http://www.medications.com/se/Zyrtec Recent side effects for Zyrtec Thu, 08 May 2008 18:15:49 -0400 http://www.medications.com/effect/view/30324 I took Zyrtec for some time, as a prescription med. 14 months ago, my blood pressure spiked, for no apparent reason and after 8 different anti-hypertensive drugs, I had no improvement. I was extremely lethargic, I gained 20 pounds, I had severe dizziness, http://www.medications.com/effect/view/30324 Mon, 28 Apr 2008 11:24:28 -0400 http://www.medications.com/effect/view/29997 Have been taking Zyrtec for about 3 months now, due to chronic hives. Was put on zyrtec after going into anaphylactic shock. The hives are gone but now I have bouts where my hearts flutters and pounds like crazy. Don't know what to do because this is th http://www.medications.com/effect/view/29997 Thu, 10 Apr 2008 22:40:58 -0400 http://www.medications.com/effect/view/29451 Is any one having menstrual problems? I have had a lot of cramping and little to no flow-which is unusual for me-I feel like I am constantly PMS-ing and I want to eat all the time! The allergy problem is gone but my ovaries are killing me and Im gaining http://www.medications.com/effect/view/29451 Sat, 29 Mar 2008 13:53:54 -0400 http://www.medications.com/effect/view/28713 i have taken Zyrtec for years during the fall during ragweed season - works great for me without any side effects. My husband can only take it every other day as it makes him feel flu -ish. 18 yr old takes as needed and it works great. 16- yr old has al http://www.medications.com/effect/view/28713 Thu, 27 Mar 2008 01:28:50 -0400 http://www.medications.com/effect/view/28398 Here's what's going on... I've been taking Zyrtec for years with no problems. I don't have the usual allergies like runny nose, itchy eyes, etc. My allergies make me very sick to my stomach--all day long. It was like morning sickness. I was on polarami http://www.medications.com/effect/view/28398 Sat, 01 Mar 2008 22:40:12 -0500 http://www.medications.com/effect/view/27647 I took Zyrtec for a few years for severe mold and pollen allergies. I loved the drug as it controlled my allergies much better than Allegra or Claritin. However, I recently stopped taking it after realizing it was causing dizzy spells, drowsiness/constant http://www.medications.com/effect/view/27647 Sun, 24 Feb 2008 21:44:16 -0500 http://www.medications.com/effect/view/27463 I have a 10 year old son. When he was 2 the doctor put him on Zyrtec. I felt like it made him mean and very depressed. He had many outbursts and was not himself. I told the doctor and he looked at me like I was crazy. I took him off it and within about http://www.medications.com/effect/view/27463 Sat, 23 Feb 2008 22:03:31 -0500 http://www.medications.com/effect/view/27439 Our son was on Zyrtec for 3 years, we just took him off and went a homeopathic route for his allergies. While on zyrtec, he was so emotional, had trouble in school, cried a ton and was overall a mess! A few days after we changed his meds, he was a DIFFER http://www.medications.com/effect/view/27439 Sat, 23 Feb 2008 15:17:59 -0500 http://www.medications.com/effect/view/27430 I was really relieved to have found this information. I thought I was loosing it! I am 38 and was having bursts of rage, crying for nothing... could it be menopause? NO! Unfortunately these are not listed for physicians as side effects so my doctor friend http://www.medications.com/effect/view/27430 Sat, 23 Feb 2008 15:11:42 -0500 http://www.medications.com/effect/view/27428 VERTIGO! I've had bouts of it in the past but nothing like this! Falling down, unable to drive, to the point of vomiting. I thought it was from allergies (which are bad but if I'm taking the Zyrtec... as well as Nasonex and psuedofedrine... and I am not http://www.medications.com/effect/view/27428 Wed, 20 Feb 2008 19:51:12 -0500 http://www.medications.com/effect/view/27349 I have tried Zyrtec three times, twice this past week. Each time I took it I could not stay awake. Even after sleeping 8 hours could barely get up. I had the most vivid, weird, really dark dreams each time I took it. I dream a lot, but not like these. http://www.medications.com/effect/view/27349 Fri, 08 Feb 2008 00:23:11 -0500 http://www.medications.com/effect/view/26998 my then 2 year old daughter began to take Zyrtec in sept 06 for allergies. she began to STUTTER in November 06. she has gotten worse over time. she also has experienced vaginal irritation for about the same amount of time ( 1 1/2 years) i have had her te http://www.medications.com/effect/view/26998 Wed, 23 Jan 2008 16:32:03 -0500 http://www.medications.com/effect/view/26563 My daughter has been taking Zyrtec for about a month and now one of her tonsils is swollen and she is snoring. She is taking Zyrtec to control Hives. He is not sleeping well and I do not know if its from Zyrtec. She takes Zyrtec every other day. http://www.medications.com/effect/view/26563 Tue, 22 Jan 2008 13:45:39 -0500 http://www.medications.com/effect/view/26526 My son has been on Zyrtec for the past year - he is now 4. He the sweetest disposition one minute and is a monster the next hating us and wishing we were dead. We assumed that it was his age and possibly a behavior disorder until I read the other entries http://www.medications.com/effect/view/26526 Fri, 16 Nov 2007 16:24:28 -0500 http://www.medications.com/effect/view/25066 Hi everyone! I came to this part of the website because my son has been having the same issues with Singulair. In some of the other posts, I noted that some people on the Singulair post said Zyrtec did the same thing to their kid. I found out today that http://www.medications.com/effect/view/25066 Wed, 07 Nov 2007 21:20:34 -0500 http://www.medications.com/effect/view/24880 I can't believe what I am reading. My son, who is 10 now has been on this med for 5 years now. The same amount of time that he has been dx with ad/hd. He started a new med for adhd this past summer and was doing wonderful, at the same time I had run out of http://www.medications.com/effect/view/24880 Sun, 28 Oct 2007 02:14:55 -0400 http://www.medications.com/effect/view/24629 I am so glad I found this web site. My son who is 6 just went on Zyrtec about 10 days ago and since then has had major anger issues and a few uncontrolable melt downs. His allergies have been horrible since we moved to AZ but I think the allergies might http://www.medications.com/effect/view/24629 Thu, 25 Oct 2007 19:22:46 -0400 http://www.medications.com/effect/view/24586 My 5 year old daughter has been taking Zyrtec now for about 2 months. During this whole time, she has been angry, aggressive, irritable and very anxious. She has been purposefuly doing things to provoke my anger/concern, including punching her sister, sl http://www.medications.com/effect/view/24586 Thu, 20 Sep 2007 07:24:06 -0400 http://www.medications.com/effect/view/23739 I began taking Zyrtec for seasonal allergies. I had taken OTC benadryl but it makes me very drowsy so dr. recommended Zyrtec. Took it every day for a week and noticed shortly (within an hour) after taking, I developed a pronounced rash on my hands and fe http://www.medications.com/effect/view/23739 Mon, 13 Aug 2007 08:19:25 -0400 http://www.medications.com/effect/view/22911 I have no such symptoms with Zyrtec-as a matter of fact it is about the only antihistamine that works for me. I have been back on it for about three months and the only reason I was off it for a while was because the VA did not have it in their formulary http://www.medications.com/effect/view/22911 Fri, 06 Jul 2007 08:32:19 -0400 http://www.medications.com/effect/view/22174 I THINK YOU ALL SOUND SCREWED UP http://www.medications.com/effect/view/22174 Mon, 16 Apr 2007 18:19:00 -0400 http://www.medications.com/effect/view/21047 My 9 month old has been taking Zyrtec for about 2 weeks and has been impossible to deal with. She has major meltdowns over nothing. After reading that others are experiencing this same thing, I will not continue to give it to her. She has allergy issu http://www.medications.com/effect/view/21047 Sun, 15 Apr 2007 16:56:30 -0400 http://www.medications.com/effect/view/21023 Thank goodness I found this. I thought my son was going to crazy. He is 5 years old and having terrible outbursts and says he cannot controll his emotions. I was really worried. This explains a lot. thank you http://www.medications.com/effect/view/21023 Fri, 13 Apr 2007 16:27:35 -0400 http://www.medications.com/effect/view/20998 my 7 year old son has started breaking out with a funny rash since he started zyrtec. kind of looks like ringworms. is this a possible side affect? http://www.medications.com/effect/view/20998 Sat, 07 Apr 2007 07:54:40 -0400 http://www.medications.com/effect/view/20841 My 5 year old daughter has been having meltdowns, she will cry and scream for up to 1 hour and she doesn't know why. She has been depressed and has been talking about hurting herself! She has been on it for years. I was shocked that the Zyrtec was causi http://www.medications.com/effect/view/20841 Sun, 25 Mar 2007 02:44:08 -0400 http://www.medications.com/effect/view/20560 My 7 year old son started taking Zyrtec 5 days ago. For the past couple of days he has started acting crazy. He has outburst where he literally runs through the house waving his arms over his head screaming at the top of his voice. He has never in his l http://www.medications.com/effect/view/20560 Thu, 22 Mar 2007 00:43:21 -0400 http://www.medications.com/effect/view/20495 Hi! Very nice site! Thanks you very much! hpmppqrrtojia http://www.medications.com/effect/view/20495 Fri, 05 Jan 2007 14:28:01 -0500 http://www.medications.com/effect/view/19073 I am 43 female - took zyrtec 10 for about a year, decided to stop taking it and have had very bad nausea, dizziness for 5 days now. I feel car sick. http://www.medications.com/effect/view/19073 Fri, 05 Jan 2007 14:26:32 -0500 http://www.medications.com/effect/view/19072 My 12 year old daughter began having panic attacks about 6 months after beginning zyrtec 10mg, at the Dr. recommendation we stoped the zyrtec and she started experiencing severe dizziness and nausea for about 2 weeks, 3 months have passed and she is back t http://www.medications.com/effect/view/19072 Wed, 29 Nov 2006 19:30:12 -0500 http://www.medications.com/effect/view/18425 I have been taking Zyrtec for about a year now and I have not had any of the problems that all of these people have been complaining of, such as eating too much, gaining weight, not sleeping, phyco problems, etc. I have had none of these symtoms and the m http://www.medications.com/effect/view/18425 Mon, 20 Nov 2006 08:52:18 -0500 http://www.medications.com/effect/view/18302 Is this drug for kids only? I'm 24 years old and I'm taking it, it does absolutely nothing to me except clear up my allergies, it is amazing. http://www.medications.com/effect/view/18302 Wed, 27 Sep 2006 17:40:25 -0400 http://www.medications.com/effect/view/17488 My 6 year old son was put on Zyrtec 8 days ago and about 3 days ago he started showing symptoms of emotional outbursts, (crying, screaming, etc.). He hasn't been listening and has showed outbursts that has caused a great concern in our family. He has not http://www.medications.com/effect/view/17488 Thu, 31 Aug 2006 21:30:00 -0400 http://www.medications.com/effect/view/16996 Zyrtec has helped my one year old's eczema. My eldest who is now 6 has taken it for a year now. I have seen some possible mild behavior responses. Now that he doesn't need it as much we are testing this possibility. I would suggest looking into which t http://www.medications.com/effect/view/16996 Mon, 05 Jun 2006 17:05:07 -0400 http://www.medications.com/effect/view/15485 severe pain in the right foot and started hurting in the shins. http://www.medications.com/effect/view/15485 Sat, 27 May 2006 11:33:17 -0400 http://www.medications.com/effect/view/15342 My son had behavioral side effects. It worked great for the runny nose, but he always got in trouble at school on the days I gave him his medicine. We had to skip the allergy medicine for good days at school. Me 2 year old has been taking it for allergies http://www.medications.com/effect/view/15342 Thu, 18 May 2006 08:00:45 -0400 http://www.medications.com/effect/view/15187 My 5 year old son has been taking one teaspoon of Zyrtec a day for approximately 6 weeks. After not getting much relief, the pediatrician increased his dose to 1 1/2 teaspoons. Ten days later, my son started experiencing horrible tics, clearing of the th http://www.medications.com/effect/view/15187 Thu, 06 Apr 2006 19:38:05 -0400 http://www.medications.com/effect/view/14424 Since starting the Zyrtec, my 3 yr old has been crying A LOT, for no seemingly no reason. Sometimes even in the middle of the night which he has never done. He is never really sure what is wrong and sometimes when I ask him to stop crying he says "I can' http://www.medications.com/effect/view/14424 Thu, 23 Mar 2006 13:19:45 -0500 http://www.medications.com/effect/view/14051 sleepnes http://www.medications.com/effect/view/14051 Wed, 22 Mar 2006 15:54:08 -0500 http://www.medications.com/effect/view/14016 My four year old daughter has been taking Zyrtec for six months. We've had severe emotional outbursts, signs of depression, and aggression to the point were we were strongly considering a psychologist. http://www.medications.com/effect/view/14016 Mon, 20 Mar 2006 10:40:42 -0500 http://www.medications.com/effect/view/13943 My 8 year old son has been on Zyrtec for 4 days. For the last 2 days I have found him crying in his bedroom, he can not explain to me what is wrong other then he does not feel right. He says when he looks in the mirror he does not see himself, his vioce so http://www.medications.com/effect/view/13943 Thu, 09 Mar 2006 14:19:08 -0500 http://www.medications.com/effect/view/13633 Took zyrtec today for first time. could not stay awake took it at 8:am slept from 11-2 then back again now it's 5: pm, still want to sleep..........NO MORE http://www.medications.com/effect/view/13633 Tue, 07 Mar 2006 04:25:42 -0500 http://www.medications.com/effect/view/13558 Severe vaginal irritation. http://www.medications.com/effect/view/13558 Mon, 06 Mar 2006 04:29:52 -0500 http://www.medications.com/effect/view/13523 My 7 yr old is on zyrtec and I am starting to wonder if his recent change in behavior is because of this drug. He complains of funny feelings in his head very emotional and says he just doesn't know what comes over him he can'tcontrol his thoughts etc.. http://www.medications.com/effect/view/13523 Fri, 03 Feb 2006 10:54:22 -0500 http://www.medications.com/effect/view/12866 My 9 yr old son has been on zyrtech since he was 3. He is a bright kid, but has little physical quardination, and is tired all the time. In the last year he has complained of headaches, stomach aches and has bloody noses. His father & I are going to be tak http://www.medications.com/effect/view/12866 Thu, 08 Dec 2005 20:12:56 -0500 http://www.medications.com/effect/view/11944 my 4 year old daugther was on zyrtec for almost a year,she has inlarged tonsils and allergic to dust,the whole time she was on it she snored so bad you could hear her in the other room,and had bouts where i believed she wasnt breathing, the doctors wante http://www.medications.com/effect/view/11944 Tue, 29 Nov 2005 11:36:05 -0500 http://www.medications.com/effect/view/11832 My 6 y.o. son is on Zyrtec 10 mg for severe allergies but he has stomach pains that start in afternoon and by bedtime he is nauseaus and the pain is so bad he can't sleep and then is tired and gets in trouble at school. Taken him off and stomach has subsi http://www.medications.com/effect/view/11832 Thu, 27 Oct 2005 20:11:15 -0400 http://www.medications.com/effect/view/11451 I've been having problems being thirsty. I've only been on zyrtec for about two and a half months. I was depressed and sad the past teo, but i thought that was because i'd recently moved. Now i'm having problems being thirsty all the time and then urinatin http://www.medications.com/effect/view/11451 Tue, 18 Oct 2005 16:37:07 -0400 http://www.medications.com/effect/view/11337 9 year-old grandson has been on zyrtec for two weeks; today he is argumentative, rebellios, angry for no reasonable reason; refused to karate practice which he loves! Will call doctor in AM to get meds changed. http://www.medications.com/effect/view/11337 Tue, 11 Oct 2005 19:33:59 -0400 http://www.medications.com/effect/view/11258 I've been on Zyrtec for roughly 3 months now, and I out of the blue started sweating profusely from my arm-pits. I'm 20 years old, past the sweaty portion of puberty, and I've never sweated so much in my entire life. Even when I'm completely inactive I s http://www.medications.com/effect/view/11258 Wed, 28 Sep 2005 23:00:50 -0400 http://www.medications.com/effect/view/11115 I have been on zyrtec for about 2 months for chronic hives, I have gained 15 pounds, eat like a bottomless pit, and have no energy anymore http://www.medications.com/effect/view/11115