This medicine is used for the following purposes:
- allergy symptoms
- prevent asthma attacks
- asthma
Brand Name(s): Singulair
Generic Name: Montelukast
Instructions
Chew the pill and swallow.
This medicine may be taken with or without food.
This medicine will work best if you take it at about the same time every day.
Keep this medicine at room temperature. Protect from moisture and high humidity.
It is important that you keep taking each dose of this medicine on time even if you are feeling well.
If you forget a dose, just wait. Use the next dose at the usual time. Do not use 2 doses at once.
Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.
This medicine will not stop an asthma attack once it has started. If you have an inhaler to stop an asthma attack, be sure to always carry that inhaler with you to use during an asthma attack.
Do not suddenly stop taking this medicine. Check with your doctor before stopping.
Cautions
Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.
Do not use the medication any more than instructed.
Tell the doctor or pharmacist if you are pregnant, planning to be pregnant, or breastfeeding.
Do not share this medicine with anyone who has not been prescribed this medicine.
Some patients have serious side effects from this medicine. Ask your pharmacist to show you the information from the Food and Drug Administration (FDA) and discuss it with you.
Side Effects
Call your doctor or get medical help right away if you notice any of these more serious side effects:
- agitated feeling or trouble sleeping
- difficulty concentrating
- depression or feeling sad
- bad dreams
- hallucinations (unusual thoughts, seeing or hearing things that are not real)
- mood changes
- muscle aches, spasms or abnormal movements
- unusual behavior during sleep such as walking, talking, cooking, eating, making phone calls or driving
- stuttering
- suicidal thoughts
A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.
Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.
IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it. Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions. Always follow their advice.
There is a more complete description of this medicine available in English. Scan this code on your smartphone or tablet or use the web address below. You can also ask your pharmacist for a printout. If you have any questions, please ask your pharmacist.
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More information about MONTELUKAST - ORAL
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Conditions of Use: The information in this database is intended to supplement, not substitute for the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express Terms of Use.