Homeopathic remedies (also called homeopathics) are a system of medicine based on three principles: Like cures For example, if the symptoms of your cold are similar to poisoning by mercury, then mercury would be your homeopathic remedy. Minimal DoseThe remedy is taken in an extremely dilute form.The Single Remedy No matter how many symptoms are experienced, only one remedy is taken, and that remedy will be aimed at all those symptoms.
Similar principals form the basis of conventional allergy treatment, where the allergic substance is given in a small dose, and in vaccines where an impotent form of the virus is given to bolster the immune system against that particular virus.