We recommend

EkspertoHerb Species expectorantia

 This is a mixture of herbs having expectorant and antiseptic effects. The tea helps in liquefaction of thick sputum and bronchial secretion, facilitates breathing and expectoration. It is recommended in cases of acute and chronic inflammation of upper respiratory organs resulting in productive coughing.
Instructions for use: Pour 2 dl of hot water over a tablespoonful of tea and leave for 15 minutes. Drink 2 dl tea sweetened as desired, three times a day.