SINGULAIR Reviews (MONTELUKAST SODIUM)

Average Rating: 2.1 (1370 Ratings)

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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)

  

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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  Allergies Not sleeping, complaining about legs hurting, nasty attitude, hateful, mean, crying, hallucinations (after a day of the medicine) My almost 3 year old daughter was given this for allergies and back to back sinus infections. The medicine did help with the allergies and runny nose, but the side effects were far worse. It was over night my daughter went from a sweet girl to a hateful little girl - I thought I had done something terribly wrong somewhere down the line. Now after reading all these comments I know it was the medicine without a doubt. I had a gut feeling about the medicine she was on, so I stopped - overnight her mood changed - sleeping is still a little issue, but at least her sweet self is back - I have my daughter back! F 30 1 months
1/28/2009
 1   I just have to say that after reading all of these reviews...WHY WOULD A DR STILL PRESCRIBE THIS TO ANY CHILD????? This drug should be taken off the market!!! My friend has her son on this and as I am reading this it is exactly what she is telling me he is doing....This is absolutely insane...No mother or father should have to go through any of this...Singulair is NOT for children...As it shows in most all of these reviews that it affects the persons whole being...Seriously think long and hard before you put your child on this medication. F 32
1/23/2009
 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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 1  Asthma heart palpitations/heart racing, mood swings, extreme rage, extreme sadness/depression, hyperness at random, mean/bad thoughts, short temper, screaming, threats to myself. This medicine did not help my asthma much, and also contributed to mental issues. I would not, on any circumstances, recommend this medicine to anyone. F 14 12 months
1/14/2009
 5  Asthma/Allergies None that I notice. I have been taking this drug since I was about 11 or 12, and has helped me to live a normal life. I had a gap in insurance coverage a couple years ago and went without for about two weeks. I noticed how much this drug helped me. It relieves the tightness in my chest and my throat, and I don't cough like I did. I did notice on the package a few weeks ago that this was not recomended for children under the age of 12... that might be causing the problems with all of these children whose parents have commented. If the doctor perscribed it anyways, well, it may be time to find a new doctor. F 21 9 years
1/12/2009
 1  Asthma Panic attacks, suicidal thoughts which are out of character for me. Asthma did improve. Psychological side effects too strong and scary. M 26 2 months
1/12/2009
 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 Feelings of anger, depression,distance, exhausted, lack of focus and concentration. On/Off 2 yrs. Only take when asthma really bad-(it is a "tempting drug" works wonders for asthma. Side effects horrendous. Took because Pro-Air which is all I can get now - does not seem to work real well replaced Albuterol because of the harm to the ozone layer - RIGHT. I am Coming off 5 mg. 1/2 pill 48 hrs. now sneezing again, but can't sleep but exhausted. Like crashing from an illegal drug. Take your little ones off this drug immed. if you see any symptoms in their personality. They may not be able to communicate what they are feeling. Merk should be sued. SINGULAIR IS A DANGEROUS DRUG. and expensive too. F 51 2 years
1/6/2009
 2  Allergies cold flu symptoms doesn't really relieve any of my symptoms, and makes me feel worse. cold and flu symptoms is a listed side effect for this drug, so I wasn't too surprised, but I won't be taking anymore of this drug... M 23 1 days
1/4/2009
 1  chronic urticaria after about 3 weeks on singulair my hair started falling out and I mean hundreds of hairs !!! So I stopped singulair its only been 3 days now and already my hair isn't falling out nearly as much Singulair should be listing as one of the side effects HAIR LOSS !!!! F 42 25 days
1/2/2009
 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
 2  Allergies/Predisposition to asthma Screaming, hitting, threats to herself, lack of focusing, uncontrollable rage, crying for extending periods of time, lack of appetite, tired, very emotional, disregard for consequences of actions. My daughter is 6 and has been on Singular for 3 mos. now. I thought her behavior changes were related to her father being deployed but, I realized she had never acted this bad before and it was getting increasingly worse. What is worse, she knew she was acting bad and wanted to change. I started considering other reasons and looked up the side effects of Singulair and I had a big A HA! moment. I felt so bad looking back at all the punishments/time outs, etc. Luckily, you don't have to wean it and I am stopping today. Her teacher was saying how she was starting to lose focus at school and scream at other children that bothered her which is totally not how she used to be. F 33 3 months
12/27/2008
 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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 4  asthma & allergies None that we are aware of. My 14 year old daughter has been taking Singulair for about four years for asthma and allergies. She had a life-threatening event 1 1/2 years ago and was resuscitated at local hospital and transferred to regional children's hospital. The event, which is believed to have been "Sudden Asphyxic Athsma" had come on very suddenly while we were at a family event, luckily near the hospital. Prior to this event she had not been regular in taking Pulmicort or Singulair and had been relying heavily on albuterol emergency inhaler and Benydryl (which makes her very sleepy). She now religiously takes Flovent twice a day and Singulair 5mg and carries an emergency epi-pen at all times. She seldom needs the emergency inhaler and almost never has itchy eyes and hives, even though her blood work shows a very heavy allergic load. Either the Flovent works for everything or a combination with Singulair is working well for her. The allergist changed the children's hospital's RX back down to F 14 4 days
12/19/2008
 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

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