Reviews for SINGULAIR

478 ratings: (age 12 or younger)

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 ANTIASTHMATICS BRONCODILATORS

 Type: Rx Drug
  

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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  Allergic Asthma My 7/8 year old daughter took this and experienced severe night terrors, anxiety, fear of death, INSANE aggressive behavior, kicking, hitting, etc., After discontinuing the medication she returned back to her normal, kind self although she still has some residual fear/night terrors. It isn't as effective for asthma as some physicians claim. Our pulmonologist suggested that a daily inhaler with occasional albuterol and maybe a daily anti-histamine is more effective at controlling the asthma. An allergist suggested the Singulair - the pulmonologist basically said it wasn't even needed. And he was right. She's gotten better in her behavior and asthma since stopping it. F 8 1 years
5mg 1X D
8/5/2020
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 1  Chronic cough Afraid to sleep alone possible night terrors. Obsessed with not letting anyone around her close their eyes. She did not want anyone going to sleep or take naps. She couldnít express why but it was causing her so much anxiety. She always had a little stutter that she most likely will grow out of but seemed to be magnified this week. With the stutter she started blinking her left eye which is new. Last night was her last dose and Iím hoping she will get back to normal. F 3.5 7 days
5mg
12/5/2019
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 1  Asthma Severe anxiety and OCD with intrusive thoughts Mental problems diagnosed by psychiatrist, completely went after discontinuing Montelukast. A very scary drug. M 11 28 days
5mgs
10/15/2019
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 1  Rhinitis Headache, leg & arm cramps & tingling, nausea, upset stomach, very yellow urine, neurological Psychiatric episodes, nightmares,severe anxiety which caused O.C.D., sensitive to light - over dialated pupils, behavioral issues, confusion, unable to learn properly reception to grade one, could not concentrate, mouth tic developed, dry mouth - thirsty, suicidal thoughts. Needs Authority Prescription, Specialist regulation prescribing only with Patient/Caregiver strict guidance of what side effects to look out for. Packaging requires external mandatory warnings of side effects. M 5 18 months
5mg
10/15/2019
 1  ALLERGY INDUCED ASTHMA EXTREME ANXIETY THAT INTERFERED WITH DAILY FUNCTIONING (UNCHARACTERISTIC OF TYPICAL BEHAVIOR.) F 8 3 years
30MG
10/15/2019
 1  CHEST CONGESTION HALLUCINATIONS AND VIVID NIGHTMARES AFTER JUST ONE DAILY DOSE. F 7 1 days
30MG
10/15/2019
 1  Allergy Suicide ideation, extreme anxiety, hallucinations, extreme nightmares (couldnít be woken up from) extreme melt downs & anger outbursts, self harm, extreme fear of sleep & being alone & many more unfortunately Doctors & pharmacists need to be educated on the high risks associated with this medication. There also needs to be more research in how to help & support those experiencing side effects & long term withdrawal M 5 2 years
5mg
10/15/2019
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 1  Asthma Suicidal Ideation, severe anxiety This should NOT be prescribed for children!! 9 2 years
5mg
10/15/2019
 1  My daughter had asthma. Neuropsychiatric meltdown. OCD, ADHD, nightmares, seizures, hallucinations. The anxiety and ADHD was during the medication, the rest of the symptoms came as Post Acute Withdrawl Syndrome. We literally lost our daughter for a little over four months to the side effects. Horrifying. Medical professionals are either woefully unaware or willfully ignorant of how this medication affects the human brain. Unfortunately you have to be a freelance pharmacist to protect yourself these days. We still get vaccines and take Advil and whatnot, but my GOD this drug destroys lives. I've seen it in hundreds of other cases firsthand. F 8 5 years
5mg
10/15/2019
 1  Seasonal allergies My then 2 year old was on this drug for mild allergies for 18 months she suffered extreme fear, anxiety, depression, memory loss, confusion, agression, self harm, tummy aches and pains in all parts of her body, always sad and scared, loss of communication and emotion, agression towards others and herself, bed wetting, Hallucinations, hearing voices, could not sleep or sleep alone. We were not informed of these neurospsychiatric side effects or any of these others we assumed it was a toddler and the terrible 2 and 3s but we now know it wasnt. We took her off and her recovery began with withdrawals and intensified side effects slowly she become the little girl I knew she always was. 6 months on and she has recovered but we dont know what damage that drug did to my little girl. This should not be given to children who cannot explain themselves or their emotions F 3 18 months
4mg
10/15/2019
 1  Pediatric mild asthma Night terrors hallucinations agression emotional imbalance anxiety crying waking up screaming no refusing to go back to sleep for hours My 21m old daughter was prescribed for mild exercise induced asthma. After a week on this monster she did not resemble my child anymore. Extreme irritibility waking up with night terrors followed by hallucinations screaming no in her sleep. Heartbreaking experience. She stopped taking it a week ago. The sleep is going back to normal but her emotional state is a wreck. F 1 21 days
5mg
10/15/2019
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 1  Seasonal allergies HORRIFIC neuropsychiatric side effects that lasted months after ceasing drug. This drug is very dangerous and should NEVER be prescribed to children for seasonal allergies. The benefits do not outweigh the risks. Although the FDA has issued warning issues and listed neuropsychiatric side effects in the packaging, the medical community is generally unaware of these side effects and consider them rare. Unfortunately, they are not rare. M 12 3 weeks
5mg
10/15/2019
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 1  Asthma allergies Behavior problems, night terrors, sleep problems, anxiety, panic attacks, depression, suicidal, emotional breakdowns and this continues. She is 16! I am so frustrated that no one in the medical field informed me of the life altering psychiatric changes. No one! Not 1! My child is forever changed by this drug! F 8 7 days
10
10/15/2019
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 1  My son took it for asthma with alle Horrible night terrors, anxiety, anger, depression, constant crying, fear, upset stomach, loss of appetite, weight loss. This drug is dangerous for our kids! Get it off the market. My child still has lingering issues even after stopping this nightmare drug. M 6 100 days
10
10/15/2019
 1   Sore teeth, headaches, tummy aches, uncontrollable anxiety and obsessive thoughts, bouts of anger, bouts of crying, depressed thoughts. My son had been taking this medication for several months and it appeared to be helping his asthma greatly. About 3 months in we noticed a change in his behaviour which started with obsessive thoughts about things that could harm him- I put it down to changes at home however things got a whole lot worse to the point where heís saying horrible things about himself, heís constantly worried about things harming him and he lashes out or bursts into tears at the slightest issue. I have stopped this medication 4 days ago and Iím praying all these horrible side effects start to disappear and we get our boy back. DO NOT GIVE THIS TO YOUR CHILDREN!!! M 5 4 months
11/3/2018
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 1  Allergy and Child Asthma Preventive Hallucinations, Night Terrors, Aggression, Screaming at night SHOULD BE TAKEN OFF THE MARKET. My 20 months old has been having night terrors for about 4 months now and hallucinations this past month. Her grandmother started researching singulair and found the link to hallucinations and night terrors. I have completely stopped giving her this medicine. I can't believe Pediatricians are prescribing this drug to children with these types of side-effects. Every child is different but the risk of a child having hallucinations is not worth it. I wish I caught this earlier. Now I need this medicine to get out my baby's system. F 1.5 6 months
1X D
5/14/2018
 1  Asthma My 5 year old daughter was prescribed singular for Asthma. The day after she began taking t she began urinating every 5 to 10 minutes. Talks constantly about having a broken leg and wanting to have a baby. We didn't know this is what was causing these problems. She took it for 14 days and all these problems are still going on. It should be banned for children under 18 years old. My daughter needs a detox it has been 4 days since we ended the Singulair. Praying there are no long time problems. I reported to the FDA but what will they do? Ended the relationship with that allergist, very unsafe. F 5 10 days
4mg
3/11/2017
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 1  Asthma Gave one dose to my 3 year boy. He could not sleep the whole night and complained about flu like symptoms. Ear pain, slight fever and tummy ache were most notable and also is listed as common side effects. Heart was accelerated and he complained of strange dreams. All from one dose!!! This is a 3 year old that sleeps a solid 10 hours a night with no issues. This stuff is poison. Glad we found out after only one dose. I feel terrible for those who suffered long term issues from long term use of this drug. We immediately discontinued the drug and learned a valuable lesson. We even asked the doctor about "notable side effects" and he said "there are none". No more trusting this pediatrician (we thought he was one of the good ones) !! M 3 1 days
5mg
12/4/2016
 1  Asthma My son suffered severely on Singulair, intense stomach pain with vomiting, exhaustion, anxiety, paranoia, agitation, suicidal thoughts, suicide attempt, fleeing behaviour, nose bleeds, memory issues, set off intolerance to artificial additives, leg pain, OCD, long bouts of crying 1.5 hrs, nightmares, concentration issues. Recovery has been very slow. Long term side effects and withdrawal were observed. We have a Montelukast (Singulair) side effects support & discussion group if you are interested https://www.facebook.com/groups/40378158644/ M 5 3 years
4mg
11/16/2016
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 1  My 6yo son was taking for mild asthma Hallucinations Night terrors Difficulty paying attention Severe mood swings Crying M 6 1 years
5mg
8/31/2016
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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.   (Sources: U.S. Centers for Medicare Services, FDA)

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