ZYRTEC Reviews (CETIRIZINE HYDROCHLORIDE)Average Rating: 2.0 (1816 Ratings)Filter ResultsCompare ZYRTEC with similar:
Type: Over-the-counter Drug
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Results are sorted by Age from youngest to oldest (reviews with no age reported listed first). Key to Ratings: 1=LOW (I would not recommend taking this medicine.) Page: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 |
More on ZYRTEC: Reviews Summary | Drug Safety Information
| RATING | REASON | SIDE EFFECTS FOR ZYRTEC | COMMENTS | SEX | AGE | DURATION/ DOSAGE | DATE ADDED |
| 3 | Hives | Weight Gain! | I have been taking zyrtec for six months and was wondering why I was gaining weight so fast. Weight gain was not listed as a side effect. I put on 20 pounds in six months and I was trying to lose weight (exercise and low calorie). This drug was great for the hives but now I have to fix another problem...the weight. I wish I was aware of this before taking this drug. | F | 33 | 6 months | 6/27/2007 | 3 | Allergies | Itching all over, head felt like scalp was bleeding (wasn't), redness in skin where itching, total, complete chaos. Nearly panic situations during the worst of the withdrawals. Prior to stopping, lethargy, depression, weight gain. I'll take a sneeze every now and then, thanks.. | It does help with my allergies. Now on singulair and asmanex for asthma and allergies. Within 24.5 hours, itching began. Never really connected the dots to 'withdrawal' symptoms, but I have had this happen enough to know for sure it is the zyrtec. I will never take it again as a result, it is just not worth it. | M | 33 | 3 years | 10/29/2007 | 3 | allergies | Low white blood count. | The drug works, but I do not want to risk walking around with a low white blood count. No Thanks! | F | 33 | 5 months | 10/7/2008 | 3 | seasonal allergies | increasing drowsiness, fatigue and mild depression after two months | very effective in treating seasonal allergies and even irritable bowel symptoms but drowsiness and fatigue becoming more severe Will try a lower 5mg dosage and see what happens | M | 33 | 3 months | 12/22/2004 | 2 | allergies/sinuses | very irritable, anxious, depressed, dry mouth(very thirsty) | my boyfriend who is 33 started taking zyrtec and within a week my very caring and understanding guy became very irritated with me and he was angry about everything. he finally told me one day that he thought something was wrong, that he felt depressed and very irritable with everything- work, his daughter, me. we suspected it might be the medicine because a guy at work told him that when he took zyrtec is made him mean. needless to say i read all the other comments on this site. he quit taking it yesterday. | M | 33 | 2 weeks | 7/27/2005 | 2 | Severe Allergies | I posted here about 4 months ago. At that time I had a couple issues with the drug. Now I have a bunch... Uncontrollable eating, sleep issues, drug doesn't seem to do much anymore, mental health issues (depression, anxiety, irritability, etc...) | Initially I was very pleased with this drug. I seemed to have had a couple of side effects. I seem to have developed many more side effects. Also the drug has already seemed to have lost it's potency. I'm smack in the middle of the Spring allergy season, and I'm misserable. Constant sneezing, wheezing, itchy, etc... It's like I'm not taking anything. | M | 33 | 10 months | 5/3/2007 | 2 | extreme allergies | IRRITABILITY. I have been a pretty calm, easy-going person, but in the two days I have been taking Zyrtec, I have become easily irritated by the most benign things. I am definitely not myself. | works great for my allergies, but I don't know if I want to deal with the side-effects. | F | 33 | 2 days 1X day | 8/18/2010 | 2 | Seasonal allergies | fatigue, irrational thoughts, anxiety/paranoia | I took 1 pill 2 days ago, about 1 p.m. About 15 minutes later, my heart raced for a minute or 2, then a weird sleepy/calm/mellow took over. I felt better, but tired, the rest of the day. Yesterday and today (still!), I have been super exhausted and had oddly anxious and paranoid thoughts. I had to go to bed at 9 p.m. last night because I could not stay awake any longer. I will not be taking this again. | F | 33 | 1 days 10 mg 1X day | 3/2/2011 | 2 | Itchy Skin Rash | Very sore throat, lethargy especially in the mornings, mild depression, that I didn't realise was depression...a very strange feeling of dissatisfaction with everything and everyone around me. | M | 33 | 21 days | 12/6/2005 | 2 | seasonal, indoor&outdoor allergies | Never again... turned me into a zombie. Too tired to get out of bed! | F | 33 | 1 years | 11/9/2012 | 2 | Seasonal allergies | Heart racing, shortness of breath, nausea | Zyrtec is the only antihistamine that has ever controlled my seasonal allergies, and I was thrilled when it finally went OTC (haven't taken it in a looong time because it wasn't covered by insurance and was too expensive). I've been taking it for 2 weeks now, and while my allergy symptoms are gone, I have had multiple episodes of heart racing and shortness of breath. After reading all these reviews, I will stop taking it immediately and hope I have not done any permanent damage. | F | 33 | 14 days | 6/14/2008 | 2 | Allergic reaction. Rash on arm | Awful side effects. Gets rid of my rash but raised my heart beat for a good 3 minutes. Was scary. Extreme dizzyiness couldn't stay stood up. Tiredness on another level. Felt confused and didn't know where I was. I have a underactive thyroid and already have minor anxiety issues so this med probably just caused my anxiety to get worse. | M | 33 | 7 days 10mg | 7/23/2018 | 1 | Allergies | Suicidal thoughts, exhaustion, crying, loss of appetite, sore throat. | I have not experienced depression symptoms onset to this degree in over 6 years. I went from having a normal/content mood to delusional beliefs within 3-4 of taking this medication. I thought my family and friends hated me and my husband did not care about me, fantasized about not being alive, cried throughout my workday in the office, and could hardly get off the couch the day I worked from home. I lost my appetite completely and lost 4 lbs within the week. Thankfully, a lightbulb went off and I realized Zyrtec was the only change in my routine. It seems ridiculous it look a few days to recognize this correlation, but my brain was not functioning normally. Very foggy and confused. My symptoms alleviated within about 48 hours of stopping the medication thankfully. Maybe this medication is great for some, but there should be more warnings visible to be aware of mood changes. | F | 33 | 6 days 10 mg 1X day | 6/8/2023 | 1 | allergies to pets and pollen | I started giving my 4 year old son zyrtec 2-3 weeks ago and within a day or so he started refusing to eat and saying his stomach hurt every day. He has also been very clingy, saying weird things all the time. He has been very tired and always seems sleep deprived. I can't believe how many complaints I have found online about this drug and its effect on children's behavior. I will never give him zyrtec again. | F | 33 | 14 days | 3/11/2009 | 1 | seasonal allergies | I was a zombie 24/7. Couldn't function and it was affecting my mood. My two-year old who is normally very sweet-natured turned into an aggressive manic. | Horrible side effects. It barely took the edge off of my symptoms, but it did clear up my son, although at a price that I'm not willing to pay. | F | 33 | 5 days | 4/28/2009 | 1 | Cetirizine* for fluid in Ear | I was prescribed This for fluid in my ear. First day seemed ok, a bit dizzy but doc said that was from the fluid in my ear. Day 2 had a panic attack just sitting on my couch. Got very dizzy felt like all my air was taken away, then I got very cold and my legs began to shake, I fell asleep for about an hour and when I woke up I just didn't feel right. Like I was in a haze, almost like drunk and still feeling dizzy and my legs felt heavy. I didn't take anymore and it took almost three days for me to feel normal again. I thought I was crazy until readying these reviews, I'm pretty sure it was the drug now! | I would not recommend this drug. | F | 33 | 2 days 10mg | 1/11/2015 | 1 | Seasonal Allergies | Intense rage, anger, and mood changes. | Started taking Zyrtec in May to combat seasonal allergies. Last year was extremely bad for me, so I wanted to get a head start on anything that would stop me from being miserable. After a few months of taking Zyrtec I started getting uncontrollable rage and anger when mildly arguing or confronted by friends, family, and co-workers. The rage and anger was so intense, it even scared me. During an argument/fight, I would seriously want to physically hurt the person I was fighting with, something that I have never truly felt. I sincerely thought I was losing my mind and going crazy. I've never felt that kind of anger. I went to my doctor and explained what was going on - I assumed it was hormonal and connected to my periods - it HAD to be! Next I was referred to a psychotherapist for changes in mood. Was told it was the stress at my job, anxiety, etc. When my allergies never really came about this season, I realized I should just stop taking Zyrtec - what's the point if I'm not sneezing/miserable? So, I stopped taking Zyrtec for about two weeks. Then I took Zyrtec randomly one evening after sneezing all day and the next day I was a crazy, psychotic, rage monster. It was then that I finally realized the correlation between the drug and my mood. I have been off Zyrtec for about one month. All rage/anger/mood change symptoms are gone. This drug should NOT be OTC. It took away two months of my life and made me feel beyond crazy. I never even considered that allergy medication could e | F | 33 | 3 months 10mg 1X day | 8/13/2014 | 1 | Allergies, post nasal drip | Weight gain, depression, reduced libido, grouchy, dizziness, vertigo, dry mouth, numbness in legs whilst waking from deep seditive like sleep state, foggy headed, memory loss, lack of motivation, constant tiredness and sleepyness | My partner and I started taking Zyrtec about 6 years ago. We are very natural and this is the only drug we have taken daily for 6 years. Neither of us use any other RX or OTC drugs. We live a very healthy lifestyle, eat clean, excercise, etc. We have made several attempts to stop taking the Zyrtec and go natural but always gave up after a day or two because the side effects were awful when in withdrawal mode. Well, back in the end of October I developed vertigo... I saw my GP and ENT and no one could figure out what was wrong with me. Long story short, after going through 3 months of not understanding what was going on with my body and thinking I had a tumor or something I decided to quit taking the Zyrtec before bed every night. Low and behold, my vertigo has subsided entirely and the dizziness is getting better with each passing day. Now we are both off and after a week of being off a drug that we have been dependent on for 6 years we realize that we didn't even recognize who we had become. We both sleeps better and feel as if we are back to our old selves! I have also dropped from 133 lbs down to 129 in a week without changing my diet or excercise routine. I now have more energy and I feel back to the positive person that I was before this drug not knowing while on it that I had changed from this chemical in my body. This drug is a poison and I would recommend anything over taking this life altering drug. Please do yourself a favor and do not try Zyrtec! If will affect you | F | 33 | 6 years 1X D | 2/10/2017 | 1 | seasonal allergies | completely exhausted zero motivation ignoring family and children | HORRIBLE HORRIBLE HORRIBLE THIS DRUG SHOULD BE ILLEGAL I HAVENT BEEN MYSELF SINCE TAKING THIS DRUG AND AM ON DAY 3 OFF ZYRTEC AND FEEL LIKE CRAP | F | 33 | 2 months 1X day | 9/14/2013 | 1 | Seasonal allergies | Fatigue, sudden anxiety, depression, paranoia | F | 33 | 7 days | 5/28/2013 |