In homeopathic medicine, it's used, again without evidence of effect, for hemorrhages and skin conditions. While a close relative, Vinca rosea , is the source of the important cancer drugs vinblastine and vincristine, Vinca minor has never played a major role in medicine. Used in past centuries to dry and tighten the tissues and serve as a general tonic, the herb is no longer recommended for medicinal purposes. Originating in northern Spain, western France, and central and southern Europe, this familiar ground-hugging evergreen shrub can now be found throughout the world. It was placed on the coffins of dead children in years gone by.
Large doses can be poisonous.
Since the herb has no proven medicinal effect, it's best to avoid its use. Special Cautions Potential side effects include stomach problems and reddened skin. No drug interactions have been reported. No harmful effects are known. How to Prepare Not recommended.