Allergy treatments include the following:

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• Avoid allergens. Your doctor will help you identify and avoid triggers for your allergy. Generally, this is the most important step in preventing allergic reactions and reducing symptoms.

• Medicines. Depending on your allergy, medications can help reduce the reaction of your immune system and relieve symptoms. Your doctor may suggest over-the-counter or prescription medications in the form of pills or liquids, nasal sprays, or eye drops.

• Immunotherapy. For severe allergies or those that are not completely relieved by other treatment, your doctor may recommend allergen immunotherapy. This treatment involves a series of injections of purified allergen extracts, usually administered over a period lasting a few years.

• Emergency epinephrine. If you have a severe allergy, you should probably always carry an emergency epinephrine shot with you.