Allergic Reaction Topic Guide

Allergic Reaction Allergic Reaction: Allergic reactions can cause swelling, hives, rashes, and anaphylaxis in severe cases. Learn about allergy testing, symptoms, causes, treatment, and prevention.

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Allergic Reaction Topic Guide - Medications and Vitamins

Medications:

epinastine ophthalmic Epinastine Ophthalmic

Epinastine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, wate...learn more »

desloratadine Desloratadine

Desloratadine is an antihistamine that is used to treat the symptoms of allergies, such as sneezing, watery eyes, itching, and runny nose.

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flunisolide nasal Flunisolide Nasal

Flunisolide is a steroid. It prevents the release of substances in the body that cause inflammation...learn more »

fexofenadine and pseudoephedrine Fexofenadine And Pseudoephedrine

Fexofenadine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, wa...learn more »

triamcinolone (nasal) Triamcinolone (nasal)

Triamcinolone nasal (for the nose) is a steroid medicine used to treat sneezing, itching, and runny or stuffy nose caused by seasonal allergies or hay fever....learn more »

fexofenadine Fexofenadine

Fexofenadine is an antihistamine that is used to treat the symptoms of seasonal allergies (hay fever) in adults and children...learn more »

cetirizine Cetirizine

Cetirizine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, wate...learn more »

hydroxyzine Hydroxyzine

Hydroxyzine reduces activity in the central nervous system. It also acts as an antihistamine that reduces the effects of natural chemical histamine in the b...learn more »

cyproheptadine Cyproheptadine

Cyproheptadine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, ...learn more »

promethazine (injection) Promethazine (injection)

Promethazine is used to treat or prevent nausea and vomiting caused by anesthesia or surgery, certain types of allergic reactions, pain caused by surgery or ...learn more »

promethazine (rectal) Promethazine (rectal)

Promethazine is used to treat allergy symptoms such as itching, runny nose, sneezing, itchy or watery eyes, hives, and itchy skin rashes...learn more »

promethazine (oral) Promethazine (oral)

Promethazine is used to treat allergy symptoms such as itching, runny nose, sneezing, itchy or watery eyes, hives, and itchy skin rashes...learn more »

cromolyn sodium (ophthalmic) Cromolyn Sodium (ophthalmic)

Cromolyn sodium works by preventing the release of substances in the body that cause inflammation...learn more »

epinephrine injection Epinephrine Injection

Epinephrine injection is used to treat severe allergic reactions (anaphylaxis) to insect stings or bites, foods, drugs, and other allergens...learn more »

prednisone Prednisone

Prednisone is a steroid that reduces inflammation in the body, and also suppresses your immune system...learn more »

diphenhydramine Diphenhydramine

Diphenhydramine is an antihistamine that is used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms./...learn more »

cromolyn sodium (oral) Cromolyn Sodium (oral)

Cromolyn sodium works by preventing the release of substances in the body that cause inflammation...learn more »

cromolyn sodium (inhalation) Cromolyn Sodium (inhalation)

Cromolyn sodium works by preventing the release of substances in the body that cause inflammation...learn more »