This section is from the book "A Practitioner's Handbook Of Materia Medica And Therapeutics", by Thos. S. Blair. Also available from Amazon: A Practitioner's handbook of Materia Medica and Therapeutics.
Viburnum Prunifolium, Black Haw. This valuable drug is the best agent we have for irritable states of the womb in nervous patients, being especially indicated in a chronic disposition to miscarry. Give regularly for six weeks before the time when this event usually occurs. It controls after-pains and promotes uterine involution. Black haw relieves the gastric discomfort following alcoholic indulgence. (F.e. or ec. tr., 10 to 60 I.)