Study of an Ayurvedic Medicine Nagar Shallaki Vati for relief from painful periods

INTERVENTION: CONDITION: Health Condition 1: N944‐ Primary dysmenorrhea PRIMARY OUTCOME: It is expected that trial drugs will reduce the pain during menstruation that will be assessed by VAS ScoreTimepoint: It is expected that trial drugs will help in the reduction in pain while menstruation in 8 weeks. SECONDARY OUTCOME: Changes in associated symptoms related to Primary Dysmenorrhea that is Nausea, Vomiting, Constipation & Headache. ; Changes in the blood flow of uterus by Colour Doppler study. ; Changes in Uterine peristalsis. ; Timepoint: 60 Days INCLUSION CRITERIA: Married or Unmarried females of age group 15 to 30 years. Regular menstrual cycle ranging from 21 days to 35 days. History of painful menstruation for at least two consecutive menstrual cycles with Visual Analogue Scale score more than 4. Women with Haemoglobin is greater than and equal to 8 grams per deciliter. Patient willing to participate in study.