Sodium Cromoglicate
Rx/OTC
Generic NameSodium Cromoglicate
Therapeutic ClassMast Cell Stabilizer
Common Strength2%, 4% eye drops; 2 mg/spray nasal; 20 mg capsules
PregnancyGenerally considered safe
Indications ▼
Allergic Conjunctivitis: Prevention and relief of itching, redness, and watery eyes caused by allergens.
Allergic Rhinitis: Symptomatic relief of sneezing, nasal itching, and runny nose due to seasonal or perennial allergies.
Exercise-Induced Bronchospasm: Prevention of asthma attacks triggered by physical exertion.
Mastocytosis: Management of symptoms associated with abnormal mast cell activation.
Mechanism & Pharmacokinetics ▼
Mechanism: Stabilizes mast cell membranes, preventing release of histamine and other inflammatory mediators, thus reducing allergic symptoms.
Pharmacokinetics: Poorly absorbed systemically when given topically; acts locally at site of administration. Onset may take several days for maximal effect in chronic therapy.
Dosage & Administration ▼
| Indication | Dose | Frequency |
|---|---|---|
| Allergic conjunctivitis (eye drops) | 1–2 drops per eye | 4 times daily |
| Allergic rhinitis (nasal spray) | 1–2 sprays per nostril | 3–4 times daily |
| Exercise-induced bronchospasm | 20 mg capsule | 4 times daily, 1–2 hours before exercise |
Note: Use regularly for optimal effect; may require 1–2 weeks for maximum relief.
Side Effects ▼
Mild eye or nasal irritation
Cough, throat irritation, or headache (inhalation)
Rare: hypersensitivity reactions
Contraindications ▼
Hypersensitivity to sodium cromoglicate or excipients
Drug Interaction ▼
No significant systemic drug interactions reported due to minimal absorption.
Pregnancy & Lactation ▼
Generally considered safe; consult physician before use
Clinical / Research Summary ▼
Clinical Role: Preventive therapy for allergic conditions, especially in eyes, nose, and respiratory tract.
Advantage: Non-steroidal, minimal systemic absorption, safe for long-term use.
Limitation: Delayed onset; not suitable for acute symptom relief.
Monitoring: Observe for local irritation or hypersensitivity reactions.
Patient Counseling Points ▼
Use regularly for best effect
Do not stop abruptly without consulting physician
Report eye/nasal irritation or allergic reactions
For exercise-induced bronchospasm, take before physical activity
Storage & Handling ▼
Store below 25°C
Protect from light and moisture
Keep out of reach of children
Brand Names (Bangladesh & Global) ▼
Medical Disclaimer: For educational purposes only. Not a substitute for professional medical advice.
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