echinacea purpurea is an herbaceous perennial plant as members of the asteraceae family. it is one the important medicinal plant in pharmacy industrial. active substances of echinaceae are amplifier of body's immune system and antivirus. echinacea is not native to iran. the phytochemical traits of medicinal plants depend on ecological conditions involving growing areas, climate conditions; vari...

The National Toxicology Program (NTP) has announced that it will design and initiate studies to identify and characterize possible adverse health effects that may be associated with prolonged use or higher doses of some of the most popular medicinal herbs, including Ginkgo biloba, Echinacea angustifolia, and Panax quinquefolius (American ginseng). The NTP studies a large variety of substances t...

Sir, Besides traditional topical and systemic pharmacological treatments for the therapy of vulvovaginal yeast and bacterial infections, numerous over-the-counter medicaments containing natural substances (e.g. tea tree oil, echinacea, sodium caprylate, propolis) are marketed. Patients often prefer alternative medicine and selfprescribe herbal-based products. We report here an unusual case of a...