Likewise with cough caused by allergies. Cough due to allergies may be prolonged or intermittent during allergy triggers are not resolved. The division of the cough itself is very varied. One is according to the cause, i.e., allergy or infection.
Causes of allergic cough are:
- Substances that get into the environment and then inhaled. For example, house dust, mites (a kind of small tick), smoke particles, animal dander, pollen, or chemicals are sprayed (insect repellent, perfume, and hairspray).
- Certain chemical substances contained in food (allergen). For example, food coloring, food preservatives, and histamine in some types of seafood.
- Process cough and allergic inhalant allergen is a substance that enters the body will trigger the production of excess mucus and causes swelling in the respiratory tract. As a result, the nerve endings in the mucous membranes become aroused and there arose a cough.
- Colds and sneezing, when swelling occurs in the mucous membranes of the upper respiratory tract causing a stuffy nose.
- Cough sometimes accompanied by shortness of breath, and breathes sounds (wheezing) or asthma. When swelling occurs in the mucous membranes of the lower respiratory tract (lungs all channels), narrowing of the respiratory tract may occur.