Not all asthma is caused by allergy, but in many cases allergy plays a part. However, foods which are most commonly associated with allergy include peanuts, seafood, dairy products and eggs. Cow milk allergy in infants may occur and can cause eczema, asthma, colic and stomach upset. It may also lead to failure to thrive. This also causes stomach upsets, but must not be confused with allergy.
Hives are white itchy bumps which look and feel like insect bites.
Food may be a factor in some cases of hives and eczema. Most allergic reactions are mild and do not cause major problems, even though for many people they may be a source of extreme irritation and discomfort. However, a small number of people may experience a severe allergic reaction called anaphylactic shock. It is a serious condition which requires immediate life-saving medication. Some of the more frequent allergens which may cause this are shellfish, peanuts and insect stings.