Irrational behavior symptoms and conditions

My 6 1/2 year old daughter has been on Singulair for 3 1/2 to 4 years now and we have had horrible experiences! She was having night terrors, mood swings, angry issues, self control issues, crying over small things, etc. We have been to psychiatrists and psychologists who have diagnosed her with mood disorder, sensory processing disorder and anxiety disorder! Well she has recently been having stomach problems so we have been going to a GI to figure that out. I got online to research and found numerous sites that told how Singulair causes all these things in children. We took my daughter off the meds and within 3 or 4 days seen a tremendous difference! She is a totally different child! It just really frustrates me and saddens me that all these children and their families are going through all this and the doctors do not seem to care. The allergist or psychiatrist didn't believe me. They say no study has ever proven such things. I don't care what they say we as parents know our children and we are the experts when it comes to seeing how they change when on this medicine, we are the ones that live with them and are with them everyday not the doctors! I think they just don't want to lose out on their money from prescribing this drug 90% of children with allergies and asthma!

I have been on Aviane for about 6 months now, and hating it! I took Alesse for four years with not one problem. Same case as everyone else, I got switched to Aviane as it was "the same" and cheaper. I thought I was turning into a crazy person the last few months! I am very easily irritated, and snap at stupid things(never the case for me) I have TOTALLY lost my sex drive and have gained weight. My poor boyfriend has had no idea what to do with me and my irrational behavior and lack of desire. I am seeing my Dr. next week and asking to be put specifically back onto Alesse. Aviane is NOT the same as Alesse as is obvious by all these comments! Stick with what you know and don't let them switch you to generic versions of birth control!

After reading all the horror stories on here, me and my husband soon began to realize that we were having a lot of the side effects listed here and not listed on my son's actual Singulair prescription. The side effects my son had were behavioral changes, irrational behavior, inattentiveness, not able to stay on task or stay still -- in fact he broke his arm twice being so hyper, yelling, screaming and just plain mean.

We took our son off of Singulair as a trial for a few days. Immediately we began to notice differences in his behavior. He wasn't as agitated and quick to yell or get angry. (He's only 5 years old). He actually would be listening when we would speak to him. He would sit calmy and read books and the one huge thing he would do was look at us and smile. He even said to my husband once, "I love you Daddy," which just brought tears to our eyes. I never realized what a Singulair fog he was in and what it did to him. Here we were pretty close to getting him evaluated for ADHD or even Aspergers. So now we're in the same boat as others that are searching for other asthma meds to give my son. Right now we have gone back to Pulmicort, Xopenex, Nasonex and Allegra. I'm so glad I read this forum because I was desperately searching for answers for my sons behavioral issues. Oh, by the way he was on Singulair for 1-1/2 years.

Is there a potential explanation for the adverse psychiatric side effects of montelukast?

In my opinion, there are at least some very good clues based upon the work of the Chinese researchers.

A 2006 report indicated that they had localized (meaning found it was there) the CystLT1 receptor (same as the receptor that montelukast
Singulair blocks) in the neurons of the brain tissue of rats. In order to do that, they injected rat brain's with NMDA to cause a chemically induced state of excitotoxicity. Excitotoxicity is a common factor in Central Nervous System disease. They concluded that both 5-LOX and CystLT1 were upregulated by the excitotoxicity that they artificially created
with the NMDA. Therefore, there would be a potential link between neuron activity and CystLT1. Nerve cells are damaged by excitotoxicity. These researchers used NMDA to cause nerve damage which caused the CystLT1 to show up. NMDA was often used in human behavior studies to cause brain damage. They would then try to observe whether behavior was compromised to conclude what areas of the brain determined what behavioral response.

So I was thinking about the Chinese researchers as I was reading other posts. One post interested me particularly regarding the mother who described behavior that seemed like hypoglycemics when their snack doesn't arrive on time. So a light bulb went on. Glutamate, another excitotoxin, can build up in the brain to a level that is damaging if humans become excessively hypoglycemic. If glutamate concentration around the synaptic cleft reaches too high a level then neurons die. Clinically, it really does seem that many people experience things that sound like the effects of hypoglycemia. It could be only a coincidence. But then again, maybe not.

The Chinese researchers found the CystLT1 receptor in the rat brain neuron after brain damage. They found the CystLT1 receptor in the normal human brain in the microvascular endothelial cells and in neuron and glial-appearing cells in brain trauma or tumors.

What role does the CystLT1 play in brain function? If it exists in brain tissue, we can assume that it does have a function. If it plays a role in preventing or repairing neuron damage due to excitotoxins, then there would be a very direct link between Singulair and adverse psychiatric side effects.

http://www.chinaphar.com/1671-4083/27/1526.htm

The bottom line is that Merck owes people who take Singulair further research regarding it's effect on the brain.

Daughter was sick for 6 weeks with what started as a virus . Dr.'s said virus needed to run it's course and allergies were also bad so they put her on Singulair. When she wasn't improving they said she had mono. No improvement, still mono. Still not improving, more specific test, not mono. Dr's chalked it up as she had a virus and was now just depressed from being down for so long. Well when you have mono u r told not do anything and only rest. After weeks of doing this she was depressed and weak. Then we were told that the diagnosis was wrong and we were had been trying to nurse the wrong sickness. Dr's said to send her back to school. By that time our daughter was so far gone it wasn't possible. Every time we left the house she would scream and panic. Experiencing exhaustion and not her self (She loves school & was always a very happy child) I knew there had to be something wrong with her. They sent her to the hospital lab twice and found nothing. Still trying to say she is only depressed but now being rude about by saying that we were just giving her, her way. My husband & I decided that the Dr.'s were not doing there part and trying to get to the bottom of her illness. So we began looking at what had been different in her life over this period of time (5 weeks).The only thing that had changed in her life other than her catching a virus was that she was put on Singulair. We had enough common sense to know that some people may have a reaction to some medicines that others won't. And just because not every Dr. has experienced this doesn't mean it can't happen.We read the pamphlet and all of the side effects. Even the rare ones she was experiencing. Shaking that looked like seizures, body aches, numbness in fingers and toes, extreme fatigue, loss of appetite, weight loss, irrational behavior, anxiety, paranoia, coughing, depressed, swelling of the lips, hallucinations, blurred vision,screaming every time she left the house, and complaining of constant pain. We felt like that had to be what it was. So we researched it and found on medications.com story after story of children who had gone through the same thing that she was experiencing. Dr was very rude and said she had never heard of that before and just send her back to school. So my husband ad I made the decision to take her off the med. The day before we rushed her to the hospital was her last day on the Singulair. That turning point was the seizure like shaking,hallucinations, saying that she couldn't hardly see us.That night in the ER they ran a CT Scan and found nothing. They admitted her in the pediatrics unit and we began a week that felt much like a month. They started her on an IV. They called in different Dr's...resident Dr's, pediatricians, etc. Everyone said our theory on the Singulair was possible but since they had never personally experienced a case of that they just weren't sure.When no one could figure out what was wrong they then called in a neurologist. He was very concerned and immediately started assessing her and ordering blood work and tests. She had an MRI and an EEG. All came back normal. He listened to our theory and said it was possible but to be sure he wanted to test for for everything else to make sure nothing was being missed. She had lost 5 lbs before her hospital stay and not sure how much more after that but while in the hospital when I bathed her, it was so sad to see her stomach all shrunken in. They put her on 5 different medicines while in the hospital that we were so upset and torn because then we felt like she was being drugged. They had her on an IV the whole week she was there and hooked up to monitors.She had a couple of really bad episodes while she was there where she felt like she couldn't breath, couldn't stop shaking and then she lost her speech which scared us to death. They ended up sedating her to calm her down. That one episode was on a Wednesday and then Thursday they gave her another medicine and it looked like she was having a bad reaction to it....her eyes were open but she couldn't move her body. We were freaking out thinking something was wrong. I ended up crashing and had to be carried away. All the result of everything going on of course.Everyone on the staff was very frustrated at not being able to help her. We felt like we were loosing our baby.We continued slowly getting through the end of the week and weekend dealing with all the symptoms still. Dr came to the conclusion that he felt she had got a bad virus. Although, he never dismissed the fact that it could be the Singulair but said unfortunately there was no test to look for that. He said parents usually know their kids better than anyone though.Dr. said when she was released she would have to go to inpatient rehab because of the anxiety issues and because she had not walked for so long (4-5 weeks).Dr came in Monday morning and said if she did not start drinking more she was about 2 days away from a feeding tube. During the day she started drinking more and when he came back in that night he said she had drank enough and he took her off the IV and said she could go home and we could do outpatient rehab. We were so happy to take her home even though we knew it would be hard. So the next day, Tuesday, was very hard and we had very serious episodes with not talking, loss of hearing, shaking, still not walking and passing out. We called the Dr. at the hospital and they said it was all due to the anxiety. We were praying over her so hard. Well Wednesday she woke up and said she had no more pain, she was hungry, and she started walking again. We got our baby back! And there is no doubt in our mind that it was that Singulair. We know that it was. From the time we took her off of Singular to the time she was totally restored was 9 days. It happened just like the all the other parents had described. As soon as it was out of her system she all of a sudden came back to us. We decided to not take her back to those pediatricians. I recently took her for a follow up with her Allergist,who was not aware of what had happened and after hearing the story said that he had experienced two of his patients being allergic to Singulair and they had hallucinations. They were pulled off the medicine immediately so their cases were not as extreme as hers. Please be cautious! This was a devastating experience! Please feel free to email us. I have documented our whole story if you would like it emailed to you.

My father has always been level-headed and NOT ever prone to hallucinations. He is a rational and
He is in the hospital and for 4 days they have had him on this drug. . After a few days on it, he started seeing things that don't exist. He can be lucid one moment and then anxious and paranoid the next. He slips in and out of this irrational behavior. He becomes filled with fear that he is being abandoned by us and in an unknown place. He sees people and things that don't exist. He sweats and
trembles. We are very worried. Aren't there other antibiotics available? We are complaining, but hospital tries to pretend they have no clue as to these side effects.
NOW, After reading more about this dangerous and mind-altering drug, we believe that it needs to be withdrawn from the market and further tested. We are going through hell and my poor father is extremely confused and getting worse. We fear what will happen next. What can we do to get the hospital to withdraw this drug from him while at the ssame time continue to meet his needs? before this drug was administered, he was mentally stable. To clear an infection (pneumonia, which started in the hospital) do we need to sit by and watch an intelligent man become extremely disoriented, shakey, panicked and progressively becoming delusional???

I've been on Yasmin for about 8 months. After another totally neurotic night of fighting with my boyfriend and waking up this morning totally depressed, lying in bed crying for over an hour on a Saturday morning, I figured it was time to google Yasmin and read up on side effects.

What a relief to know I'm not crazy! Since I started Yasmin in the fall, I've lost all desire to do anything productive that used to bring me joy, like gardening, reading, etc. I have HUGE anxiety issues right now that seem to cause completely irrational behavior. I snap at people and often want to do nothing but lie in bed with the covers over my head. I can't tell you how many times in the last month I've felt like I hate everyone. This is NOT me.

Also, my breasts swelled immediately upon taking this pill, which I actually like! So at first I thought Yasmin was great. I do get a lot of bloating and back pain right before my period - and fatigue, depression, anxiety and loss of sex drive. Now that I'm reading up on it, I don't Yasmin is for me - although it may be great for somebody else.