Constipation Treatment Market Size, Share & Trends Analysis Report By Drug Class (Laxatives, Bulk-forming laxatives, Osmotic laxatives, Stimulant laxatives, Other Laxatives, Chloride Channel Activators, Guanylate Cyclase-C (GC-C) Agonists, Prokinetic agents & serotonin agonists, Others), By Disease Type (Chronic Idiopathic Constipation, Irritable Bowel Syndrome with Constipation, Opioid-induced Constipation, Others), By Route of Administration (Oral, Rectal, Parenteral, By Distribution Channel, Hospital Pharmacies, Drug Store & Retail Pharmacy, Online Pharmacies) and By Region (North America, Europe, APAC, Middle East and Africa, LATAM) Forecasts, 2026-2034