This is a prospective randomized-controlled trial looking at the safety and acceptability of
using Chinese herbal medicine in patients with primary dysmenorrhea. The research team hopes
to enroll 100 patients, 50 of whom will be randomized to receive the herbal tincture and 50
who will receive a placebo tincture. Patients will be enrolled and using the assigned
tincture for twelve weeks. The research team will assess safety as a primary outcome by the
presence or absence of adverse events related to study protocol during the period of
participation.