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  2. Allergy - Wikipedia

    en.wikipedia.org/wiki/Allergy

    Aside from these ambient allergens, allergic reactions can result from foods, insect stings or insect bites, and reactions to medications like aspirin and antibiotics such as penicillin. Symptoms of food allergy include abdominal pain , bloating , vomiting, diarrhea , itchy skin, and swelling of the skin during hives .

    • Paranasal Sinuses

      The paranasal sinuses are joined to the nasal cavity via...

    • Signs and symptoms

      Substances that come into contact with the skin, such as...

    • Cause

      Risk factors for allergy can be placed in two general...

    • Pathophysiology

      In the early stages of allergy, a type I hypersensitivity...

    • Diagnosis

      Effective management of allergic diseases relies on the...

    • Prevention

      Giving peanut products early may decrease the risk allergies...

  3. Allergic response - Wikipedia

    en.wikipedia.org/wiki/Allergic_response

    Many substances can trigger an allergic reaction. Common triggers of a reaction include foods, likes nuts, eggs, milk, gluten, fruit and vegetables; insect bites from bees or wasps (often a severe response occurs); environmental factors such as pollen, dust, mold, plants like grass or trees, animal dander; medications or chemicals.

  4. Anaphylaxis - Wikipedia

    en.wikipedia.org/wiki/Anaphylaxis

    Anaphylaxis is a serious allergic reaction that is rapid in onset and may cause death. It typically causes more than one of the following: an itchy rash, throat or tongue swelling, shortness of breath, vomiting, lightheadedness, and low blood pressure.

    • Insect bites, foods, medications
    • Over minutes to hours
  5. When people come in contact with something they are allergic to, there can be many different reactions. Their eyes may become very itchy, and their noses may become drippy or stuffy. They may cough and sneeze. They may develop a rash called hives. Their faces may swell up. If it is a food allergy, the person may get an upset stomach.

  6. Acute allergic reaction - WikEM

    wikem.org/wiki/Acute_allergic_reaction

    ↑Guideline] Zuberbier T, Asero R, Bindslev-Jensen C, Walter Canonica G, Church MK, Giménez-Arnau AM, et al. EAACI/GA(2)LEN/EDF/WAO guideline: management of urticaria.

  7. Allergic Reaction | Alvin and the Chipmunks Wiki | Fandom

    alvin.fandom.com/wiki/Allergic_Reaction

    Allergic Reaction is an episode of the ALVINNN!!! and The Chipmunks series. While training for a TV baking competition with Eleanor, Theodore develops an allergy to an unknown ingredient.

  8. Anaphylaxis is a serious allergic reaction. It begins suddenly and may cause death. Anaphylaxis has many symptoms, such as an itchy rash, throat swelling, breathing problems, and low blood pressure. Common causes include insect bites, foods, and medications. Anaphylaxis happens when a person eats, breathes in, or is injected with an allergen. Their immune system over-reacts. It sends out special proteins from inside certain white blood cells. These proteins can start an allergic reaction or make

  9. Hives - Wikipedia

    en.wikipedia.org/wiki/Hives

    Hives frequently occur following an infection or as a result of an allergic reaction such as to medication, insect bites, or food. Psychological stress, cold temperature, or vibration may also be a trigger. In half of cases the cause remains unknown. Risk factors include having conditions such as hay fever or asthma.

    • Red, raised, itchy bumps
    • Based on symptoms, patch testing
  10. Chemical reaction - Simple English Wikipedia, the free ...

    simple.wikipedia.org/wiki/Chemical_reaction

    Some reactions are fast, and others are slow. Some happen at different speeds, depending on temperature or other things. For example, wood does not react with air when it is cold, but if it is made hot enough, it will start to burn. Some reactions give out energy. These are exothermic reactions. In other reactions, energy is taken in.

  11. Photodermatitis - Wikipedia

    en.wikipedia.org/wiki/Photodermatitis

    Photodermatitis, sometimes referred to as sun poisoning or photoallergy, is a form of allergic contact dermatitis in which the allergen must be activated by light to sensitize the allergic response, and to cause a rash or other systemic effects on subsequent exposure. The second and subsequent exposures produce photoallergic skin conditions which are often eczematous. It is distinct from sunburn.