By giving a regular fixed amount of house dust mite allergy extract every day, the body can become less sensitive to the effect of dust mites, reducing the symptoms of the allergic reaction over time.

Allergies are the ways your body responds to substances it sees as harmful. However, these substances are often harmless. For example, some people may sneeze and have watery eyes when they come in ...

Allergies are an immune system reaction to substances called allergens. The cause a range of symptoms from a stuffy nose to itchy eyes to difficulty breathing. How long allergies last varies based on ...

Food allergies occur when your body mistakenly identifies and treats an ingested food as a threat, triggering an immune system response. Even eating a tiny amount of the offending food can lead to ...

Cooking oils, which often appear in processed foods, can be a problem for people with food allergies. Even refined (purified) cooking oils can contain small traces of allergens, and a product's label ...

For people with a mosquito bite allergy, also known as "skeeter syndrome," symptoms are more severe than the itchy red bump of a mosquito bite. They can include a rash, large areas of excessive ...

A food allergy is when you have a reaction to a particular food after eating it. However, it is possible to be allergic simply to the smell of a food, too. In some cases, you may be reacting to the ...

Polyester is a synthetic fiber made of plastic. While an allergy to polyester is rare, fabrics made of polyester frequently contain chemicals or dyes, such as disperse blue, that are highly ...

A gluten allergy occurs when the immune system has an abnormal reaction to gluten, a protein found in the grains wheat, barley, and rye. Celiac disease is an autoimmune condition that causes a severe ...

The memorial for Jean-Marie Le Pen, who was known for his racist and antisemitic remarks, comes as the National Rally has become the driving force in French politics. By Richard Fausset and ...

A sulfite allergy is caused by exposure to sulfur-based compounds naturally found in certain foods and used in certain food preservatives and additives. This can lead to allergy symptoms like wheezing ...

A tree nut allergy occurs when a person cannot eat a certain type of nut because their immune system deems certain proteins found within it as harmful. This causes a reaction that can come with mild ...