• Chewable tablets of SINGULAIR are for children 6 to 14 years old.

• Phenylketonurics: SINGULAIR chewable tablets contain 0.842 mg phenylalanine.

• Research with SINGULAIR has not been done in children younger than 6 years old.

Patients with allergies to any components of SINGULAIR should not take SINGULAIR. Your doctor or pharmacist has a list of the components of SINGULAIR.

• Take SINGULAIR regularly once a day in the evening.

• Take SINGULAIR daily for as long as your doctor prescribes it, even if you have no symptoms.

• If your symptoms get worse, contact your doctor at once.

• Do NOT take SINGULAIR to relieve an asthma attack. If an attack occurs, you should follow the instructions your doctor has given you for asthma attacks.

• Do not share SINGULAIR with anyone else; it was prescribed only for you.

• Keep SINGULAIR and all medicines out of the reach of children. Children who are prescribed SINGULAIR should take it under the supervision of an adult.

• It is very important that you continue taking your other asthma medicines unless your doctor tells you to stop.

• Your doctor may decide to reduce the amount you use of your current asthma medication.

• Scientific studies done so far suggest that SINGULAIR will not change the way other medicines work that you may be taking.

• However, because studies cannot look at all medicines, it is important to tell your doctor about all other medicines you are taking, including those you can get without a prescription.

Like all prescription drugs, SINGULAIR may cause side effects. In studies, side effects usually have been mild. They generally have not caused patients to stop taking SINGULAIR.

• The list below is NOT a complete list of side effects reported with SINGULAIR. Your doctor can discuss with you a more complete list of side effects.

• The side effects in patients treated with SINGULAIR were similar in type and frequency to side effects in patients who were given a placebo (a pill containing no medication).

Some of the side effects reported in studies included:

tiredness
fever
abdominal (stomach) pain
stomach or intestinal upset (gastroenteritis)
heartburn
dizziness
headache
rash

Remember, anytime you have a medical problem you think may be related to SINGULAIR, talk to your doctor.

This leaflet provides a summary of information about SINGULAIR. If you have any questions or concerns about either SINGULAIR or asthma, talk to your doctor. In addition, you can talk to your pharmacist or other health care provider. Your doctor or pharmacist can give you an additional leaflet that is written for health professionals.