Allergies

Allergies: Definition, Types, Symptoms, Causes, Diagnosis, Treatment and More

Allergies reaction happens when the immune system becomes very sensitive to certain things like food, pollen, medications, bee stings, and more. Being around these things, called allergens, can cause symptoms like swelling and hives. An allergen is something that triggers an allergic reaction. Many everyday things can be allergens, even if they’re harmless to most…

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