Over the Counter (OTC) Drugs Market - Global Industry Size, Share, Trends, Opportunity, and Forecast, 2018-2028 Segmented By Product (Cough, Cold & Flu, Vitamins, Mineral, & Supplements (VMS), Analgesics, Gastrointestinal Products, Dermatology Products, Others), By Route of Administration (Oral, Parenteral, Topical, Others), By Dosage Form (Tablets, Capsules, Liquids & Solutions, Cream/Lotion/Oint