blossom pollen

What is allergic asthma?

Respiratory inflammation can have different triggers, so asthma is divided into the following three forms:

  • Allergic asthma
  • Eosinophilic asthma
  • Mixed forms

Allergic (extrinsic) asthma is an allergic reaction of the body to inherently harmless substances. The body develops an allergy to triggers such as pollen or animal hair.

Allergic asthma

The cause of allergic or extrinsic asthma is, as the name suggests, an allergy. In the case of an allergy, the body’s own immune system reacts excessively strongly to inherently harmless substances. Such allergy triggers or allergens can be, for example:

  • blossom/grass/tree pollen
  • animal hair
  • nuts or
  • dust mites

The allergens trigger a so-called allergic early reaction in the body, which is associated with the increased production of immunoglobulin E (IgE). An elevated IgE level is detectable in the blood. Immunoglobulin E (IgE) is a defense substance of the immune system. It consists of proteins that fend off foreign substances such as parasites. IgE plays an important role in the development of allergies.

The subsequent late allergic reaction can develop into a chronic inflammation and cause asthma symptoms. A distinction is made between seasonal asthma and non-seasonal asthma.

Seasonal allergic asthma

Woman in the forest

This type of asthma is caused by a pollen allergy. Depending on the pollen flight, the pollen occurs only during a certain season.

Outside the pollen season, seasonal asthmatics have no symptoms and lung function returns to normal.

Non-seasonal allergic asthma

cat

These asthmatics have symptoms all year round, e.g. due to a house dust mite allergy, mold infestation, or animal hair.

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