Your mother is suffering from asthma and as per your own description, it`s not severe. Hence her asthma should respond to inhaled steroids
. Many preparations are available like seretide
accuhaler, serflo, esiflo, foracort etc both as rotacaps and MDIs. Beside this she should take asthalin
inhaler, montair lc and doxyphyllin. Only if asthma symptoms are severe, then oral steroids are given for a short duration. She should avoid smoke, dust, extreme temp, colas, artificial flavours and colours, oily, spicy food. She should avoid mental stress
, have a good night sleep and do some physical exercise like walking.