Reviews for SINGULAIR

479 ratings: (age 12 or younger)

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 ANTIASTHMATICS BRONCODILATORS

 Type: Rx Drug

  

SINGULAIR  (MONTELUKAST SODIUM):  Montelukast is used regularly to prevent the wheezing and shortness of breath caused by asthma and decrease the number of asthma attacks. Montelukast is also used before exercise to prevent breathing problems during exercise (bronchospasm). This medication can help decrease the number of times you need to use your rescue inhaler. This medication is also used to relieve symptoms of hay fever and allergic rhinitis (such as sneezing, stuffy/runny/itchy nose). This medication does not work right away and should not be used to treat sudden asthma attacks or other breathing problems. This drug works by blocking certain natural substances (leukotrienes) that may cause or worsen asthma and allergies. It helps make breathing easier by reducing swelling (inflammation) in the airways.   FDA Approval Date: 1998-02-20 (Sources: U.S. Centers for Medicare Services, FDA)

  

Results are sorted by Date added.

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 SINGULAIR: Reviews Summary  |  Drug Safety Information

RATING  REASONSIDE EFFECTS FOR SINGULAIRCOMMENTSSEXAGEDURATION/
DOSAGE
DATE ADDED
 
 1  asthma My son has been on Singulair for years. However, recently, they changed his dose from 4mg to 5 mg and we noticed an obvious behavioral change. He has thoughts that prompt him to be brutally honest...telling me I am fat and ugly. He has also had homicidal thoughts toward my husband and I which are followed by self-condemning thoughts. He is a very loving child and this is completely out of character for him.Looking back, we feel horrible in that he has experienced night terrors, extreme thirst, frequent urination, blurred vision, and skin dryness. We just put all of this together when the behavioral symptoms started. My husband, thankfully, remembered the news story. We have stopped taking the medication and are 2 weeks out, but still experiencing many strange thought processes. We have even contacted a child psychologist who has encouraged us to try and "normalize" the situation as much as possible. We may have to seek further help if we don't see improvement soon. M 7 5 years
1/19/2009
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 1  allergies repeated upper respiratory infections, repeated bouts of pneumonia, strep throat, and bronchitus; emotional over-reactions and aggressive tendencies I put my 9 year-old son on Singulair to help with seasonal allergies. He took the 5mg dosage. He contracted bronchitus within weeks, then he got pneumonia, then bronchitus, then strep, then pneumonia, etc. Finally, I saw a commercial that listed frequent upper respiratory infections as one common side-effect of Singulair. I took my son off it immediately, and he became a different child. He is happier with fewer mood swings and very little illness to report at all. We give him Claritin D for his seasonal allergies, and he tolerates this medicine with no noticeable side-effects. We give him vitamin C and Zinc, and he is very healthy now. I also took Singulair for asthma for awhile before my son did. I went off it when my son did, and I also had fewer upper respiratory infections. I had never made the connection before. I thought we were both having the infections because we had poor immune systems. I was 44 years old, and I also took Singulair for 1 year. Both of us have bee M 9 1 years
1/18/2009
 1  to help prevent ear infections Defiant, hostile, screaming, night terrors, destructive, out of control, moody, not eating, Singulair caused a noticeable change in my 2 year old son’s behavior in the last 2 months. He started waking up in the middle of the night screaming because of night terrors. Each day, he got a little worse. Defiant, hateful, destructive, etc. He also started biting his fingernails and obsessing over little things, like the strings hanging off of his blanket. He still isn't talking much, so he can't tell me what is going on. His doctor did not know what to think. I even took him to the ER once, and they couldn’t find anything wrong. I knew that this was completely out of character for him. Something had to be causing it. We decided to take him off Singulair after double checking the side effects on the pamphlet that came with his prescription. Two weeks after stopping the medicine, the change was amazing. He is back to my great little boy. I am sooooo glad that we discovered this after only a few months. I cannot imagine living like that for years. M 2 4 months
1/16/2009
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 3  Allergy/Reactive Airway Issues Mood swings, emotional outbursts my daughter had taken Singular for several years and we loved the results . . . she rarely needed albuterol anymore. Her pediatrician wanted her to take it daily, year-round. We only gave it to her seasonally, as I didn't want her to take something she didn't need. During the same period of time, she was diagnosed with central precocious puberty. I blamed the mood swings on the monthly Lupron injections. Because of insurance issues, I stopped giving her the Singular, as needed. Shortly after we stopped the Singular (Lupron was still monthly) we heard about the reported side effects of Singular. I realized that she was probably experiencing side-effects from the Singular, not the Lupron. She is still on monthly Lupron injections, no Singular for over 1 year, and NO regular outbursts, emotional meltdowns, etc. F 10 2 years
1/11/2009
 5  Asthma We are experiencing NONE of the side effects claimed. My daughter is going on 13 and has been on Singulair since she was 9 or 10. She is now almost as tall as I am (5'2), she is developing normally in all other areas related to the female anatomy, I lost track of how often I have to buy her new shoes, etc.. In other words, zero stunted growth issues, zero anger issues, zero any issues detailed here. She works with a renowned Pulmonary on her asthma, who keeps a close watch on these things. I should also add that she takes this in the morning, with Claritin being taken at night. In fact, on our next visit, the Pulmonary is considering weening her off of it due to her asthma being under control and her believing she might be "growing out of" the allergies that caused the asthma in the first place. This is a child who stands close to my height and weighs all of 80 lbs. So she is built very petite to begin with. (the age and gender listed are for her) F 12 5 years
1/6/2009
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 1  Allergies & Asthma Mood changes, defiance, anger, hopelessness, crying at drop of a hat, throwing things, stomach ache My 7 yr old son has been on Singulair for 2 mos and also daily Zyrtec. He was taken off of Qvair for similar side effects. He has been unbearable for the past month. Acting out, hitting, crying, throwing things, all completely unlike him. I have been accused by my family that I have caused his change in personality because of all the yelling, time-outs, taking away video games. When he told me that he has lost all hope over improving his 1 C+, I thought there is something more going on with him. His pediatrician told me to stop all Singulair and continue on Albuteral and Zyrtec since his mood swings appear to be a side effect of the Singulair. M 7 2 months
12/29/2008
 1  allergies My son was on Singulair for 3 years, from 3-almost 6 years old. He experienced uncontrollable emotions that all were all great exaggerations of normal preschooler behavior, but exponentially more: rage, aggression, anger, frustration intolerance, explosiveness If you are having any behavioral side effects and keep hearing that there aren't supposed to be any, check out this link: www.parentsforsafety.org/17601/index.html M 6 3 years
12/25/2008
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 1  Allergies Extremely hyper, impulsive, and defiant My son took singulair for 6 weeks for his allergies. We noticed that he was acting so bold - not listening, crying and randomly screaming for no reason. He was became very nervous and started biting his nails. He literally could not stay put or on track. He cried about everything. He was prescribed this by his primary care physician, who never told us of these side effects. We went to his allergist who immediately switched him off this. Today his teacher commented about his "hyperactivity" and I wanted to cry. He has been off it for a week and is just starting to return to normal. M 5 6 weeks
12/17/2008
 3  asthma/allergies My 5 year son old has been on Singular 4mg for 11 days. Within the last week he has been experiencing mood swings, leg pains, crying, screaming, yelling, hurting animals, loss of appetite, very tired, throwing, and very uncontrollable at night. I am starting to decrease his dose to 2mg and I am going to see what happens. It has worked to clear up his allergies and it is not as bad as the Prednisolone, but still....he is changing. I am keeping my eye on him. M 5 11 days
12/15/2008
 1  asthma and allergies aggressive behavior, nightmares, loss of appetite My 3 year old son was on Singulair for one month before I noticed a drastic change in his personality. His behavior became very aggressive and he was unresponsive to punishment. He was not himself at all. He also complained of nightmares and experienced a loss of appetite. After finding this site, I took him off the drug immediately. He has been off of it for two weeks now and is completely back to normal - his attitude and appetite changed immediately. M 3 30 days
12/13/2008
 1  asthma My son experiened mood swings, yelling, sadness, constant crying, agressive behavior. I would not recommend this to any child. The sadness that they feel should not be experienced. Parents or child going thru this is so frustrating not knowing how to help them. I actually thought my son was just being mean, until I found out what it was, now everyday I hug my son so tightly... M 6 3 weeks
12/12/2008
 2  son - asthma very aggressive behaviour, violent tantrums, screaming, night terrors, unreasonable, argumentative, drowsy It did control his asthma attacks but since we started it in October 2007, our sweet and humourous little boy turned into a monster. He screams for no reason, refuses to wake up and get ready for school in the mornings, argues all the time, gets into a rage over the smallest of things, hates leaving the house and is always upset. I kept wondering what changed in the last year - and then I remembered that that is when we put him on Singulair. I have been researching it on the internet and I found this and other similar reviews from other parents. I will take him off the drug TONIGHT. I hope I get my sweet boy back. M 6 1 years
12/8/2008
 1  Prevent asthma My 4 year old was prescribed Singulair by his Pediatrician to prevent his asthma attacks. We had read the side effects but thought we would try it against our better judgment or instinct because he's had reoccuring asthma attacks and honestly, we were getting tired of watching him go through breathing treatments and spending hundreds of dollars we don't have on his medicine. His Pediatrician told us that Singulair was safer than Zyrtec and that he personally has had only one child have side effects. After 7 days, our son wound up with an ear infection. Normally, he would complain a little and he's normally a great kid even when he's sick. He's the model patient. With this particular ear infection, he's become insecure and scared and he had several crying spells that lasted over an hour each time. He's been incredibly moody and out of the blue starts to yell that no one can speak to him, that it's "scaring him and hurting his feelings"....??? WTF? We stopped the Singulair to M 4 7 days
12/6/2008
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 1  allergies Severe anxiety, depression, uncontrollable crying, extreme mood change Our 11-year old daughter had been on Singulair for 6 months before we learned of the side effects associated with this drug. She would cry at all times of the day, and never be able to explain to us why she was upset. Extremely outgoing and well-adjusted prior to taking Singulair, she became a shell of her former self. After 5 days off Singulair we noticed a tremendous improvement in her mood and attitude. Wish we had suspected potential problems with this drug earlier; she endured a miserable period of sadness and frustration and so did those around her. F 11 6 months
11/23/2008
 3  allergies My sweet son (almost 3) turned into a monster on this drug. He had horrible temper tantrums, above and beyond the normal 2-year old tantrums. He was very angry, walked around all day like a zombie with his blankie and paci. He was very difficult to deal with. He has been off of it for one day and is having a great day today - I see a change already. M 2.5 2 months
11/21/2008
 1  allergies loss of concentration, anxious,nightmares, wired. My 7year old daughter started taking this for a sinus infection/allergies. We had the most trying week of her young life; not listening,distracted, stole something,anxious, jealous. Just not herself, my sister suggested this site. I finally put it together and we stopped the meds immediately yesterday. Last night she had a terrible nightmare, screaming and crying. She said that she didn't know why she couldn't stop replaying these awful thoughts. I am so angry, aren't doctors supposed to be educated about the meds they're prescribing before they freely prescribe? F 7 3 weeks
11/20/2008
 1  asthma, allergies (daughter) hyperactivity, argumentative, unable to reason with, on the go constantly, massive appetite, anger (unable to reason with) I feel sick reading these comments. Why are doctors prescribing this drug? My daughter has turned into a monster and I feel so guilty giving her it without questioning it at all. F 5 2 months
11/19/2008
 3  Allergies and asthma stomach ache when taken at night M 8 1 years
11/13/2008
 1  asthma and allergy my son started taking this when he had turned 3. Though the last few months I started put things together. he had nightmares/cryig fits everynight, usually within 1 hour of taking medication. He is more sensitive all around. M 4 2.5 years
11/13/2008
 3  asthma, allergies nightmares, aggressive behavior I never thought that it might be the Singulair (his only med) that caused his aggression. He complains all the time about bad dreams. He has told me that he wants to be good but just can't help the things he does. I think that it has helped with the symptoms but we are weaning him off over the next week or two. M 5 4 years
11/7/2008

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