Prescription Singulair (value) Drug Information

ADDITIONAL MONITORING OF YOUR DOSE OR CONDITION may be needed if you are taking other asthma medicines, rifamycin antibiotics (e.g., rifampin), or certain medicines which stimulate liver metabolism (e.g., phenytoin, phenobarbital, carbamazepine). HOW TO USE THIS MEDICINE: This medicine may be taken on an empty stomach or with food. Generally, if this medicine is being taken for asthma, it is taken once daily in the evening. If taking for hay fever (seasonal allergic rhinitis), take the medicine at about the same time each day (either morning or evening). If you are taking for both asthma and hay fever, take the medicine in the evening. CAUTIONS: THIS MEDICINE WILL NOT STOP AN ASTHMA ATTACK once one has started. IF YOU ARE ALSO USING A BRONCHODILATOR INHALER, be sure to always carry the inhaler with you to use during asthma attacks. CONTACT YOUR DOCTOR PROMPTLY IF YOUR SYMPTOMS DO NOT IMPROVE or if they become worse while you are using this medicine. CONTACT YOUR DOCTOR PROMPTLY if your short-acting inhaler use increases or if use exceeds the 24-hour maximum prescribed by the doctor. FOR WOMEN: IF YOU PLAN ON BECOMING PREGNANT, discuss with your doctor the benefits and risks of using this medicine during pregnancy. IT IS UNKNOWN IF THIS MEDICINE IS EXCRETED in breast milk. IF YOU ARE OR WILL BE BREAST-FEEDING while you are using this medicine, check with your doctor or pharmacist to discuss the risks to your baby. POSSIBLE SIDE EFFECTS: SIDE EFFECTS that may occur while taking this medicine include unusual weakness, stomach upset, diarrhea, dizziness, cough, headache, nausea, vomiting, trouble sleeping, or mouth pain. If they continue or are bothersome, contact your doctor. CONTACT YOUR DOCTOR IMMEDIATELY if you experience hallucinations, fever, persistent sore throat or earache, or flu symptoms. CONTACT YOUR DOCTOR IMMEDIATELY if you experience any of these highly unlikely but serious side effects including stomach pain, muscle aches/cramps, irregular heartbeat, yellowing eyes/skin, numbness/tingling of the hands or feet, easy bruising or bleeding, swelling, or seizures. AN ALLERGIC REACTION to this medicine is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include rash, itching, severe swelling, severe dizziness, or trouble breathing. If you notice other effects not listed above, contact your doctor, nurse, or pharmacist.