Premenstrual syndrome (PMS) affects up to 25% of fertile female population, entailing physical and psychological symptoms occurring in the second part of the menstrual cycle, such as mood changes, fatigue, irritability, breast pain and depression.
When PMS affects quality of life, it is appropriate to control the symptoms without interfering with the natural biological activity.
Dysmenorrhea, also known as painful periods, or menstrual cramps, is pain during menstruation; its usual onset occurs around the time that menstruation begins. The pain is usually in the pelvis or lower abdomen, other symptoms may include back pain, diarrhea, or nausea.