Boehringer Sputolysin Powder 420GSputolysin alters the constituents and viscosity of abnormal respiratory mucus and improves the efficiency of the respiratory tract clearance mechanism. A secondary antitussive action has also been demonstrated. The effect on mucus can change the character and frequency of a cough and alter the consistency and quantity of nasal discharges. Therefore, in some cases, there will be an initial increase in visible nasal discharges and or frequency of cough