Asthma is a chronic inflammatory disease that affects the air passages that carry air from the nasal area and mouth to lungs and vice versa.

Causes:
Allergies
Smoke and tobacco
Environmental factors, like air pollution
Obesity
Stress, tension, and depression
Genetics
Lung infection during childhood
Premature birth
Certain foods, like fish, soy, eggs, peanuts, etc.
Excessive Exercise
Heartburn

Symptoms:
Difficulty in breathing
A wheezing or whistling sound while breathing
Coughing
Congested chest
Feeling tired while doing any physical activity
Frequent cold and cough
Uneasiness in sleeping

Home Remedies for Asthma:
Clove to Cope up Asthma
Ginger to Reduce Breathing Problem
Mustard Oil 
Figs 
Black Tea/ Coffee 
Eucalyptus Oil 
Honey 
Onions 
Fruits and Lemons
Fishes
Gooseberries (Amla)
Soup will help to Easy breathing
Bitter Gourd
Herbal Tea
Fennel Seeds
Warm Milk 

We are not doctors, We give you suggestion and tips in good faith and after research, It is better option to consult your physician before any thing you intake.
Thanks
[email protected]