The dextromethorphan hydrobromide market is estimated at USD 5.61 million in 2026, is projected to reach USD 6.28 million by 2036 and is forecast to register a 1.1% CAGR between 2026 and 2036. In 2026, finished-dose manufacturers hold 68.0% of buyer type demand and cough suppressant represents 64.0% of application sales.