Bromhexine is a mucolytic agent that breaks down the thick mucus in the respiratory tract. Learn about its indications, contraindications, side effects, precautions, and available brands in India and internationally. Bromhexine is an oral mucolytic agent with a low level of associated toxicity. It acts on the mucus at the formative stages in the glands, within the mucus-secreting cells. Bromhexine disrupts the structure of acid mucopolysaccharide fibres in mucoid sputum and produces less viscous mucus, which is easier to expectorate Bromhexine thins airway secretions, improving breathing and discomfort associated with thick mucus in airways associated with a variety of respiratory conditions. Learn about Bromhexine uses, dosage, side effects, food interactions, and more. Get all the details about Bromhexine from MedicinesFAQ. Bromhexine is a mucolytic drug used to decrease the viscosity of mucus in the airway, enhancing mucus clearance.