• H Walach, T Lowes, D Mussbach, U Schamell, W Springer, G Stritzl, and G Haag.
• Department of Environmental Medicine and Hygiene, University Hospital Freiberg, Germany. walach@ukl.uni-freiburg.de
• Cephalalgia. 2000 Nov 1;20(9):835-7.

AbstractLittle is known about the long-term effects of homeopathic treatment. Following a double-blind, placebo-controlled trial of classical homeopathy in chronic headaches, we conducted a complete follow-up study of all trial participants. All patients enrolled in the double-blind study were sent a 6-week headache diary, a follow-up questionnaire. Eighty-seven of the original 98 patients enrolled returned questionnaires, 81 returned diaries. There was no additional change from the end of the trial to the 1-year follow up. The improvement seen at the end of the 12-week trial was stable after 1 year. No differential effects according to treatment after the trial could be seen. Patients with no treatment following the trial had the most improvement after 1 year. Approximately 30% of patients in homeopathic treatment will benefit after 1 year of treatment. There is no indication of a specific, or of a delayed effect of homeopathy.

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