Most allergic reactions to food occur immediately after swallowing, although some can occur up to several hours afterwards food allergies are more common in families who have other allergic conditions such as asthma, eczema and hay fever rarely, people have an allergic reaction to fruit, vegetables and legumes.
Describe how to recognise and deal with allergic reactions to food what causes food allergy food allergies occur when the immune system mounts an attack on certain proteins in certain foods the substances in the food that cause this immune system response are called allergens the immune system is a complex network of cells and molecules that help defend the body against unknown substances.
A food allergy occurs when the body’s immune system sees a certain food as harmful and reacts by causing symptoms this is an allergic reaction foods that cause allergic reactions are allergens. Many allergic reactions are minor, but some reactions can be dangerous or even life-threatening, depending on the response of the individual's immune system to avoid as many allergic reactions as possible, child care providers should prepare, plan, and know children's history of allergic reactions preparing to handle allergic reactions in a child care setting individuals can have allergic reactions to foods, medications, animal dander, bee stings, plants, and pollens.
Recognize a delayed allergic reaction delayed reactions are common, especially several days after starting a new medication they usually involve an extensive skin rash that may be itchy this is not a dangerous reaction, and it is not associated with any of the other symptoms of allergic reactions described above. How to recognise and manage allergic reactions information for patients page 2 what is an allergic reaction an allergic reaction occurs when the body’s immune system reacts to a normally harmless substance an allergic person’s • food allergies are more common in people, who have other. The purpose of this sample health essay is to discuss the nature of allergens and allergic reactions allergens and allergic reactions th2 cells and their mediators and their mediators encourage the immune system to recognize allergens as an invader and mount a response against them not only food allergies, but so-called diseases of.
An allergic reaction to food can affect the skin, the gastrointestinal tract, the respiratory tract and, in the most serious cases, the cardiovascular system reactions can range from mild to severe, including the potentially life-threatening condition anaphylaxis.