The few trials of adequate methodological quality show no difference between homeopathy and placebo. The one trial reporting homeopathy as more effective than placebo is of inadequate methodological quality. Homeopathic texts suggest that headaches respond favourably to homeopathic treatments and recommend its use for that condition.
Sceptics attribute the effect of homeopathy to that of placebo.
A Systematic Review. No restriction to language of publication. Reviewers conducted extensive searching including the main databases, reference lists of retrieved reports, homeopathic journals and books. Reviewers provided a descriptive summary of trial findings. Findings Homeopathic remedies were prescribed individually at different potencies and administration schedules.