<s>[INST] Hi my 1 year old daughter was told that she has baby asthma {she kept coughing very often}, doctor gave me fenistil drop to give her twice a day to open her airways {they very narrow} how long I should keep giving her these drops, obviously she is much better now, but I am worried if I stop the cough will come back [/INST] Hello, Thank you for asking at Chat Doctor. I went through your history and would like to make suggestions as follows:1. Feisty Chat Doctor.  So basically they treat nose-throat (upper airway) related cough. They have not a great role in childhood asthma (lower airways).2. If she is not having symptoms, and you have completed the duration of the course suggested by doctor, I would suggest you to discontinue the  </s>