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MONTELUKAST (mon te LOO kast) is used to prevent and treat the symptoms of asthma. It is also used to treat allergies. Do not use for an acute asthma attack.
This medicine should be given by mouth. Follow the directions on the prescription label. Take this medicine at the same time every day. You may take this medicine with or without meals. Do not chew the tablets. Do not stop taking your medicine unless your doctor tells you to.
Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed. While this drug may be prescribed for children as young as 15 years of age for selected conditions, precautions do apply.
Side effects that you should report to your doctor or health care professional as soon as possible:
allergic reactions like skin rash or hives, or swelling of the face, lips, or tongue
fever or infection
painful lumps under the skin
pain, tingling, numbness in the hands or feet
sinus pain or swelling
suicidal thoughts or other mood changes
unusual bleeding or bruising
yellowing of the eyes or skin
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
anti-infectives like rifampin and rifabutin
medicines for diabetes like rosiglitazone and repaglinide
medicines for seizures like phenytoin, phenobarbital, and carbamazepine
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
Keep out of the reach of children.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Protect from light and moisture. Keep this medicine in the original bottle. Throw away any unused medicine after the expiration date.
They need to know if you have any of these conditions:
an unusual or allergic reaction to montelukast, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
Visit your doctor or health care professional for regular checks on your progress. Tell your doctor or health care professional if your allergy or asthma symptoms do not improve. Take your medicine even when you do not have symptoms. Do not stop taking any of your medicine(s) unless your doctor tells you to.
If you have asthma, talk to your doctor about what to do in an acute asthma attack. Always have your inhaled rescue medicine for asthma attacks with you.
Patients and their families should watch for new or worsening thoughts of suicide or depression. Also watch for sudden changes in feelings such as feeling anxious, agitated, panicky, irritable, hostile, aggressive, impulsive, severely restless, overly excited and hyperactive, or not being able to sleep. Any worsening of mood or thoughts of suicide or dying should be reported to your health care professional right away.
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