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Allergy medications: Know your options

Mast cell stabilizers

Mast cell stabilizers block the release of chemicals in the immune system that lead to allergic reactions. These medicines are often safe but need to be used for several days to produce the full effect. Mast cell stabilizers are used when antihistamines are not working or well tolerated.

Nasal spray

Nonprescription nasal sprays include:

  • Cromolyn.

Eye drops

Prescription eye drops include:

  • Cromolyn.
  • Lodoxamide (Alomide).
  • Nedocromil.