Horseradish (Armoracia rusticana)

Horseradish: Medical Uses

Horseradish is used to treat urinary tract infections and respiratory congestion.

Historical Uses

In folklore, horseradish was used to treat urinary tract infections (UTIs) and respiratory congestion.

Growth

This perennial plant grows in Europe and North America. It prefers sun and well-drained soil. It is said to protect potatoes from Colorado beetles.

Part Used

  • • Root
  • Major Chemical Compounds
  • • Mustard oil
  • • Sinigrin
  • • Iron
  • • Potassium

Horseradish: Clinical Uses

Horseradish is approved by the German Commission E for “catarrhs of the respiratory tract and supportive therapy for UTIs”.

Mechanism of Action

Horseradish has stimulant and diuretic effects.

Horseradish: Dosage

Root: Can be grated in small amounts and up to 20 grams a day added to food.

Tea: Pour 1 cup of boiling water over 1 teaspoon of chopped herb, infuse for 5 minutes, and drink three times a day or more often to help flu symptoms.

Poultice: Apply externally as a poultice (grate horseradish, wrap in a cloth, and place on chest) to ease congestion in bronchitis.

Side Effects

Horseradish may cause stomach distress if used in large amounts.

Contraindications

• Horseradish is not recommended for patients with stomach or duodenal ulcers ( ).

• It is not recommended for patients with hypothyroid conditions (Natural Medicines, 2000).

Herb-Drug Interactions

Horseradish may interfere with levothyroxine or hypothyroid condition (Natural Medicines, 2000).

Pregnancy and Breast-Feeding

Horseradish is not recommended for pregnant or breast-feeding patients.

Pediatric Patients

Horseradish is not recommended for children under age 4.

Warnings

  • • Horseradish may cause stomach distress if used in large amounts.
  • • It is not recommended for patients with stomach or duodenal ulcers or thyroid disease.
  • • Don’t use horseradish if you take levothyroxine or other thyroid medications.
  • • Don’t use horseradish if you are pregnant or breast-feeding.
  • • Don’t give horseradish to children under age 4.
  • • Cooking destroys the volatile oils that help to give horseradish its medicinal effects.

Horseradish: Recipes

A Zesty Condiment

Mix grated horseradish with sour cream and use as a condiment on beef.