Horseradish is a plant. The roots are often prepared as a condiment. The roots are also used as medicine.
Some people take horseradish by mouth for urinary tract infections, kidney stones, fluid retention, infections of the respiratory tract, cough, achy joints (rheumatism), gallbladder disorders, sciatic nerve pain, gout, colic, and intestinal worms in children.
Some people apply horseradish directly to the skin for painful and swollen joints or tissues and for minor muscle aches.
In foods, horseradish is used as a flavoring agent.
