Evening primrose, a herb found in North America and used for treatments in traditional Native American herbal remedies, is believed to alleviate PMS.

• 要纾缓经前综合症，服用月见草油是一个好方法。月见草是一种生长在北美洲的草本植物，也是印弟安人传统上普遍应用的医疗草药。