Generic & Brand Names
Generic: Sodium Cromoglycate (Cromolyn Sodium)
Common Brands: Intal®, Lomudal®, Nasalcrom®
Drug Class
Mast Cell Stabilizer Anti-allergic Anti-asthmatic Mechanism of Action
Sodium cromoglycate stabilizes mast cells and prevents the release of inflammatory mediators such as histamine and leukotrienes. It does not act as a bronchodilator and is used for prevention.
Indications
- Prophylaxis of bronchial asthma
- Allergic rhinitis
- Allergic conjunctivitis
- Food allergy (oral formulation)
- Exercise-induced bronchospasm (prevention)
Dosage (General)
- Inhalation: 20 mg (1 capsule/ampoule) 4 times daily
- Nasal spray: 1 spray each nostril 4–6 times daily
- Eye drops: 1–2 drops in affected eye(s) 4 times daily
- Oral (food allergy): As per specialist advice
Dose may vary with age and formulation.
Side Effects
- Throat irritation or cough (inhalation)
- Nasal irritation
- Headache
- Nausea
- Bad taste
Contraindications & Precautions
- Hypersensitivity to cromoglycate
- Not for acute asthma attacks
- Use regularly for prophylactic effect
Pregnancy & Lactation
Generally considered safe. Use only if clearly needed and under medical supervision.
Key Notes
- No immediate bronchodilator effect
- Maximum benefit after regular use for several weeks
- Often used in pediatric asthma prevention