My 10month baby has severe cough. Doctor gave him cefixime+ofloxacin, salbutamol+theophyllin, paraceta, zinc syrup. Last nite he cry whole nite. Help pls.?

Probably medication. Salbutamol and theophylline are both asthma medications, and often help with cough, but irritability is a common side effect. It could mean that the child is getting too much for his weight. A nebulizer might be better. Don't give any more medicine untgil you discuss it with your doctor.
Response. Sick babies should always be evaluated in person. I would recommend taking baby back to the doctor if he seems worse.