Homeopathic remedies are safe, states WebMD. Detractors of homeopathy claim that it is safe because homeopathy is ineffective. Homeopathic remedies contain infinitesimal amounts of a substance that produces symptoms of the disease they treat.
Homeopathy is an 18th century medical practice that began in Germany. The United States has regulated homeopathy since 1938, states WebMD. Homeopathy is widely used in India, England and Europe. Popular applications for homeopathy include bruises, allergies and minor cuts. It is not considered appropriate for serious infections or major illnesses such as cancer or heart disease. Critics of homeopathy claim its efficacy is a placebo effect, or mind over matter.