Laxatives Market, by Drug Type (Bulk-forming Agents, Emollient Agents (Stool Softeners), Lubricant Agents, Stimulant Agents, Hyperosmotic Agents, Saline Laxative Agents, Chloride Channel Activators, and Others), by Availability (Over-the-counter and Prescription), by Drug Type (Generic and Branded), and by Route of Administration (Oral and Rectal) - Global Industry Insights, Trends, Outlook, and Opportunity Analysis, 2022-2028