Constipation Treatment Market Size, Share & Trends Analysis Report By Product Type (Mu-Opioid Receptor Antagonists, Laxative, Chloride Channel-2 Activator, Guanylate Cyclase-C (GC-C) Agonist, Others), By Disease Type (Opioid-Induced Constipation, Chronic Idiopathic Constipation, Irritable Bowel Syndrome with Constipation), By Prescription Type (Prescribed Drugs, Over-the-Counter Drugs), By Distribution Channel (Online Pharmacy, Drug Store and Retail Pharmacy, Others) and By Region(North America, Europe, APAC, Middle East and Africa, LATAM) Forecasts, 2023-2031