Anyone see behavior problems with singulair or zyrtec?

Stephanie - posted on 12/12/2008 ( 133 moms have responded )

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Just wondering...my son became a monster on these.

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AManda - posted on 12/14/2011

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i recently took my children off singulair. i switched my youngest to zyrtec. I give only when needed cause he gets so wound up. my oldest takes allegra and does pretty good with that.

Kelly - posted on 12/12/2011

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My granddaughter has Asperger and she is in kingergarted now and is way above her level in school. She is reading above her grade level and also is an expert in math. she is still on the Singulair along with other medications for help with her autism. I once removed everything at once and started back to see if things would be different. Singulair has been a life saver to me because it has kept her Asthma in checked good.

Melissa - posted on 12/12/2011

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My son has gotten MUCH better behavior-wise since being taken OFF singulair 2 years ago. He's 1 year ahead of his grade(1st) in math at school and 1 month ahead in reading, something I NEVER would've expected when he was on Singulair! He almost failed Pre-K???
Btw, he turns 7 later this month and is finally growing too, 46" tall and 50 lbs as of Thanksgiving

Kelly - posted on 11/28/2011

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My granddaughter had a horrible behavior problem before started it so there was nothing different and than she was diagnose with Asperger which is the reason for the behavior.

Beth - posted on 11/23/2011

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Funny I should come across this today..... I may have to switch allergy meds for my son and I. I knew about the possible side-effect of Singulair, as my youngest was on it and showed some of the symptoms mentioned, though not to a great degree. I took him off of it, and he was back to his cheerful self. My oildest has always been more sensitive to things, I am wondering if he might have a problem with the Zyrtec. I have been feeling depressed myself, and think it might be time to try Allegra and start our allergy shots back up, so we can eventually be med-free.

Kelly - posted on 11/08/2011

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I thought there was a problem with my 5 year old when she started on it when she was 3 years old, so I removed the medicine and and found out that was not the problem, she has Asperger, ADHD and ODD, so after finding this out I started it back up. Singulair has helped me a great deal with her asthma.

Stephanie - posted on 11/08/2011

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When my son younger, he was on singular. I took him off about 2 months in because he was so uncontrollably angry all the time. As soon as he stopped taking it he was fine again.

Lorrie - posted on 11/03/2011

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My two children are on both for allergies and my son and daughter both have bad mood sings. My daughter has conplained of headaches and stomach aches after taking the Zyretec.

Marian - posted on 10/28/2011

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My 12 year old has been on Keppra for a seizure disorder for 3 years. He just started taking Zyrtec 3 weeks ago and I have noticed major changes in his personality. He is normally a 'good' kid but over the last week or so he has become aggressive and very disrespectful. I wondered if it could be the Zyrtec..

Samantha - posted on 10/28/2011

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my daughter had the same problem with zrytec and one other med that the allergist put her on....I didnt like his outtake on her condition and we chose another allergist who did the skin testing. found out her allegries are almost exactly to mine. she has been on allegra since, and nasonex. she also has singulair for the winter months as her indoor allergies get so bad it presents as asthma. nasonex year round, allegra in spring and fall, and all three in winter. she is now almost 7yrs. i believe my other daughter started nasonex at 2yrs, not sure, but its great if you can do that......no behavior side effects, but may dry out nose too much. i think her dose is half a squirt LOL hope this helps

Sasha - posted on 10/15/2011

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well ,steroids are know to cause aggression, anyway,my daughter had been on zyrtec and she still had headaches ,so i switched her to another allergy medicine and she doesnt seem to have the headaches as bad or as much as before

Sasha - posted on 10/15/2011

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well ,steroids are know to cause aggression, anyway,my daughter had been on zyrtec and she still had headaches ,so i switched her to another allergy medicine and she doesnt seem to have the headaches as bad or as much as before

Danielle - posted on 10/12/2011

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my 7 yr old was on singulair i took her off because she was mean...there has been a study showing where this can be a side effect of singulair...now my 6 yr old is on both..doesn't affect her any... I give them to her at night...

Cynthia - posted on 10/12/2011

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My son takes both of the medication but I dont think that was causing him to mis behave.

Lynne - posted on 08/18/2011

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My son was put on singulair when he was 2 for asthma. I immediatley took him off with in 2 days because he would wake up screaming that his fingures hurt. His doctor at the time told me I was pretty much crazy and it wasnt the meds doing it. Well here we are almost 6 years later and move to a new location and his new doctor said lets put him on it. Told him about our experiences before. Also told him I will try it but cant guarentee I will keep him on it. The doctor said uh no thats an uncommon reaction to it he may be allergic.So now I just give him benadryl at night and a nose spray, and his two inhalers. You are the childs mother you know how he acts and if it doesnt seem right take him off. Some of the dyes that are in these products can cause behavior problems too. I always go for a clear liquid.

Nanci - posted on 08/18/2011

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My son was on Zyrtec for several months. He has both asthma and allergies. He was having to use a nebulizer and inhaler for at least a week out of every month. I was having to dose him up with all kinds of meds for his asthma/allergies. Then his doctor switched us to Singular and Nasacort. OMG!! Like night and day. He has been on the Singluar and using Nasacort for the last 1 and 1/2 years and we haven't had to use a nebulizer and/or inhaler for the last year. He hasn't showed any signs of having any behavioral problems aside from what he was before he started taking the med(he has an autism spectrum disorder). We can tell when he doesn't take the medication for a week(insurance issues-caused a lapse in us getting refills) as he starts to have breathing problems and allergy problems. I am so thankful for this med!!

Sheri - posted on 08/15/2011

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It is not necessarily the mediction itself, but the Red dye in the medication. My son i just totally obnoxious when he takes meds with red dye as well as Non-Drowsy formulas it seems. Allegra has a childrens one without the red dye that melts right in their mouth. I don't seem to have problems with that one.

Kathleen - posted on 08/07/2011

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Dear Stephanie,
Here is an idea. Maybe the behavior is NOT DUE to the meds. Just a thought...Here is a letter I wrote to another mother.


The absolute FIRST THING I would do is to have your child thoroughly checked for strep, using a blood test. There is a condition out there that most people in the medical community are unaware (or in denial) of called PANDAS. That stands for pediatric autoimmune neurological disorder associated with strep. I really really hope you will heed this message, because it could be an explanation and it could prevent you from giving your child medications that will simply mask the problems, but not solve the root of them, which may be due to STREP A. My oldest son (who is currently 9) had this condition, and he is completely cured now due to antibiotics. It sounds weird, but just like with Rheumatic Fever, one's antibodies go nuts, but with PANDAS instead of attacking the joints and heart valve, for some reason the antibodies go up to the basil ganglia and affect learning or behavior. More boys than girls have this reaction, and every kid has different symptoms, which can look like some or all of the following: tics, anger issues or emotional instability, anxiety, depression, ADHD, OCD, ODD, fine motor problems leading to sloppy handwriting, problems with math...that is all I can think of right now. The key question is: HAS YOUR CHILD ALWAYS been this way, since birth, or did it start at a particular time (like when he or she was exposed to strep, probably unbeknownst to anyone)? My son had had chronic strep with NO SYMPTOMS, and when we had his tonsils removed, all of the strep was hidden deep inside, where antibiotics cannot reach. Check out the website saving sammy.net. Best of luck on your journey. Here is a list of doctors who treat PANDAS: http://www.facebook.com/topic.php?uid=23... I will pray for you and your child, and I hope you get this message. I am sorry for your suffering, when it feels like you are "losing" your child, but there is hope out there. Our son also had suicidal thoughts, and we had no idea where they had come from. This is also common with PANDAS. (A child may feel that way because he or she cannot control their bad behavior.) All of our son's behavior issues are completely gone now, with his antibiotic treatment. Check out a PANDAS doctor and maybe they can help! The few specialists who are really into this say that they are certain that there are many many kids out there who have been misdiagnosed as having ADHD and other conditions, but that they are really PANDAS kids. Your case sounds classic. Try to find a specialist. Check out the book Saving Sammy.
Sincerely, Mommo

Julie - posted on 08/07/2011

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My step-son is 12, he is on Singular. He is a monster,too. He has been to counseling, our family doctor, and nothing will change him. I am at the point of no return. He has a problem obeying the rules, and minding. What else can we do with him?

Emma - posted on 08/06/2011

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My son had very bad mood swings when he was on singular. He became very violent too. I did not want to blame it on the meds but as soon as i took him off it he returned to normal!

Tovia - posted on 08/05/2011

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I thought we were going through a crisis of some kind! My 7 yr old is a total mess. he has become very moody, with tantrums, fighting his siblings & cousins, just plain "crazy". Yesterday I just wanted to cry. My younger cousin has ADHD and I don't know how his mom does it. Thank God I came on Circle of Moms now I don't feel so alone. We see our doctor next week and we're going to try some changes in our diet.

Amber - posted on 08/04/2011

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My son is almost 5 now,he's been on singular since he was 6months old-after zyrtec didn't seem to do the trick...he's always seemed to have a "temper" though-and as he's gotten older he seems moody and every once in awhile the least little thing will set him off in a rant...I cant say its the singular though because he is on MANY other medications for allergies,asthma,etc...all medicines have different side effects and each child re-acts differently so i'd mention it to his doctor for sure!!

Jessica - posted on 07/29/2011

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They were lethargic and cranky and my boys are 7, 9, 10. It makes them turn into a different kid.

Christine - posted on 07/16/2011

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I too experienced behavior problems with my son on Zyrtec. Singular, however, was fine. I asked the pediatrician about it and she confirmed that some children experience this type of reaction and advised me to discontinue use immediately.

Julie - posted on 07/14/2011

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My pediatrician recommends use of the sinus flush system over medication. It is challenging at first the child to try it. But once they do, great relief for them and for mommy!

Michelle - posted on 07/14/2011

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My daughter is 14, now, and when she was little Zyrtec was still prescription. Her pedi prescribed it once for her, and only once. It said causes sleepiness, drowsiness...oh NO it DIDNT! My kid bounced off the walls utnil 5 freaking AM...when it finally wore off, she CRASHED. Never again. Benadryl worked best for her, and still does. Now that she's older, I will admit to slipping her some Nyquil every now and then too. Sssshh...don't tell anybody! ;-)

Jennifer - posted on 07/10/2011

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my daugtherhas been on both. zerte.c is wonderful i have heard alot of bad thing with singular. they took her off that and gave her xopenex inhalation (breating treatment helped coughing at night

Carolyn - posted on 07/10/2011

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Same thing - so I took my daughter off synthetic meds and started using a sea salt solution nose rinse morning and evening before bed, she was sinus free and stoppped having ear infections - then after 1 year is now allergy free!

Carolyn - posted on 07/10/2011

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Same thing - so I took my daughter off synthetic meds and started using a sea salt solution nose rinse morning and evening before bed, she was sinus free and stoppped having ear infections - then after 1 year is now allergy free!

Veronica - posted on 07/06/2011

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Had the same problem - he did become a little devil. I was disappointed and tired all the time. We made up a list with punishments for miss-behavior. And a list of rewards in case he is a "good-boy". Helped 3 days! After that we did try strict daily routine, each hour had it's purpose. No TV and no sweets - these are a trigger many times. Also i did rely on my family, we took care of the kid by turns, so we could have time to rest. Anyway, i did give him herbal calming tea - and this was the major key for us. We could not stop giving Zyrtec as he has asthma status...:(

Cristy - posted on 06/28/2011

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My son takes both and is autistic, so behavior problems are there anyway BUT he was having horrible night terrors when we gave his Singulair at bedtime....started giving it in the mornings and the night terrors stopped

Senar - posted on 06/16/2011

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My son is 3+ and he is on Zyrtec only and we have noticed no bad attitude. He takes 1,5 spoonful before 2 hours he goes to bed and all is fine right now...

Samantha - posted on 03/04/2011

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Singulair we saw some behavioral issues with, but they were exacerbated by the adhd that was later diagnosed. Zyrtec we havent seen any problems with

Melissa - posted on 12/27/2010

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Oh my God YES! We took my son off it last year this time because of the horrible behaviors. Some have gone away(thankfully), some haven't, but he's definitely much better.

Liz - posted on 10/26/2010

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It's hard to tell since my son already has ODD, but it seems to me that when he's on Zyrtec his temper tantrums and oppositional behavior become worse. (He is 10). Singulair seems fine for him, but I can't afford it since we don't have health insurance, so it's a catch-22; right now I'm going to stop using either.

Julie - posted on 09/10/2010

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My 8 year old has been on singulair since she was 18 months. She has never had any issues. But my sister had her son on it and she said she took him off because it was making him crazy... So I am not sure - each kids has their own chemical reaction I guess. Have you spoken to your doctor?

Laura - posted on 01/28/2010

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My daughter has been on Singular since she was 1 1/2 yrs old now she is 12 1/2 yrs old. I havent had any behavior problems except ADD (attention deficit disorder, i think that is hereditary). Have you talked with the doctor about alternative medicine?

Carol - posted on 01/24/2010

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My daughter has taken singular for several years now, and we really haven't seen any side effects other than the normal behavior swings with certain ages (ie 2-4 years). Hope things work out for you. What does your dr. say?

Angelique - posted on 01/22/2010

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my son has been on and off singulair, claritan, albuterol (nebulizer and inhaler), nasonex, prednisone, and of course saline nasal spray, I have noticed that he gets really moody but didn't even think of the meds. Does anyone have any homeopathic remedies that may work better? Right now his Dr. says we have to get this allergies and asthma under control so she has him on singulair, claritan, and saline spray daily for the next 2 months.

Kimberly - posted on 01/20/2010

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Not wth either, but we had a hell of a time with Flovent and Pulmicort for asthma. We switched to Singulair b/c it was better for us, but I know it's common. This is gonna sound crazy, but we got our son off most of that stuff by taking him to a chiropractor and chocking him full of vitamins, omega 3s, and probiotics. We go especially heavy on Vitamins C and D. If you like this idea and want to hear the full story, just email me: kimberly.becker@gmail.com.

Aileen - posted on 01/17/2010

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Lydia a good place to start would be with a good allergist. My son has asthma, and needs to be on zrytec and advair as well as singulair. He is doing so much better and is now taking allergy shots so hopefully that will get him off zrytec as he has year round allergies that would make his asthma bad. Specialist not needed just hook yourself up with a good allergist someone thorough.

Lydia - posted on 01/17/2010

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do most of your kids have ADHD? My daughter was on Zyrtec, Clariton and now on Singulair. She was diagnosed w/ ADHD around the time she started Singulair. I have also heard to cut oit dairy & eggs in her diet! Is all this stuff related? And does anyone recommend a specialist or specific doc? HELP!

Aileen - posted on 01/14/2010

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i dunno my son has been on both zrytec and advair and singulair and he is doing allergy shots. He seems to be a typical 9 year old. No problems out of the ordinary that I can detect.

[deleted account]

Hi Stephanie,
My son has been taking Singulair for about 3 years and hasn't had any problems (he was about 6 when he started on it), but a good friend of mine had quite bad behavioural problems with her son (He would have been about 12yrs old).
Both she and I have had our children on low Salicylate diets and my son is also Dairy Intolerant, so we are quite aware of things affecting behaviour.
Not sure if this helps, but thought I would share with you.
Goodluck,
Mandy

Anna - posted on 01/08/2010

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i have noticed the same thing with my daughter,she does some pretty diffrent things as well ( going through the door way and then diong it again) if i take her off her meds her asthma will get worse, did you ever find anyhtig diffrent?

[deleted account]

My five year old also acted very hyper on the singulair. We took him off after about 4 months because although it helped him tremendously the benefits did not outweigh his raciness. Originally i thought it was a good thing...like energy he never was able to exert before...but as time progressed the energy level failed to cease. He currently only takes his albuterol inhaler as needed

Lael - posted on 10/26/2009

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Yes my 7 year old daughter acted really crazy on singulair. We took her off after 1 month.

Michelle "Shelly" - posted on 10/19/2009

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My son has been taking Singular for over 3 years with no side effects. He takes it at night to help keep him from getting sleepy.

Paula - posted on 09/25/2009

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Mine is 4 years old and hes been on zyrtec for at least 3 years for his allergies/dertmatitis. he tried Clariton and he didnt sleep for a day and a half off of a half a dose...Singulair makes him bounce off the walls like crazy... so Zyrtec and benadryl are the only things he can take for his dermatitis, and it can be severe at times.

Amber - posted on 09/03/2009

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My 2 and a hafl year old step-son has been on flovent and singulair since last February because he has asthma and pet allergies. He also takes albuterol as needed. He has pets at his mother's house and continued to have respiratory problems after this so his allergist added zyrtec into the mix in July. He takes the singulair and zyrtec before bed and I have yet to observe any changes in his sleeping habits. I would imagine it could depend on the child as well as the combination of different medications.

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