There are certain things and factors which bring on asthma symptoms. List of some of those are given below:-

A. Allergens

1. Dust mites: – These are the most common indoor allergens which are associated with asthma. Mites are microscopic insects. Mites and their faeces in house dust constitute the main source of dust-derived allergens. Like animals, human beings also shed dander’s (skin flakes), which are food of dust mites. Mites are usually found in bed sheets, beds, pillows, carpets, mattresses, furniture’s etc. Mite sensitive patients develop sneezing and wheezing mainly in the morning.

2. Cockroaches: – Allergy to cockroaches is found in many persons.

3. Pet animals: – Pet animals like dogs and cats can cause asthma in people who are sensitive when pets go outside then pollen, fungus spores get stuck to their furs which are carried by them when they return back and enter inside the house. Pet shed saliva fur and dander all over the house. The sticky saliva holds together the fur and the dander.

Pollen, fungus spores, fur, dander all can trigger off symptoms of asthma. Even a slight exposure to dander can cause narrowing of the airways of peoples who are sensitive to dander.

4. Fungus: – In some persons symptoms of asthma may occur more frequently in some particular season. It means those persons are sensitive to fungi and pollen. Through the windows or other openings of the house fungus spores can enter inside the house along with the wind and settle on house hold goods like mattresses, bed, cushions, furniture etc. In damp, dark and poor ventilated places fungi can grow. In basement, within systems used for cooling and humidification fungal growth can be seen.

5. Pollen grains: – Pollens from grasses, weeds and trees are common pollen allergens associated with asthma.

6. Moulds: – Yeast products including cakes, mushrooms, airborne spores etc.

7. Food: – Those babies who have food allergies have chances of asthma later in life. Milk, ice-cream and other dairy products are likely to cause coughing, wheezing, etc. Some other foods which are associated with asthma are wheat, eggs, oranges, grapes, nuts, bananas, mushrooms, processed foods etc.

8. Chemicals in food (food additives): – There are various types of food additives like food colors, chemicals added to foods for artificial flavors, sweeteners, preservatives etc. Some of these may cause allergic reaction. Continue Reading »