There are many different kinds of allergies. Each type of allergy has a different trigger. Food and medicine are common causes of these disorders, as are certain herbs and over-the-counter medications. Insect venom, moulds, animal dander, and chemicals are also common allergens. Allergies develop when the body’s immune system mistakenly considers the allergen as harmful, triggering the production of specific antibodies. These antibodies are of the IgE class, and are responsible for the onset of an allergic reaction.
The most common allergy is food. People with food allergies have overreacted immune systems to certain substances. Even small amounts of food can cause the symptoms of an allergy. The most common allergens include foods and proteins found in cow’s milk, egg whites, fish, shellfish, and tree nuts. While each type is different, they are generally classified as “food allergies” and can cause life-threatening reactions. These symptoms are most common when the allergen is present in a large enough quantity.
Other types of allergies include seasonal allergic rhinitis and perennial allergic eczema. Both types of allergies are caused by a person’s immune system overreacting to a specific food. While small amounts of certain foods can trigger an allergic reaction, it’s important to remember that these reactions can be triggered by anything, including a tiny amount of dust mite. Symptoms of food allergies can occur even when the allergen is only present in trace amounts.
Milk-protein allergies are the most common allergies in children, and are often life-threatening. Around 60% of the cases of these are immune-mediated, with the remainder due to inflammation in the colon. Some people are not able to tolerate goat or sheep milk, and may not be able to tolerate cheese. Some people cannot tolerate beef because it contains small amounts of protein. Those with milk allergies may also be lactose intolerant, a condition resulting in a lack of digestive enzymes.
Food allergies can be fatal and may affect the entire body. Some of the most common are seasonal allergies, and others are seasonal. There are also allergy types that involve the skin. These are usually the most severe. A person with a food allergy will have hives and vomiting, as well as difficulty breathing. However, many people do not have a serious food allergy, so it is crucial to consult a physician to determine what’s the best treatment.
A child with a food allergy will experience a severe allergic reaction. Most cases will appear within two hours of exposure to the food. Symptoms may include diarrhea, vomiting, and failure to gain weight. Once an infant has stopped eating the food, these symptoms will disappear. In some cases, it can be fatal, and symptoms may result in dehydration and even shock. In such instances, the blood flow to the body will not be sufficient.