Allopathic is a snarl word invented by homeopathetic medicine founder Samuel Hahnemann, and used by quacks, to disparage evidence-based medicine, and the real doctors and other trained professionals who practice it.
No one knows what its roots are, but "Allo" is a derivation of the Greek, meaning "different". This was in contrast to "homeo" in homeopathic, which is "same", referring to Hahnemann's false theory of "like cures like."
Generally, allopathic medicine refers to "the broad category of medical practice that is sometimes called Western medicine, biomedicine, scientific medicine, or modern medicine" - in other words, it's the stuff that actually works.
 See also
- ↑ Legal Status of Traditional Medicine and Complementary/Alternative Medicine: A Worldwide Review, 2001. Accessed 2007-09-121