Girls, hello ? It's been three weeks since we couldn't cure our son's …

Girls, hello ? It's been three weeks since we couldn't cure our son's cough. ? We took Span and Sinecod, it gets worse after them. Today we were at the pediatrician, she listened to him, said his breathing was tight, and prescribed inhalation, and Ospamox antibiotic, and probiotics. Who gave kids Ospamox? I don't want to give it, but there's no other way to treat him ? By the way, we didn't take antibiotics before, nothing bad about it, of course, but I'm afraid after this he will get sick more often (