Less than 18 years Severe renal failure Severe liver disease Pregnant or breastfeeding woman or with a positive pregnancy test result Subjects on immune-modulating drugs for other diseases subjects on other clinical trials for COVID-19 within 30 days before or after randomization Subjects in other drug clinical trial Having an allergy to bromhexine hydrochloride or its ingredients

Less than 18 years Severe renal failure Severe liver disease Pregnant or breastfeeding woman or with a positive pregnancy test result Subjects on immune-modulating drugs for other diseases subjects on other clinical trials for COVID-19 within 30 days before or after randomization Subjects in other drug clinical trial Having an allergy to bromhexine hydrochloride or its ingredients