More information about Allergic Reaction Symptoms
An allergic reaction occurs when your bodys a foreign substance that typically don’t pose a threat to the human body, called an allergen. You can inhale, eat, and touch allergens that cause a reaction or even use them as treatment..Read about allergic reaction testing, symptoms, causes, treatment, and prevention. Allergy symptoms and signs include swelling, hives, and rashes. Severe allergic reactions may cause anaphylaxis..