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Allergic Reaction Topic Guide

Allergic Reaction Allergic Reaction: An allergic reaction is an overreaction to a harmless substance. Symptoms and signs of an allergic reaction include hives, rashes, swelling, itching, wheezing, nausea, and even anaphylactic shock in severe reactions. Treatment involves avoiding triggers, taking oral antihistamines, applying anti-inflammatory steroid creams, and using an EpiPen.
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Eye Allergies
Eye Allergies Common allergens include trees, mold, dust mites, grasses, pets, and weeds. Symptoms and signs of eye allergies include swelling around the eyes, eye redness, tearing, and mucous production. Treatment of eye allergies may involve eyedrops antihistamines and/or nasal steroids.

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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, water...learn more »

desloratadine Desloratadine

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

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, wat...learn more »

triamcinolone (nasal) Triamcinolone (nasal)

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

fexofenadine Fexofenadine

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

hydroxyzine Hydroxyzine

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

cyproheptadine Cyproheptadine

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

promethazine (injection) Promethazine (injection)

Promethazine is in a group of drugs called phenothiazines (feen-oh-THYE-oh-zeens)...learn more »

promethazine (rectal) Promethazine (rectal)

Promethazine is in a group of drugs called phenothiazines (FEEN-oh-THYE-a-zeens). It works by changing the actions of chemicals in your brain. Promethazine a...learn more »

promethazine (oral) Promethazine (oral)

Promethazine is in a group of drugs called phenothiazines (FEEN-oh-THYE-a-zeens). It works by changing the actions of chemicals in your brain. Promethazine a...learn more »

cromolyn sodium (ophthalmic) Cromolyn Sodium (ophthalmic)

Cromolyn sodium is an anti-inflammatory medication. It works by preventing the release of substances in the body that cause inflammation...learn more »

epinephrine injection Epinephrine Injection

Epinephrine is a chemical that narrows blood vessels and opens airways in the lungs. These effects can reverse severe low blood pressure, wheezing, severe sk...learn more »

prednisone Prednisone

Prednisone is a steroid. Prednisone prevents the release of substances in the body that cause inflammation. Prednisone also suppresses the immune system...learn more »

diphenhydramine Diphenhydramine

Diphenhydramine is an antihistamine. Diphenhydramine blocks the effects of the naturally occurring chemical histamine in the body...learn more »

cromolyn sodium (oral) Cromolyn Sodium (oral)

Cromolyn sodium is an anti-inflammatory medication. It works by preventing the release of substances in the body that cause inflammation...learn more »

cromolyn sodium (inhalation) Cromolyn Sodium (inhalation)

Cromolyn sodium is an anti-inflammatory medication. It works by preventing the release of substances in the body that cause inflammation...learn more »

cromolyn sodium (nasal) Cromolyn Sodium (nasal)

Cromolyn sodium is an anti-inflammatory medication. It works by preventing the release of substances in the body that cause inflammation...learn more »

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