What is butterbur?
Butterbur extract, from the root of the butterbur shrub, was originally used in Europe in the Middle Ages to treat plague and fevers. Although we don't completely understand the benefits of butterbur, people frequently use it to treat coughs, asthma, headaches, and stomach ulcers. The scientific name for butterbur is Petasites hybridus.
What is butterbur used for?
Butterbur is considered a dietary supplement in the United States and is available under the brand name Petadolex.
Is butterbur safe?
When used properly, butterbur extract is safe and well-tolerated. But it is not safe to use all formulas of butterbur extract, since the plant contains cancer-causing substances. Make sure you only use butterbur that has had the cancer-causing ingredients removed. Talk to your doctor before you take butterbur, and ask him or her to examine the specific brand you intend to use.