Europe — EMA
Optrex Allergy (Sodium Cromoglicate)
GNH USA supplies Optrex Allergy (Sodium Cromoglicate), a mast cell stabilizer for allergic conjunctivitis and ocular allergy.
Request sourcing
What is Sodium Cromoglicate?
Sodium Cromoglicate, the active ingredient in Optrex Allergy, is a mast cell stabilizer presented as an unknown/unknown for ocular use. It treats allergic conjunctivitis and ocular allergy in patients with seasonal or perennial eye allergies.
GNH USA supplies Optrex Allergy as a licensed, GDP-compliant international pharmaceutical supplier serving pharmacies and clinics worldwide.
What is Sodium Cromoglicate used for?
Sodium Cromoglicate is used to manage ocular allergic conditions by stabilizing mast cells and preventing histamine release.
- Allergic conjunctivitis: reduces itching, redness and watery discharge. - Ocular allergy: prevents symptoms such as itching and swelling of the eye. - Seasonal allergic conjunctivitis: provides relief during pollen seasons.
What are the side effects of Sodium Cromoglicate?
Sodium Cromoglicate may cause ocular irritation in some users.
Common Side Effects: - Stinging or burning sensation upon instillation. - Transient blurred vision. - Mild eye redness. - Increased tearing. - Temporary foreign body sensation. - Mild eyelid swelling.
Serious or Rare Side Effects: - Severe eye pain or swelling. - Persistent redness or inflammation. - Corneal ulceration. - Vision loss. - Allergic reaction with systemic symptoms. - Anaphylaxis.
What precautions apply to Sodium Cromoglicate?
Use Optrex Allergy only as directed by an eye‑care professional.
- Hypersensitivity: discontinue if you experience severe irritation or allergic reaction. - Contact lenses: avoid wearing lenses during treatment and for at least 15 minutes after each dose. - Children: consult a pediatric ophthalmologist before use in young patients. - Pregnancy and breastfeeding: safety not established; use only if clearly needed. - Systemic disease: inform your doctor of any ocular infections or corneal disorders. - Store at room temperature: keep in the original container, protect from moisture and light.
What does Sodium Cromoglicate interact with?
Sodium Cromoglicate may interact with other ocular medications.
Major Interactions (Avoid): - Concurrent use with other mast cell stabilizer eye drops may increase ocular irritation. - Simultaneous administration with topical corticosteroids may mask signs of infection.
Moderate Interactions (Monitor Closely): - Use with ophthalmic antihistamines may reduce overall efficacy. - Combination with contact lens solutions can affect lens comfort. - Co‑administration with systemic antihistamines may alter systemic absorption.



