Reviews for SINGULAIR

488 ratings: (age 13 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  chronic congestion; cough After my daughter had taken the drug for about 2 months, she began experienced frequent daytime urination and subsequently bedwetting. Neither the allergist or pediatrician attributed this to the singulair, and we were about to be referred to a specialist for investigation of spastic bladder. I found other instances of bedwetting on this website, and stopped the singulair. About a week later, the bedwetting subsided and has not returned. Other side affects appeared to be tendancy to tantrums, increased appetite and weight gain. But we would not have attributed these to the singulair if the bedwetting had not prompted us to investigate further. F 5 2 months
9/7/2008
 1  asthma my son took singulair for two weeks after not taking it most of the summer in the past few days he has become worried easily,clingy,easily upset. he has irregular heartbeat on/off and since thursday may be having vision hallucinations which is very scary to him. he is seeing black images now some white,his eye ball has alot of red lines and i'm not sure but it might have been yellow. i have been giving him eye drops for the past day cause we thought he might have gotten something in his eye. it is sometimes itchy and hurts alittle after the drops.he was feeling weak/funny, headache and stomach aches. as i reread the side affects i see over the years it could have been singulair all a long. fevers only that last over night, nightmares, stomach aches, headaches. since age 4 he has had Pneumonia 5 times. until this past february he has been seeing the same doctor since birth. we will talk to the new doctor in two weeks. he has been taking singular since age 3 and is now 11 1/2 years old. the past doctor would not let us stop it but i have stopped in on/off until he gets the signs of getting a cold. his asthma seens to be weather related/ high temperature/mold. today i talked to the pharmacy and they said the image could be hallucinations but he has not had any one have any problems with singulair. that we could try stopping it let it get out of his system and just start back with half a pill. we decided to stop and seek info from the new doctor. M 11 8 years
8/23/2008
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 3  allergies/asthma My son was first given Singular for allergy symptoms at 6 months of age. Two months later we ended up in the ER for Pneumonia. By age 2 he was diagnosed with asthma. I have tried to stop giving my son this medication on 2 different occasions and both times have ended up in the ER or drs office with pneumonia or SEVERE breathing difficulties. 3 different doctors have told me there is no connection to stopping the medication and the attacks. I would LOVE to find a way to safely get my son off of this med! M 4.5 4 years
8/17/2008
 1  allergies my son which is almost 5 has been on Singulair and Zyrtec since he was 18 months, He has always had tantrums from time to time but in the last few months his attitude, behavior and mouth is awful. My family and I kept thinking he is almost 5 he shouldn't be acting this way anymore. He acts like the devil is in him at times, I never thought it could be the medicine, but after reading this today will be the last day I ever give it to him. He has severe allergies so I was trying to see what other parents were giving their children....anybody have any suggestions? M 4 2.5 years
8/5/2008
 4  my son takes it for Asthma He had 2 cases sinusitis during the first 5 weeks. Tired. He had some wheezing after the first 3 weeks, but nothing since then. Right now I'm investigating wheater or not the Singulair is causing a rash whenever he has sun exposure. It looks like hives but less blotches and more spread out. M 2 3 months
8/3/2008
 1  allergies/asthma behavior change, swollen lips, terrible nightmares, fever, cough My son was on this medication for 2 weeks. He had TERRIBLE side effects. It began with his temper. He became a different child. Then he started to complain that his bottom lip hurt and he would often scream and cry that it hurt so much. The next few nights were terrible. He cried and screamed in his sleep all night. On his last night he woke up with a high fever, chills, and was crying because of the ongoing nightmares. I called his doctor and took him off of it immediately. Do not give your children this medicine! It is so dangerous. I wish I would have known this before giving it to him. M 4 2 weeks
7/27/2008
 1  severe allergies outdoor/indoor anxiety, behavioral changes, withdrawn, night terrors, hallucinations,fear of bugs/spiders,afraid to be alone, ocd-like issues,& on and on My 5 year old daughter has been on Singulair for 3 years. Over the last several months,at a rapid pace, we've watched our carefree, loving, independent child turn into an anxiety ridden & worried little girl. Her nights have been full of terrors & hallucinations and her days have been spent glued to her father and myself. I sat at the computer & cried after reading most of these responses. I am so grateful to all of you who have posted your dealings with this medication.I am not alone. Our daughter has been off this medicine for 1 1/2 weeks & we are slowly seeing things improve. I hope it will continue & my thoughts are with the rest of your families who are going through this! M 5 3 days
7/22/2008
 1  Sinus infections and asthma aggression, depression, loss of concentration, edginess, stomach-ache. My 6 year old son had been on it since he was 18 months old. He has always been on the verge of either being angry or crying. I always thought it was just him. Until he got so mad he said he was going to kill himself. It caused me to google childhood depression and I found out about this problem with Singulair. I immediately stopped the drug. His pediatician said that there could be no link between the two. Within 2 weeks, his teacher sent home a note saying she didn't know what had changed but that he was a different boy in school. Happy, well-adjusted and making friends. He skips everywhere he goes and is happy, loving and obedient. It makes me so sad that I gave him this drug for 4 1/2 years and didn't even know what I was doing to him. M 6 4 years
7/18/2008
 2  Asthma Irritability, agression, crying, tantrums. I live in Australia and my son was prescribed Singulair as an asthma preventative when he was 1.5 years old. We have always thought that we had a very "difficult" child and have put his tantrums and crying down to terrible twos etc. He was constantly in trouble at home for being rough and wild with his sisters, for hitting and kicking and for being extremely defiant and "angry". I could not even take him to the shops because of his behaviour. We have been to numerous GPs and Paediatricians in regard to his behaviour and have seriously thought he may have ADHD or something similar. Not one of our doctors mentioned that Singulair has been known to cause some of these issues!! We lost his prescription for Singulair and he was off it for a couple of weeks, during which time he, and thus our whole family, experienced an incredible change. He is a happy, gentle boy!! It was only after re-filling his prescription and seeing a rapid move back to anger, crying, extreme d M 4 2.5 years
7/16/2008
 1  asthma My son has been on the medication for 3 years and in the last few days we have had a major change in his behavior. He goes to a day care for kids with special needs because he has comorbid issues, but the other day he had 5 referals for hitting, kicking, biting, and potty mouth. Today, i had to pick him up because he became violent and was uncontrollable. Does anyone know how long until these side effects will last. I have stopped his singulair and just was wondering if anyone knows how long we will need to be afraid of these side effects..... M 4 3 years
6/26/2008
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 3  asthma anger, hallucinations, illusions, paranoia My 6 year old nephew was prescribed this drug to take for 1.5 weeks. He has completed the course for about 1 week now. His behaviour is very concerning, as he is rude and very aggressive and says hateful things. He is also very afraid of sleeping alone, and complains of having nightmares every night of monsters chasing him. Tonight he was crying and holding himself on the floor, saying he felt bugs biting him. There were no bugs or any bites. He also became very afraid of moths, claiming that they were coming to bite him. I am not sure if this is due to Singulair as he has been off of it for about 1 week, but thought to mention my experience. M 6 1.5 weeks
6/25/2008
 1  Asthma Aggressive behaviour, uncontrollable crying, extreme temper tantrums, lack of concentration/interest, hyperactivity. . .. My 2 1/2 year old son was prescribed singulair only 1 week ago for his asthma. After just a few days I noticed a drastic change in his behaviour. He has acted completely out of character and has been angry and aggressive with other children. I know that 2 year olds are reknown for their lack of self control when it comes to behaviour and on a regular day he is no angel, but his behaviour has been extreme. After only 2 days he was complaining of back ache. He has been nervous to even go upstairs on his own and has been vary anxious in situations where he is normally very comfortable and confident. He has experienced nose bleeds from the slightest bump. He has had exteme temper tantrums and has looked at me with such hate in his eyes. I have read other comments on this site and share the feelings of a lot of parents who feel angry with the doctors for prescribing this medication without fully discussing the possible side effects. I was made to feel like an over protective mother M 2.5 7 days
6/25/2008
 1  asthma stomach aches, hitting, uncontrollable screaming, tantrums, loss of appetite I am so hurt. As a mother I trust what the doctors prescribe for my child. I am so grateful I found this website soon. My two year old son has been prescribed this medication for a month now. After about two weeks on Singulair, he started screaming uncontrollably. His cousins were suddenly afraid of him hitting them with something. He experienced more tantrums and a loss of appetite. As I recall now, there have been several times where he came to me and complained of a stomach ache. I am completely horrified but again thankful I found this website very early on. I am taking him off this stupid medication today! M 2
6/14/2008
 1  ALLERGIES My son is two and was taking singulair for about 1 year. He has not slept a full night not even once. About 3 months ago I decided to take him off of it and about a week later he had a "febrile seizure" so the docs called it. I put him back on it because I thought his allergies caused his fever and got sicker from being off of it...Well 2 weeks ago I wanted to try him off it agian because I hate him being on all kinds of medicine. Within a week of being off it, he has had 7 atonic seizures (where he just falls down for a second). I truely believe his body is withdrawing from this awful drug..It is odd that it has happened each time just within a week of being off this "miracle drug". My son has no other problems. We had to see a neurologist and he just wants to put him on more medicine and says it is no way realted to sinuses or singulair. I beg to differ. I think the doctors and drug company's are just interested in helping each other and not our children... I am going to trust God and listen to my intuition as a mother and a christian. M 2 1 years
6/5/2008
 3  asthma Same as others, change in behavior for the worse. Mood swings, unhappy and sad, irritable, biting, kicking, tantrums, biting finger and toe nails. Worried about all asthma meds my son is on. After starting singulair, things were increasingly worse. I noticed changes when he was first diagnosed with asthma and was given albuterol and pulmicort and prednisolon. His mood changed immediately and drastically. He became a fearful, spastic, nervous, easily set off little boy. Then he began Singulair and things were even worse, within 2 days he began nail biting and having tantrums, head butting and biting and was over excited at odd times. Once he began Nasonex, I thought I should take him to a psychologist, began exhibiting what I thought were autistic behavior, withdrawn, repetitive behavior. After reading this site, I am wondering if these meds are the culprit that changed my once happy, cheerful, very laid back little boy. Singulair was successful in eliminating his usage of albuterol, no attacks since, he is virtually asthma free with all the meds in the "athsma capital" that we live in, but I want alternatives, n M 3 1 months
5/27/2008
 1  Allergies Tics, facial and eye swelling,lack of appetite, stomach pains, nightmares, OCD tendencies, uncontrollable screaming bouts sometimes lasting an hour My Grandson is one of the children who has experienced these horrible side effects. In the two months that he has been taking singulair, I have watched my daughter and her husband become increasingly terrified at the changes in our happy loving little boy. I am urging each and everyone of you to contact Merck and the FDA and file a complaint in order to stop this drug from being used in children. It is one thing as an informed adult to take a medication with potential side effects, it is a totally different thing for a parent to give a medication that they have been led to "Believe" to be safe to their child. There is strength in numbers and if we all contact the news, Merck, FDA, any one we can think of and inform them about what is happening to our children on this drug, we will be able to stop other potential victims from experiencing what our families are going thru....Please I urge you to continue to spread the word about this drug - tell everyone you know. Remember, Mer M 3 2 months
5/23/2008
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 1  Asthma/Allergies Nothing at first, then hallucinations with sounds followed by bad dreams; finally he couldn’t sleep alone. My child acted as a normal 3-year-old, so at first I didn't suspect Singulair. Then after taking it for a few months, he was afraid to be in bed alone. Now recently he can't even sleep by himself. After reading other kids' reaction I decided to take him off. Please research the affects before giving a child ANY medication. M 4 8 months
5/22/2008
 5  Allergy/Asthma Thirsty alot This medicine helped my son greatly. Until he started taking singulair we would could not control his asthma, even with pulmicort. We would end up in the ER because he could not breath. It was really scary. I am thankful for this medicine. M 5 1 years
5/10/2008
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 1  Allergies Ear Problems Breating Tics, Eye Tics, Problems Focusing in School, hyperactivity, restlessness, agressiveness. My son was prescribed Singulair a few years ago. I wish I had found this site sooner. Over the last two years he has been experiencing body tics, eye tics and now breathing tics to the point where he hyperventilates himself. He has trouble listening and staying on focus in school. Despite his issues he still does well in school but every progress report is about not paying attention in class or going to fast. He also is at times misbehaved and agressive. M 8 2 years
5/8/2008
 3  mild asthma moodiness, easily frustrated, crying spells, upset stomache Thank you, I would have never connected the symptoms to singular. Although it has helped with the addition of Qvar to help control his asthma, I will now make an appointment with his pediatrition to stop singular and look into something else. He has been very emotional and has even started crying at school. He is having difficulty with school work and has always been in higher learning classes. I thought his moods were just a phase! I hope he does well without it, it does worry me to take him off the maintanence. He has been on it for almost two years.Has any one had any experiences with another allergy medicine? M 7 2 years
4/30/2008
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