Articles
Allergy medications: Know your options
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Antihistamines
Decongestants
Corticosteroids
Mast cell stabilizers
Leukotriene inhibitors
Allergen immunotherapy
Emergency epinephrine shots
Get your doctor's advice
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Allergy medications are available as pills, liquids, inhalers, nasal sprays, eyedrops, skin creams and shots (injections). Some are available over-the-counter; others are available by prescription only. Here's a summary of the types of allergy medications and why they're used.