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What Is Immunotherapy? Immunotherapy, commonly known as allergy shots, is a long-term treatment that helps reduce the body’s sensitivity to allergens. How Immunotherapy Works Treatment involves gradually exposing the immune system to small amounts of allergens over time. This helps the body become less reactive. Who Can Benefit Immunotherapy may be recommended for patients with:…

What Is Allergy Testing? Allergy testing helps identify substances that may be causing allergic reactions. It is used to support diagnosis and guide treatment decisions. Types of Allergy Testing Common types of testing include: The type of test recommended depends on your symptoms and medical history. What Testing Can Identify Allergy testing may help identify:…

What Is the Immune System? The immune system is the body’s defense system against infections and harmful substances. It works to identify and eliminate bacteria, viruses, and other threats. How the Immune System Works The immune system uses a network of cells and proteins to: This process helps maintain overall health. When the Immune System…

What Is an Insect Sting Allergy? An insect sting allergy occurs when the immune system reacts to venom from stinging insects such as bees, wasps, hornets, or yellow jackets. Types of Reactions Reactions to insect stings can vary: Local Reaction Large Local Reaction Systemic (Allergic) Reaction Who Is at Risk? Individuals who have experienced severe…

What Are Eye Allergies? Eye allergies, also known as allergic conjunctivitis, occur when the eyes react to allergens in the environment. Common Symptoms Symptoms may include: Common Triggers Eye allergies are often caused by: How Eye Allergies Are Managed Treatment options may include: Treatment is tailored based on severity and triggers. When to See a…

How Allergies Affect the Sinuses Allergies can cause inflammation in the nasal passages, which affects the sinuses. This can lead to blocked drainage and ongoing discomfort. Common Symptoms Symptoms of sinus allergy issues may include: Common Causes Allergy-related sinus symptoms are often triggered by: Why Symptoms Persist When inflammation continues: Treating the underlying allergy is…

What Is Eczema? Eczema, also known as atopic dermatitis, is a chronic skin condition that causes inflammation, dryness, and irritation. It often begins in childhood but can affect individuals of all ages. Common Symptoms Eczema symptoms may include: Symptoms may come and go and vary in severity. Common Triggers Eczema flare-ups may be triggered by:…

What Is Anaphylaxis? Anaphylaxis is a severe, life-threatening allergic reaction that occurs rapidly after exposure to a trigger. It requires immediate medical attention. Common Symptoms Symptoms of anaphylaxis may include: Symptoms can worsen quickly and require urgent treatment. Common Triggers Anaphylaxis may be triggered by: How to Respond to Anaphylaxis Immediate action is critical: Early…

What Is Angioedema? Angioedema is swelling that occurs beneath the surface of the skin. It commonly affects areas such as the face, lips, eyelids, and throat. Common Symptoms Symptoms may include: How It Differs from Hives Unlike hives, angioedema: Possible Causes Angioedema may be triggered by: When to Seek Medical Care Immediate medical attention is…

What Are Hives? Hives, also known as urticaria, are raised, itchy welts that appear on the skin. They can vary in size and may move from one area of the body to another. Common Symptoms Hives typically present with: Acute vs. Chronic Hives Hives can be classified as: Acute HivesLast less than 6 weeks and…