I had cold,cough,mucus for 15 days.I went to ENT doctor he prescribed me antibiotic with vitamin b capsule,Solvin Cold,cough syrup for 3 days.I took all this tablet for 2 day feeling lot better.antibiotic caused weakness in my body.is antibiotic causes weakness. In Last 15 days, i had 2 times breathing diffculty at night when im in sleep.Can i know the reason for this. I felt in sleep that i have diffculty to breath.