Montestachu Tablets 4mg (Montelukast Sodium)
Montelukast Sodium
Prescription medication
IQUR Co., Ltd.
MFDS item code 201802663 · Approved 2018.06.27
This product's status changed to Expired on 2023.06.27. It may no longer be sold, so consult a doctor or pharmacist before taking it.
Prevention of asthma and relief of allergy rhinitis symptoms
This medication helps to prevent and manage asthma. It also relieves symptoms of seasonal and perennial allergic rhinitis. Therefore, it is effectively used for the management of asthma and allergic rhinitis.
Adults and adolescents aged 15 years and older should take 10 mg of Montelukast orally once daily. Patients with asthma and allergic rhinitis should take 1 tablet, 1 pack, or 1 dose in the evening once daily. This medicine should be administered one hour before meals or two hours after meals.
Children aged 6 to 14 years should chew 5 mg of Montelukast once daily or place it on the tongue and let it dissolve or disintegrate without water. Children aged 2 to 5 years should take 4 mg of Montelukast once daily.
This medicine contains the artificial sweetener aspartame and must not be taken by patients with the hereditary condition phenylketonuria. Care should be taken not to exceed the WHO recommended intake of aspartame, and adults should adhere to the maximum daily dosage. Patients with allergies to any component of this medication or specific hereditary conditions such as lactose intolerance should avoid use. Various side effects have been reported in asthma and allergic rhinitis patients, so if symptoms such as fatigue, headache, rash, or dyspepsia occur during treatment, consult a physician. Particularly, symptoms related to neuropsychiatric conditions or eosinophilia may occur, and it is essential to inform healthcare providers of any such changes. This medication is not to be used for acute asthma attacks; a rapid-acting inhaler must be kept and used during emergencies. Patients with hypersensitivity to aspirin should not take aspirin or non-steroidal anti-inflammatory drugs while on this medication. Women who are pregnant or breastfeeding should use this medication only when necessary and consult with a healthcare professional. Caution is also advised when administering this medication to children or the elderly, and especially in infants under 6 months, as safety and efficacy have not been established. In case of overdose, there is no specific antidote, so immediate medical attention is required. This medication is sensitive to light, so do not open the packaging until just before administration, and store in a place out of reach of children. During treatment, do not arbitrarily reduce or stop the dosage of other asthma medications, and it is important to follow the physician's instructions closely.
Hives, severe swelling, chest tightness, shortness of breath, cold sweat, pallor, severe allergic reactions, severe rashes with high fever, blisters, skin peeling, pain in oral/eye mucosa, severe skin adverse reactions, difficulty breathing or shortness of breath, asthma attacks, respiratory abnormalities accompanied by cough and fever, breathing problems, yellowing of the skin or eyes (jaundice), extreme lethargy, liver abnormalities (jaundice), sudden and severe
Not everyone experiences these, and they can vary from person to person.
This medication is sensitive to moisture and light, so it should be stored at room temperature between 1 and 30 degrees Celsius. It is important to keep it in a tightly sealed container to prevent air ingress.
Pink chewable tablets with a biconvex oval shape
28 tablets (7 tablets/PTP x 4)
Even with the same ingredient, strength, dosage form and how it is taken can differ.
Montelukast Sodium
Prescription medication
IQUR Co., Ltd.

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Even with the same ingredient, the dose and directions can differ by strength and dosage form. Talk to a doctor or pharmacist before switching from a medication you are already taking.
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For anything that needs medical judgment, consult a doctor or pharmacist.
This drug information is based on data provided by the Korea Ministry of Food and Drug Safety.
Consult a doctor or pharmacist for accurate dosage, administration, and usage instructions.