151 results found
Health Features
… Document Spanish Document Vietnamese An allergic reaction occurs when a person's immune system … with food allergies are at risk of having a severe allergic reaction called anaphylaxis. It …
Health topics
… by producing antibodies to fight them. In an allergic reaction , the immune system starts to fight … symptoms. A reaction is more serious when a severe allergic reaction ( anaphylaxis ) …
HealthLinkBC Files
… 100a What is a severe allergic reaction to a food? An allergic reaction occurs …
Health topics
… Overview Allergy to dye Allergic reactions to tattoo dye are rare. The … from cadmium, and the blue from cobalt. Allergic reactions to red dyes occur more often … of the immune system . An allergic reaction can range from mild and annoying to …
Health topics
… Overview The reaction that you have to a jellyfish or … to the mouth or throat can cause sudden and severe swelling, which can be life-threatening. … delayed for several hours or days. A severe allergic reaction ( anaphylaxis ) may affect …
Health topics
… small doses of substances that you are allergic to ( allergens ) under your skin. This … allergen, which can result in fewer or less severe symptoms of allergic rhinitis . Your … you get the shots, in case you have a severe reaction ( anaphylaxis ) to the injected …
Health topics
… Condition Basics What are allergies (allergic rhinitis)? Allergies happen when you … animal dander. Your allergies can be mild or severe. Mild allergies can be managed with home … irritated nose or lungs may make an allergic reaction more likely when you breathe in an …
Health topics
… Overview Experts can classify allergic rhinitis by how often a person has it and how severe it is. Allergic rhinitis is: … allergic rhinitis is caused by an allergic reaction to a substance present in the …
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… and last up to a few days. A few people have severe reactions to the toxin injected by the insect or spider. A toxic reaction occurs when insect or spider venom … and difficulty breathing may occur in an allergic reaction, these symptoms will not …
Health topics
… to insect stings and reduce the risk of a severe allergic reaction ( anaphylaxis ). Do not get allergy …