My mother was under treatment for asthma and diabetics from 17th April. She took rotocaps for asthma and januvia 50 mg (daily one) for diabetics. She became alright in 2 weeks. sugar level became normal and asthma was under control. On 4th may she got viral fever and cough . We met a doctor and he gave few medicines. (asthalin Expectorant, Dolo 650, Combitide 250, zostum O and montek LC. But cough increased and the sputum became yellow and sometimes greenish. I took her to hospital again (another doctor) , he gave another medicines. she has taken the medicines 2 times now. but even now the cough has not yet reduced. She is not to lie down. she hasnt slept from last 5 days. her body, throat and head is paining because of the cough. A lot of sputum is coming. Please tell me why her cough is not coming down, why she is not responding. please help