Singulair Chewable Tablet 5 mg (Montelukast Sodium)

Adult dose

This medication is taken once daily, preferably in the evening for asthma patients. For allergic rhinitis patients, the timing should be adjusted based on the patient's condition. Patients with both asthma and allergic rhinitis should take one 5 mg chewable tablet at bedtime once daily. Administer the 5 mg chewable tablet 1 hour before or 2 hours after meals.

Child dose

Children aged 6 to 14 years should chew and take 5 mg of montelukast once daily. Administer the 5 mg chewable tablet 1 hour before or 2 hours after meals.

This medication contains the artificial sweetener aspartame, and patients with phenylketonuria, a hereditary condition that requires limitation of phenylalanine intake, should not take it. This medication contains lactose; therefore, patients with genetic issues such as galactose intolerance, Lapp lactase deficiency, or glucose-galactose malabsorption should not take it. This medication is used in patients with asthma and allergic rhinitis and may cause side effects such as weakness, fatigue, headache, indigestion, nasal congestion, coughing, and rash upon administration. In particular, abnormal reactions such as liver function abnormalities or eosinophilia may occur in some patients, so if any adverse symptoms appear, consult a healthcare professional immediately. This medication is not for treating acute asthma attacks, so an emergency bronchodilator should be used immediately in cases of acute symptoms. During treatment, it is advisable to avoid taking aspirin or non-steroidal anti-inflammatory drugs, especially for patients with aspirin hypersensitivity. Pregnant or nursing women should consult a doctor before taking this medication, and it should only be used when necessary. It is safe for pediatric patients but should not be used in infants under 6 months of age, as safety and efficacy have not been established. In cases of overdose, there are no specific antidotes, so general supportive care and supervision by healthcare professionals are necessary. This medication is sensitive to light, so do not open the packaging until just before taking, and take it immediately after preparation. Store in a place out of the reach of children and do not transfer to other containers. If psychiatric symptoms or adverse reactions occur during use, inform a physician immediately and seek advice. This medication should be taken regularly even when there are no asthma symptoms, and if symptoms worsen, consult a physician to adjust the treatment plan.

Serious side effects

Hives, severe swelling (edema), angioedema, chest tightness, difficulty breathing, anaphylaxis, severe allergic reactions, severe rash with high fever, blisters, skin peeling, pain in oral/ocular mucosa, toxic epidermal necrolysis, Stevens-Johnson syndrome, thrombocytopenia, severe skin reactions, shortness of breath or difficulty breathing, asthma attacks, respiratory issues accompanied by coughing and fever, jaundice (yellowing of the skin or eyes)

Mild side effects

• Weakness/Fatigue
• fever
• abdominal pain
• indigestion
• infectious gastroenteritis
• toothache
• dizziness
• headache
• nasal congestion
• cough

This medication is sensitive to moisture and light, so it should be stored at room temperature between 1°C and 30°C. It is also important to keep it in a sealed container to prevent air exposure.

Appearance

Pink double-convex round chewable tablet

Package unit

28 tablets/box [(7 tablets/PTP X 4)]