The medicines below all contain the following active ingredient: montelukast. You can select a medicine from this list to find out more - including side effects, age restrictions, food interactions and whether the medicine is subsidised by the government on the pharmaceutical benefits scheme (PBS).
If you take montelukast, you should be aware there is potential for neuropsychiatric events associated with this medicine. Events include agitation, sleep disturbance, depression, and sometimes suicidal thinking or behaviour.
If you notice a change in behaviour, seek medical attention.
If the person taking montelukast is a child or their symptoms are severe, such as suicidal thinking or behaviour, seek urgent medical attention.
For more information, read the Therapeutic Goods Administration's safety alert.