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  • Active Ingredients:

    Cromoglicic Acid (Cromolyn Sodium)

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OTC: No Prescription Required

Crolom is an anti-allergy OTC eye treatment

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Cromoptic Generic 2%
13.5 mL
Our price: $17.00

Crolom, also known as cromoptic, is a medicine used as a mast cell treatment. It is used to prevent allergy symptoms in the eyes. 

Crolom contains cromoglicic acid (cromolyn sodium), which is part of the anti-allergy medicine group. It works by blocking the secretion of certain substances that may cause allergy symptoms, such as histamine and SRS-A.

Stop using this treatment and consult a doctor immediately if stinging, swelling, or redness of the eyes worsens. This may indicate an allergic reaction.


The most common side effects may include burning or stinging of the eye or blurred vision that usually appears right after the treatment and shouldn’t last long. Another common side effect that may occur is mild irritation of the eye.


If these side effects worsen or persist or if you experience other side effects, consult a doctor or healthcare provider for further instructions.

Crolom eye drops are indicated for treating allergy symptoms in the eyes and are usually used as a preventative treatment. 

For best results, this treatment should be used at set intervals according to the pharmacist’s or doctor’s instructions.

  • What is the drug Crolom used for?
    Crolom is an eye drop treatment used to help prevent allergic eye conditions. It is used to help prevent and slow symptoms of an allergic reaction, such as eye itchiness.
  • Is Crolom over the counter?
    Yes, Crolom is an over the counter drug and a prescription is not required.
  • Are Crolom eye drops an antihistamine?
    Crolom eye drops are part of an allergy medicine group and are mast cell stabilizers. Crolom works by blocking the secretion of certain substances, like histamine and SRS-A, that may cause allergic symptoms.
  • What are the side effects of Crolom?
    Possible side effects of using Crolom may include stinging, burning, or blurred vision. These side effects should appear right after applying the drops and are not expected to last long. Another side effect may be mild irritation of the eye. If side effects worsen or persist, it is advised to contact a doctor or healthcare provider for further instruction.
  • How many times a day can I use Crolom eye drops?
    Crolom eye drops can be administered up to four times a day at set intervals. The recommended dose is 1-2 drops in each eye or as instructed by a doctor or healthcare provider.

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