The side effects of improper use of Licorice root can be severe so make sure to follow the correct dosage. Some of the possible side effects are trouble breathing, stiff joints, water retention and headaches. Long term overuse can also lead to high blood pressure. People with liver problems should avoid this herb.
In most cases the side effects will only occur if too much of this herb is ingested and at low doses there are no issues. Licorice can interact with prescription medicines so make sure to check with a doctor before taking it.