I have been experiencing abdominal pain mostly on...

: Managment
When et talk about pain in lower left and middle of abdomen , we have multiple causes of this pain will descripe below ,  according to case can manage it , if has gastroesophagul reflex can manage by preventive methods as do not eat before sleep about 3 hours , elevate your head when sleeping , decrease your weight , eat healthy food and perform sport daily and can use drug as fomitidine or omprazole , if has diverticulosis should avoid constipation by eat food rich eith fibers as banana and drink lot water and liquids and can use stool softner , if all fall can go to surgery , Ulcerative ve chrons can treat by avoid spicy , cola and smoking and use drug as corticosteroid or immunosupressent as azthoprine actually need doctor to descripe this drugs , if cancer treat mainlly by surgery then chemo or radiotherapy , But if has abdominal gases can use probiotic drug assist to relax your abdoman 
: Causes of left lower and middle abdominal pain 

• Gastroesophagul reflex disease
• Diverticulosis 
• Ulcerative colitis 
• Chrons diseaes
• Abdominal gases and irritable bowel disease 
•  Colon cancer