Medicine info: Active ingredients
Adrenaline (epinephrine) is a hormone that helps you react more quickly in a stressful situation. Adrenaline is also used as an emergency treatment for a severe allergic reaction (anaphylaxis). Learn more here.
Allergies and hypersensitivities
An allergic reaction occurs when the immune system overreacts to a substance. Find out about common allergies, their symptoms and treatments.
Allergic reactions to cow's milk
About 1 in 50 infants has an allergic reaction to cow’s milk. Learn more here about allergy to milk proteins.
Insect bites and stings
Most insect bites will clear up in a day or two, although some people can have severe allergic reactions (anaphylaxis). Learn more about insect bites and how to handle allergic reactions.