Childhood Diseases

Posted by: very tired mom | 2009/11/26


singulair and behaviour

Hi dr, I'  m a very worried and emotional drained mom tonight! My 6 yr old son has been on Singulair for the last 3 yr, for allergies, asthma, ect. His mood has worsened and he gets this terrible emotional outbursts! He is verbally VERY abusive towards me, shouting, calling me names ect. He is able to contain himself at school and with his friends. I have taken him of his Singulair for 2 weeks and his behavior changed dramaticly, he became my loving happy son again, but because of the increase in coughing and vomiting of mucus at night, I'  ve put him back on Singulair and within 3-4 days the bad behavior was back! He has been on the meds for the last 2 weeks now. Will it be save and fair towards him to take him of the meds again just to make 100 persent sure that it is the meds causing this problem? We are going on holiday for a week with my parents and for his own sake-|-well, I would like him to be in a better emotional state. Is it safe to play around with this meds? It seems as if I have to choose between a moody, emotional unstable son (who is being shouted at and punished the whole time) and a healthier son? Please, any advise is welcomed.

Expert's Reply



It would be best for you to stop Singulair as it does appear to be affecting your son's moods. There have been a few reports that Singulair may affect behaviour in a rather small number of children, although it is generally very safe. Unfortunately your son does not appear to be able to tolerate Singulair and his behaviour is affected. There are other medicines for asthma.Ask your doctor to put him on the inhaled forms of treatment which will not affect his moods. A good combination for him would be Seretide Inhaler 50/125 twice a day and Asthavent inhaler to be used if he starts to cough or wheeze.

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