Cough suppressant, pectoral, emollient e ligeiramente diuretic.
It is traditional used in the airways, cough, larynx affections.
May help reduce intestinal motility, hence its association with drastic purgatives.
Also indicated on gastro-intestinal ulcers.

Only ingredient.

Usage:
Make herbal tea infusion.

https://en.wikipedia.org/wiki/Liquorice