ARNICA. The flowers and root of Arnica montana are employed in making preparations for bruises and sprains. Arnica flowers are to be preferred to the root for the purpose. Tincture of arnica is made by soaking an ounce of arnica flowers in half a pint of weak alcohol or brandy for ten days, then pouring off the liquid. Squeeze the flowers in muslin, so as not to waste any of the tincture.
To make a lotion for sprains and bruises mix two tablespoonfuls of this tincture with enough water to make one pint of lotion.
Arnica opodeldoc is a handy form for rubbing purposes. It is made by mixing :
Soap - 4 oz.
Camphor - 1 oz.
Tincture of arnica - 5 oz.
Strong alcohol - 10 oz.
Carefully heat together until dissolved. It sets to a jelly when cold. To use it rub a small quantity in until the paste disappears. Arnica should not be used on broken skin, as disagreeable rash may be produced.