Montelukast Chewable Tablets 4 mg (Montelukast Sodium)

Adult dose

Adults and adolescents aged 15 years and older should take 10 mg of montelukast orally once daily. This medication should be taken 1 hour before meals or 2 hours after meals. For those with both asthma and allergic rhinitis, take 1 tablet, 1 pack, or 1 film orally in the evening once daily.

Child dose

Children aged 6 to 14 years should take 5 mg of montelukast once daily by chewing or placing it on the tongue to dissolve without water. Children aged 2 to 5 years should take 4 mg of montelukast once daily by chewing or placing it on the tongue.

This medication contains aspartame, an artificial sweetener, so patients with phenylketonuria, a genetic disorder, should not take this medication. This medication contains lactose, so it should not be administered to patients with genetic issues such as galactose intolerance, lactase deficiency, or glucose-galactose malabsorption. Various adverse reactions such as fatigue, headache, abdominal pain, cough, and rash may occur during the use of this medication. If symptoms are severe or persist, consult a doctor. In particular, patients with asthma may rarely experience serious symptoms such as systemic eosinophilia or vasculitis. Therefore, if symptoms such as breathlessness or skin rash occur, immediately inform medical personnel. This medication is not for treating acute asthma attacks; appropriate emergency medications must be used during acute symptoms, and this medication should be taken continuously for asthma control. Patients who are hypersensitive to aspirin or non-steroidal anti-inflammatory drugs should avoid these medications while taking this medication. Women who are pregnant or breastfeeding should consult a doctor before taking this medication and should take it only if necessary. Children and the elderly can also safely use this medication, but careful observation for potential adverse reactions is required. When taking this medication, follow the prescribed dosage, and in the case of overdose, seek immediate medical treatment as there is no specific antidote. This medication is sensitive to light; therefore, it should not be opened until it’s ready for use, and should be taken immediately after opening. Finally, if neurological or psychiatric symptoms or changes in behavior occur during the use of this medication, inform medical personnel immediately.

Serious side effects

Hives, toxic epidermal necrolysis, skin and mucous membrane syndrome, angioedema, severe swelling (edema), increased bleeding frequency, thrombocytopenia, severe neurological symptoms including convulsions, pulmonary eosinophilia, liver abnormalities (increase in ALT and AST, cholestatic hepatitis, hepatocellular liver damage, and mixed liver injury), severe edema accompanied by elevated blood pressure, respiratory issues including wheezing, difficulty breathing, and respiratory distress.

Mild side effects

• Weakness/fatigue
• fever
• abdominal pain
• indigestion
• infectious gastroenteritis
• tooth pain
• dizziness
• headache
• nasal congestion
• cough

This medication is sensitive to moisture and light; store it at room temperature between 1°C and 30°C. It is also important to store it in a sealed container to keep out air.

Appearance

Pink, oval-shaped, chewable tablet with a biconvex surface on both sides

Package unit

28 tablets (7 tablets/PTP x 4), 30 tablets (10 tablets/PTP x 3)