hi sir...my name is akhil jain..i am an ibs patient and from last few days i have been suffering from lots of problem like heavy head, legs weak, improper digestion, gas after eating and sometimes even i feel like fainting...but it happens rarely or i am less energetic then it happens..doc has prescibed me to take somparz, sibofix, lesuride, cibis..etc are these medicines okay??