I Have A Kid Of 5 Months Old .he Is

I have a kid of 5 months old .he is having cough from last 2 months .till today he has consumed several type of anti biotics prescribed by doctors .now before several days we consult a new doctor he stopped all the medicines like cough syp and anticold.and has prescribed to nebulize our baby with livolin 0.31 t.I.d for three days
.and also told that when ever our baby gets cough or flu just start nebulize your baby with livolin 0.3.now my question to u is that .is livolin nebulization safe for our baby and for how long