Ambroxol, the active ingredient of this medication, belongs to a group of medications called mucolytics, which act by reducing the viscosity of mucus, thinning it and facilitating its elimination.
This medicine is indicated to facilitate the elimination of excess mucus and phlegm, in colds and flu, for adults and children from 2 years of age.
You should see a doctor if it worsens or does not improve after 5 days.