Cromolyn Sodium
Gastrocrom (cromolyn sodium) is a mast cell stabilizer that helps control symptoms by preventing the release of inflammatory substances like histamine. It is primarily prescribed to manage symptoms of mastocytosis, including diarrhea, abdominal pain, flushing, and headaches, and may also be used for certain food allergies and allergic gastrointestinal conditions.
A mast cell stabilizer medication used to treat mastocytosis symptoms and allergic conditions affecting the GI tract.
Key facts at a glance
- RxNorm
- 217266
- Generic
- Gastrocrom
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treats symptoms of systemic mastocytosis such as diarrhea, abdominal pain, flushing, headache, and nausea; also used for food allergies and allergic conditions affecting the gastrointestinal tract when taken orally.
Stabilizes mast cell membranes, preventing degranulation and the subsequent release of histamine, prostaglandins, leukotrienes, and other inflammatory mediators that trigger allergic symptoms.
Must be taken regularly for optimal effect as it prevents symptom flare-ups rather than treating acute episodes; may take 2-4 weeks for full benefit; generally well-tolerated with minimal systemic absorption; commonly administered orally 30 minutes before meals for GI symptoms.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy