Cough Remedies Market by Drug Type (Prescription, Non-Prescription or OTC); by Product Type (Oral Syrup, Tablets/Pills, Others); by End User (Hospital Pharmacies, Retail Pharmacies, E-Commerce/Online Pharmacies, Others); by Medical Practices (Homeopathy, Allopathic, Ayurveda, Others); By Severity (Chronic Causes, Acute Causes) by Regional Outlook (U.S., Rest of North America) – North America Insights, Growth, Size, Comparative Analysis, Trends and Forecast, 2018 - 2026’