Horseradish strongly stimulates the digestion, increasing gastric secretions and appetite.
Horseradish is a good diuretic and promotes perspiration, making it useful in fevers, colds, and flu.
Horseradish is also an expectorant and mildly antibiotic, and can be of use in both respiratory and urinary tract infections.
A sandwich of freshly grated root is a home remedy for hay fever.
A simple way to consume horseradish is to suck gently on a thin slice without biting it. This gently releases the scent and helps to unplug the sinuses.
A traditional folk remedy for headache is to quickly inhale a small amount of the juice in a cloth.
Grated, horseradish can be applied as a poultice to an abscess or torn muscle.
The freshly grated root can be eaten in the amount of 1/2-1 teaspoon three times per day.
Horseradish tincture is also available and can be used in the amount of 2-3 ml three times per day.
To help ease bronchitis, place a warm, moist poultice onto the back.
A traditional tonic for clearing the lungs and intestines is to drink several cups daily of a decoction made of macerated root with a bit of honey or licorice root added for taste.
Direct application to the skin or eyes will cause irritation and burning.
Very high doses of horseradish can cause vomiting or excessive sweating.
In rare cases applying horseradish directly to the skin may cause skin blisters in some people.