hai, my daughter is4months old, she got severe cold, running nose, not taking milk at all.my doc , prescribed her levolin, & azithromycin first. then too she was not good, her cold become severe, now doc has given her phenergan syp & montair tab. now she is quiet ok, but still got blocked nose & not not taking milk. what shall i do? will ther be any sideeffects for these drugs?