMAZING how well it cleared up my head congestion! Worked fast but not worth all the side effects I had, Ill take the congestion! F 43 1 days
10mg 1X D
4/25/2014

 1  Hay Fever Took it at 5pm Sunday evening, and it is 10:46pm Monday night and I still haven't slept..feel extremely jittery, anxious and sad..I found myself crying for no reason. To top it off my stuffy nose and itchy eyes are back!! F 34 1 days
3/11/2014

 1  To clear my congestion Feeling strange, anxious, angry, heavy chest, panic This is garbage F 51 4 days
once 1X W
1/19/2014

 2  congestion, allergies My boyfriend has taken claritin for years and its the only thing that works for him. So I decided to give it a whirl for my allergies. Wrong idea. I took it once and was up all night long, feeling as if my heart was going to explode, restlessness, jitters, headache, hot sweats, dry mouth. It was most likely the pseudofed but I have taken just plain pseudofed and have never had those symptoms!! For some it works and others get all the negative side effects but I know I'll never try it again. F 23 1 times
7/2/2013

 1  Allergies I took Claritin-D for my allergies then ten minutes later I had a huge headache that wouldn't go away so I decided to take aspirin. Now I had done some research before, if both shouldn't be taken together. There wasn't any big threats so I thought it'd be ok. Now within 30 minutes, let me tell you how fast my heart was beating. It was literally pounding out of my chest. I already have really bad anxiety attacks, so low and behold... my mind starts panicking and I'm on the floor feeling like my heart is going to just pop out. I'm not sure if both of the medicine made it worse? but I have taken Claritin-D before, and it has given me the same symptoms as I had today. It was just 10 times worse today. I felt like my head was floating all day, very dazed, every time I stood up I would fall back down from being so light-headed, had negative energy to do even the most simplest things. I just slept for a few hours and I still feel sick to my stomach. I hope this wears off soon................ Never taking again. F 24
1 1X D
5/31/2013

 2  Allergies Sore throat, dizzy, dry mouth, can't sleep or eat, ear ache, depression anxiety 35 8 days
30
5/19/2013

 3  Allergies Extreme dry mouth. Jittery. Started taking local honey and BAM no more allergies. A spoonful of honey is better than a pill. M 52 2 years
? 2X D
5/5/2013

 1  Allergies major erectal dysfunction!!!!!! Less than 6 hours of taking Claritin 24 hour pill, I lost all sexual sensation and a major case of ED despite all remedies. Very embarrassing. I wish I researched before taking this useless drug. M 40
1X D
4/18/2013

 5  Seasonal Allergies Constant dry mouth, occasional heart palpitations, occasional insomnia, occasional ED I LOVE this stuff. I used to live in a constant congested, foggy state during May-Sept allergy season. Would get debilitating sinus headaches especially if I drank any alcohol. But now I take the 24 hour Claritin-D every day and feel great. You MUST drink a lot of water EVERY DAY. And I give up coffee once I go on the allergy meds or I get heart palpitations. But it works so well for me that I got a prescription from my family physician so I can get 3 months worth at a time. Yes, there are side effects, but for me, they are FAR better than the allergies! M 51 6 years
1X D
4/15/2013

 3  Itchy eyes, nose, and throat. Claritin worked great for my allergies. I was in love with it until I started experiencing other unnatural woman problems. I could finally go a day without being miserable from allergies, but my sex life was on 0 for an entire week. This isn't like me and my bf was kind of concerned as well as myself. I was just having vaginal dryness, which made anything sexual unpleasing. I thought it was a coincidence, but then I found that a few other women were experiencing the same problems! If you are a woman without a sex life, I'd recommend claritin any day. Maybe it's my fault for not drinking enough water while on this medication, but either way, it's my only complaint. F 20 3 weeks
10 mg
2/16/2013

 4  Allergies Taking Claritin Dx24 hours Cleared me up within 2 hours and put me in a good mood the whole day. Work was way less stressful. I use this off and on for years when when needed and I have never had an issue with it. M 30 2 years
10 MG 1X D
11/30/2012

 3  Seasonal allergies ED first time taking it caused problem within first few hours of taking claritin d. Wife understood but it got me thinking if it could be the claritin so I did a search and found this site. M 35 1 days
1X D
10/21/2012

 1  Allergies and flu type symptoms Insomnia, hardly had any sleep. It's 2:30 am and I feel like my heart is racing so fast. Heart rate varies between 115 and 140 for the last 12 hours. Very tired. Cold and hot. Very anxious. I would not recommend it if you anxiety. It's almost anxiety on steroids. Very paranoid that I am going to die. Pacing all over the house. . M 42 1 days
10 mg
9/6/2012

 2  allergies Insomnia, and high heart rate. Went from birthday 68 to 105, safe to say I'm done M 21 4 weeks
1 X D
8/11/2012

 1  Sinus infection I took a pill yesterday at 7:30 am. All day I was jittery, anxious, and not feeling myself. Was not able to sleep at all last night. Had hot and cold spells, especially my legs. Having feelings of dread and sadness. My heart was racing and I couldn't stop moving... Won't take it again! What a waste of $20. F 33 1 days
10 mg
8/11/2012

 3  allergies Jittery, mood swings, insomnia, increased heart rate F 17 7 days
8/6/2012

 3  Bad allergies When I first took it I had slight relief nothing to brag about. The second day the relief got better then the third day it worked even better. Even though the third day was better, I still had a stuffy nose. Not to mention on the third day I was light headed and had a very dry mouth!! After I had those symptoms I stopped immediately! I will find another allergy medication to take. F 27 3 days
240/10mg 1X D
8/5/2012

 1  year-round allergies high energy, suppressed appetite, rapid heart beat, decreased libido, dry eyes, dry mouth, chronic constipation (despite regular exercise), depression, anxiety, mood swings, withdrawal from life. When I first started taking Claritin-D 24 hour, I loved the energy, lack of appetite, and focus/mental clarity that I had. It also did wonders for my allergies—I could finally breathe. After 3 wks of being on it though, all the negative side effects hit. The deal breaker was the plummet in libido. I'm willing to sacrifice for my allergies but not when it compromises my sex drive. Glad to hear I'm not alone. F 28 2 months
1 pill/day 1X D
7/30/2012

 3  allergies Hyperactivity, jittery, restless, energetic, high In my youth I tried several drugs like ecstasy and meth but haven't touched them for at least 10 years. I took my first claritin the other day as I have been really stuffed up in the mornings due to possible allergies. I took the first one at about 5pm and then went to my jiu jitsu class at 6:30pm. Best class I've had in a long time - I was energetic, excited and basically high. I couldn't sleep very well that night, was restless and unable to deeply sleep which is highly unusual for me. In short, I felt like I had done some meth or speed-laced E again. F 35 5 days
1X D
7/12/2012

 1  year-round allergies It works SO well for allergies, and I enjoyed it as an appetite suppressant. But I finally realized that it's been responsible for painful vaginal dryness (sex was almost impossible, even using tampons was unpleasant), really bad mood swings and irritability (especially during PMS time, which has never been a problem for me before), lower libido, and a drastic decrease in athletic ability/performance (it's like I suddenly had no cardio conditioning or muscle strength despite working out intensely my entire life). Now that I've stopped taking it for a couple weeks, these things are beginning to subside, but now I'm horribly exhausted all day every day. I'm trying to compensate with caffeine, but it's not really working (and I don't want to be addicted to that either!) So now I'm perpetually tired and suffering really bad allergy symptoms. This is a dangerous product, at least for some. They need better warnings about this stuff. F 26 2 years
1 pill/day
7/10/2012

 4  Allergies Insomnia when I first started taking it. I slept well for 3-4 hours, but then woke up wide awake and ready to go. If I miss even one dose, I am EXTREMELY fatigued the next day. I've tried taking a medication holiday when I'm in a low-allergy location, but the fatigue makes this impossible. I wish there was another med that is as effective as Claritin-D for me, but I haven't been able to find one. :( F 52 5 years
1 pill 1X D
6/21/2012

 4  Allergies I've been taking this drug for allergies since my 20's, usually from mid march thru April. Worked great until this year, maybe because I've gotten older, but I've had major nervousness and dry mouth slurred speech, real panicky. Guess its time to find something else M 34 10 years
4/11/2012

 1  Severe Allergies Severe mood swings, ear ache, inability to concentrate, a vicious cycle of a cold then warm feeling, paranoia, restlessness, insomnia, constipation, dry mouth, rapid heart beat, an overall despondent feeling I would not recommend this drug! F 27 7 days
1X D
3/11/2012

 1  seasonal allergies I've been taking this product for many years off & on depending on severity of allergies. But, recently I've been experiencing some weird feelings, like out of body, dizziness, lightheadeness, sweat while sleeping. I noticed the days I don't take it, I feel normal so I'm related it to this product. Although it does do wonders for my allergies, not worth it. M 33 4 years
10mg
2/23/2012

 1  Sinus Infection Dizziness, Anxiety, Clammy Hands, Racing Heartbeat, nervous, jittery, feeling like I'm loopy, confused, fear. Seriously I would NEVER take this stuff again I thought I was going to have a heart attack & die. If you have anxiety like I do it makes the anxiety SO intense that you feel like your loosing it. I don't recommend it, it's a very scary substance to be on. Drink lots of fluids, eat as much as you can so that it rushes it out of your system, if need be GO to the ER. F 33 2 days
30 1X D
2/14/2012

 5  Sneezing, itching runny nose. None so far, I took it at 11pm thinking 24hour ment usable 24hours and my must suggested after I take it, it can keep you awake, so I came online and saw if ou take too many it makes you feel drowsy so I'm like it's fine, then I came to this site and I was like hmm crap, so I quickly tried to get to sleep, I could kinda see it was trying to keep me awake, making my brain think about too much, but I just laid back and relaxed and went to sleep. Good, I'll use it again, although I'm worried about what people say about fatigue, I just woke up, so I don't know, it's 24 hour, m nose is still kinda full but not itchy runny or annoying, and if it does wake me up and keep me jittery than great! I wont be falling asleep of feeling tired during the day! M 14 1 days
1 tablet 1X D
1/15/2012

 3  allergys and stuffy nose Helps with allergies but not my stuffy nose...Insomnia, restless legs, makes me very thirsty, somewhat jittery, also has given me some depression, crying spells etc still able to get an erection atleast lol glad I found this site I was quite worried as to why I couldn't sleep and dry mouth M 25 2 days
1/5/2012

 2  common cold Took it around 7pm an its 300 am in the morning an still wide awake..dry mouth...don't recommend to anyone! F 27 1 days
10mg
12/23/2011

 2  allergies Minor erectile dysfunction I wish l found this out before my wedding anniversary M 32 3 days
30 1X D
9/25/2011

 1   ED, Hyperactivity, Insomnia This medicine worked extremely well to clear up my constantly stuffy nose. But it made me so hyper I could not sleep, even when I took it in the morning. The ED was not a huge deal because my wife never wants sex anyway. The biggie, though, was that after I stopped it, my nose became so dry and caked with mucus that I have had to wet it and blow hard, one nostril at a time, into the sink several times a day. Kleenex and Q-tips are not sufficient. This has gone on for 6 months. M 60 14 days
1 pill 1X D
9/1/2011

 1  Allergies Erectile dysfunction For allergies work great M 47 2 weeks
1X D
8/29/2011

 3  Flu/Cold Congestion Extreme Bloody Nose My very first time taking this stuff resulted in a pretty severe bloody nose. About two hours after, I felt EXTREME pressure building up in my sinuses... and then it suddenly dissolved (more like 'popped'), but that's when a huge gush of blood poured out of my nose and all over my shirt (I had absolutely no advanced warning or time to grab the tissues). A few minutes after that, a giant bloody sack came out after that and the bleeding stopped. I swear it was the lining of my sinuses. I know it was from the Claritin because I hadn't had a bloody nose since I was 8 years old. All of that said, it DID clear up the congestion. I think perhaps I had this reaction because both of my second molar's roots protrude deeply into my sinus cavity, so if you also have that going on you might experience the same thing. Therefore, I'd advise everyone to only take this when you absolutely cannot stand the congestion anymore... and to keep plenty of tissues handy, just in case. F 21 1 days
10mg 1X D
6/25/2011

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