I am 23 years old and I have a lumbricoides infection 1 years ago I ate medicine but I am still feeling gas, weight loss and indigestion what happing sir I do not have any idea I show many doctors and test like endoscopy ultra sound nothing is found in test but I am feeling very sick and week now a days .i have lower back pain also and some time yellowish liquid are seen in when I brush my teeth and acid reflux are came out. And sometimes too much mucus are seen in my stool chest and stomach and heavy gas. Is this a functional dyspepsia and can I take librax medicine?