Phytotherapy

  About 30% of all prescriptions issued in the USA, Canada and Europe contain either a herb, a purified extract or an active component derived from herbs. However, medical practitioners are often confused by conflicting information available on the safety and efficacy of herbs; herbal medicines are often co-prescribed without proper attention to adjustment of dosages. This reference guide treats the subject of herbal medicines in an integrated fashion with reference to pharmacognosy, pharma