There are several species of blackberry, some of which are native to the Americas and others that are native to Europe. Rubus fructicosus is the most common European species, and Rubus canadensis is a common North American species. The most common uses were for treating diarrhea, sore throats, and wounds. These same constituents are also helpful for soothing sore throats. Three or more cups per day should be drunk.
Tannins can cause nausea and even vomiting in people with sensitive stomachs.
Individuals with chronic gastrointestinal problems might be particularly at risk for such reactions. Castleman M. The Healing Herbs. The Therapeutic Use of Phytomedicinals. This Encyclopedia was researched and written by a team of nationally known health care professionals from a variety of disciplines, who labored to create a new standard of excellence with this innovative and comprehensive reference work. To learn more about the authors and contributors click here .