CLARITIN Reviews (LORATADINE)

Average Rating: 1.9 (1014 Ratings)

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 Type: Over-the-counter Drug

  

Results are sorted by length of time drug was taken from shortest to longest duration (reviews with no time reported listed first).

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 CLARITIN: Reviews Summary  |  Drug Safety Information

RATING  REASONSIDE EFFECTS FOR CLARITINCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
 
 1  sinus and lung congestion after flu agitation, and spaciness, the first day. Then, after that, sleep disorders, waking up at 3 am feeling like I was going to pass out or die- I have NEVER experienced such a frightening side-effect! ( Probably just my individual intolerance! But I didn't associate it with the drug, and so kept taking it. I ended up in the emergency room, with mental confusion, and a feeling of heart troubel, a pressure in the heart area. (would never take this drug again! One doctor told me that HE had had this type of reaction, also! ) It may not bother some people, but it should be noted that this set of side effects COULD occur!!! (dry mouth, agitation, panic attacks mimicking cardiac distress) F 49 6 days
4/17/2002
 1  Post Nasal Drip it took about 3 days to get into my system but it was great, no more post nasal drip, no more of the mucus in back of my throat. then yesterday on the 5th day i noticed my head was itching severly to the point i thought i had something wrong, when i had my mom look in my head, she noticed red dots then noticed red dots on my back, abdomen, one of my leg and few on my chest. i didn't connect the reaction i was having to claritin till reading all these posts. i believe i am having a reaction. i took one this am, but today will be the last day i take this medicine. oh i did notice heart palpitations as well on the 5th day. F 42 6 days
D otc 1X day
9/5/2014
 1  viral respiratory symptoms Caused blurry vision in one eye F 32 6 days
10mg
4/13/2014
 1  Rash on leg Leg pain and stomach pain Claritin is dreadful woke up first day after taking it very anxious and had a pain in my left leg and had to go to the toliet 5 times in one day. Day 6 and I've finally read up on it as I was wondering why my leg was in Agony I would advise anyone not to take it M 17 6 days
1X day
9/9/2020
 1  Allergies The first couple of days of taking Claritin, I was ok. I have been in remission of fibromyalgia for a year with mild flare ups a couple of times a month. Then on the fourth day, I woke up thinking I had meningitis or West Nile Virus because the pain was EXCRUCIATING! I KNEW! I KNEW, IT WAS THE CLARITIN. While it provided relief for allergies, the severe pain was intolerable . I told myself if I had to live like that, I didn't know if I could survive. As a result, a dark depression was present. After being off of claritin a couple of days, I'm slowly feeling better. I just hope everything goes back to normal. Thank goodness for this forum which provides an avenue to share our experiences, good or bad!! F 53 6 days
1 pill dai
9/9/2019
 5  Seasonal allergies Absolutely NO side effects. This drug is the greatest thing that has ever happened to me. How wonderful to have relief from the wicked results of seasonal allergies without the horrid side effects of all other medications, prescription and non-prescription alike, that I have used over the past 6 decades. I have tried them all. Not only did I have the side effects of the medications they usually didn't help all that much. F 61 7 days
30mg 1X day
8/30/2010
 4  runny nose None F 29 7 days
11/27/2002
 4  Indoor mold/mildew allergies Took Claritin (24-hr); developed ringing in the ears, unexpected (and totally unwanted) weight gain, constantly FREEZING, went from needing 7.5-8hrs of sleep/night to at least 10hrs, and some days I would be very mellow and unmotivated, other days totally wired and jittery. Claritin really helped my mold/mildew allergy symptoms (dark circles under eyes, puffy cheeks, nasty headaches). But, the side effect showed up so strongly after only 7 days of taking Claritin every day, that I've stopped taking it. My MD has now switched me to Allegra. F 40 7 days
3/5/2007
 4  pollen allergies I'm not certain yet that this is caused by the Claritin. I've taken it without side effects and good efficacy vs. allergies for the last 2 years. However, when I started taking it this Fall allergy season I began experiencing severe aches and pains all over my body. I cannot sleep because of the pain and it affects my work. The aches and pains reduce slightly during the day, but are pretty much constant. M 45 7 days
9/22/2009
 3  Allergies Please people-post in the right section. If you are taking Claritin D then you are taking the decongestant part of it. That's what the D is and that's the part that makes you freak out, anxiety, anger. I can't take D but it's hard to figure out posts on here when people are posting experiences with Claritin D and not just plain Claritin. Know what the hell your taking and posting on. All that being said-I don't react well to D at all. Jitterness, bad anger. The regular claritin seems the lesser of evils of Zyrtec and Allegra. M 36 7 days
11/19/2009
 3  constant congestion, bad allergies anxiety. spaciness. sleeplessness, and when i did sleep my dreams were vivid yet frightening at times. the dreams tended to portray unfavorable or eerie -- yet for the most part irrational and impractical every time. but they were always bad enough that i just had to wake up from them stay awake for a while while i grounded myself back onto reality. the pollen this year was obscene, so i started taking it. after about 3-5 days, the allergies were about 75% better. that's also where the side effects kicked in. like a previous poster, it seemed that come the tail end of the 24-hour cycle, allergies would be in high gear again. side effects were noticeable after 5 days. will be quitting soon. M 22 7 days
6/6/2007
 3  allergies Lethargy and lack of motivation at first, with occasional night sweats and strange dreams. Heart palpatations - check. Heart burn - check. Later, extreme vertigo and nausea. I occasionally suffer from seasonal allergies with itchy eyes, runny nose that eventually gets stuffed up and leads to chronic sinus infections, which is why I was looking for an allergy med in the first place. I've been using the regular 24hr. Claritin on and off for months, and if the side effects had just been some fatigue and night sweats, I probably could have tolerated it for longer as it did relieve my allergy symptoms. Last night, however, and this morning I was experiencing severe vertigo (room spinning) with nausea. I got so scared, I started to cry. I couldn't drive, I could barely get up and down the stairs without fear of falling. It's been almost 24 hours since taking it, and fortunately the symptoms have subsided. That's it for me and Claritin! F 32 7 days
8/7/2008
 3  Nasal congestion/deviated septum Extreme fatigue and drowsiness. I am also experiencing loss of appetite. I no longer feel any pressure in my sinus area and I am able to breathe comfortably. F 22 7 days
5/9/2005
 3  Allergies Extreme depression, overwhelming sadness, suicidal thoughts, extreme fatigue Claritin cleared my allergies right up. But on the days I took it I cried nonstop except while I was sleeping which was off and on all day. I forgot to take them for a few days, during which time my depression lifted. I took another pill today, and all my side effects came back and even worse as this time I had suicidal thoughts as well. (Keeping in mind I just suffered a personal loss that would make me more prone to depression, but I think the Claritin exacerbated those tendencies, because off of it, I am not nearly so weepy and definitely not suicidal.) F 41 7 days
10 1X day
6/17/2011
 3  seasonal allergies I've been suffering seasonal allergies since I was a kid. (30+ years). I've tried many remedies over the years. Claritin 10 mg in the past has been helpful for my sneezing and runny nose, but it didn't help the itchy eyes. When my allergies acted up this week, I started with Claritin 10 mg daily...but found it was wearing off at about 18 hours, and would take a second 10 mg dose. I still had some rough nights of sneezing and runny nose--which is not unusual with my seasonal allergies. The non-sedating antihistamines don't seem to work for me. The past few days, I noticed I had zero patience with my kids, which is completely out of character. They would ask a simple question and in 5 seconds I would get completely irritated--it was like an anxiety attack (tense). The simplest annoyances extremely bothered me. At first I thought the irritability was due to lack of sleep. But as it kept happening, I realized it was not sleep deprivation, it was something more. I began investigating wheter F 43 7 days
10 mg 2X day
5/16/2010
 3  Sneezing, sore throat, eyes burning SO depressed! This is not my nature. I am down on everything, my life, my kids, my friends, my job. I'm such a downer. I noticed that I go through this same roller coaster every spring when I take Claritin. I'm over it. F 34 7 days
10 mg 1X day
4/8/2012
Email
 3  inhalent allergies Painful feeling in left side. Finally had horrible, horrible, urgent diarrhea and gas several days after the pain started. Finally realized that symptoms started at same time I started taking loratadine. Bloated abdoment, painful to move or bend. was using generic/store brand loratadine. F 43 7 days
10mg 1X day
6/21/2013
Email
 2  seasonal allergies (allergic rhinit dizziness, hives all over the body, tightness in chest Taken off and on for periodic allergy attacks with some good results until lately. In the last two day- dizziness and full body hives (no other triggers). This is the first time I've taken the Wal-mart generic for Claritin. M 40 7 days
10mg 1X day
4/9/2012
 2  allergies, both seasonal and not None This did nothing for me. Like taking a sugar pill. Didn't help with my allergies, didn't give me any side effects F 48 7 days
10 mg day 1X day
11/24/2010
 2  cat allergies I usually take Allegra, but a few times I've run out before I could get the prescription refilled and tried Claritin. I tried this three times, each time about 3 months apart, and every time I got a severely sore throat about 2 days after starting with Claritin, and it went away 2 days after stopping Claritin. It has never worked for me as well as Allegra, but it does work a little without drowsiness if you can stand the side effects. M 31 7 days
2/27/2005

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