Cramp Bark information:
Common English Name: Guelder Rose/Cramp Bark
Botanical name: Viburnum opulus
Medicinal Use: The bark, known as Cramp Bark, is employed in herbal medicine. It used formerly to be included in the United States Pharmacopoeia, but is now omitted though it has been introduced into the National Formulary in the form of a Fluid Extract, Compound Tincture and Compound Elixir, for use as a nerve sedative and anti-spasmodic in asthma and hysteria.** Sourced from: http://botanical.com/botanical/mgmh/g/gueros44.html
Herbal Embers Uses: Common in teas (pre-packaged) meant to calm cramping like during premenstrual symptoms. Reportedly:
These days, the bark and root bark of this plant are still used to make medicine. As the name suggests, cramp bark is used for relieving cramps, including muscle spasms, menstrual cramps, and cramps during pregnancy. Cramp bark is also used as a kidney stimulant for urinary conditions that involve pain or spasms.
Some people use cramp bark for cancer, hysteria, infection, nervous disorders, a vitamin-deficiency condition called scurvy, and pain and swelling (inflammation) of the uterus (uteritis). Cramp bark is also used to increase urine flow and to cause vomiting, emptying of the bowels, and sleepiness.** Sourced from: