No home remedies can completely stop a menstrual period. However, some over-the-counter drugs and supplements can help to reduce menstrual flow and shorten its duration. If your period is extremely prolonged or causes significant blood loss, your health care provider may advise you to try a prescription treatment. Some methods for ending menstruation can interact with oral contraceptives and other hormone-affecting drugs. Contact your health care provider if you experience persistent menstrual problems; these may be a sign of a medical condition such as endometriosis or polycystic ovary syndrome (PCOS).
According to Mayo Clinic, non-steroidal anti-inflammatory (NSAID) medications may help to slow menstrual flow. Non-prescription NSAIDs include ibuprofen, naproxen and acetominophen. These have the additional benefit of relieving menstrual pain.
In some cases, a doctor may prescribe pills or injections containing estrogen. These will generally stop menstruation.
Cramp bark, a traditional remedy for menstrual cramps, may help to stop or slow menstrual bleeding. The medical information website Drugs.com reports that cramp bark has not been studied extensively; however, early evidence suggests that it is safe in moderation.
Traditionally used as a treatment for heavy menstrual bleeding and postpartum hemorrhage, the herb shepherd's purse helps to calm contractions of the uterus. RxList reports that shepherd's purse may cause drowsiness and changes in blood pressure.