Dysmenorrhoea means Pain during menstruation. Several factors plays in causation of this condition. Generally it associates with vomiting, discomfort and irritation. In Ayurveda it is termed as "Kastartava".
Taking 3 - 5 Garlic pods twice a day from 3days prior to expected date of menses for the duration of 5 days will relieve dysmenorrhoea.
Taking Hing in 500mg twice / day from 2days prior to the periods will relieve the Dysmenorrhoea.
Castor Oil in 5 - 10 ml quantity in the early hours of the day will relieve Dysmenorrhoea.
Taking calcium supplementations also helps in this condition.