Stomach Problems & Remedies

Which type doctor required for irritable bowel syndrome, Gastroenterologist or neurology please suggest

Which type doctor required for irritable, gastroenterology or neurology doctor , which doctor is best

My brother is suffering from hepatitis B, doc diagnose as acute hepatitis, his test details are follows: Hepatitis B E antigen- 0.51 Hepatitis core IGM-  17.21 Hepatitis A-    non-reactive Hepatitis C- non reactive Hepatitis E- non reactive Doc prescribe Ursodeoxycholic Acid -300mg twice daily. And suggest bed rest. And to drink fluids.  Will this medicine is enough to cure ? I have heard from my friend that a injection of hepatitis B should be given. But doc does not give any injection yet. Please advise what should I do? Will i continue this medicine? Is injection required? Please advise in details. Note- Today I observe few rushes on his body and swelling of foot. And fever comes every night. Please help what to do?

Lost of weight lost appetite discomfort bloting breathing problems pain after eating   bloating ..,.

I am having pain in upper stomach every night for 3 days now. Please suggest what needs to be done for it.

Need alternative to adiza 10mg tablet since manufacturing of adiza 10mg is now stopped. Adiza 10mg is now out of stock.

I have constipation problem and piles grade 2 and fissure problem which can be managed by diet had been to proctologist they suggested fissurectomy and cryosurgery... But it is manageable do I need undergo surgery..

Burning sensation in the upper part of the stomach  , and some times back pain may be pinching kind of irritation .

Getting urine by 10 Minutes and getting motion immediate after any consumption of anything in the body

Is that okay drinking whey protein and working out with this condition? (attachment 1:endoscopy result) I am taking these medicines right now: esoz 40 placida librax I have completed a course before these medicines (those are attached 2) (please replay)