hi, thank you for your query, the possible causes for your symptoms are- 1.Irritable bowel syndrome (IBS) 2.Hypothyroidism 3.iliohypogastric nerve entrapment IBS is a common intestinal condition characterized by abdominal pain and cramps; changes in bowel movements (diarrhea, constipation, or both); gassiness; bloating; nausea; and other symptoms.. the other common symptoms are- -They always include abdominal pain, which may be relieved by defecation; -diarrhea or constipation; or diarrhea alternating with constipation. -Other symptoms—which vary from person to person—include cramps; gassiness; - bloating; nausea; a powerful and uncontrollable urge to defecate (urgency); - passage of a sticky fluid (mucus) during bowel movements; -or the feeling after finishing a bowel movement that the bowels are still not completely empty Much about the condition remains unknown or poorly understood; however, dietary changes, drugs, and psychological treatment are often able to eliminate or substantially reduce its symptoms. thank you, wishing you good health