Premenstrual dysphoric disorder (PMDD) is a women’s health problem similar to premenstrual syndrome (PMS) but is more serious than PMS. PMDD causes severe irritability, depression, or anxiety in a week or two before menstruation starts. Symptoms usually go away two to three days after starting of menses. PMS refers to a wide range of physical or emotional symptoms that most often occur about 5 to 11 days before a woman starts her monthly menstrual cycle. PMDD affects up to 5% of women of childbearing age. Aims and objectives: To assess knowledge and perception of women about premenstrual syndrome and premenstrual dysphoric disorder and their impact on daily routine work. Material and Methods: Crosssectional survey research design was adopted in the study. Sample collection was done by using the Probability Random Sampling Technique. Where 60 women’s participated in this study. Self-structured knowledge questionnaires were used for data collection. Results: The results of the study show that majority of women 53% (32) having moderate knowledge, 30% (18) having adequate knowledge, and 17% (10) having inadequate knowledge about PMS and PMDD. The mean score was 6.4 and the standard deviation was 1.98. Regarding Perception majority of the woman 55 % (33) having favourable perceptions, 42% (25) having a moderate level of perception, and 3% (2) having unfavourable perceptions. Conclusion: This study concluded that PMS and PMDD affect daily routine work and need more medical attention for symptomatic or complete medical management of PMS and PMDD

Keywords : Knowledge, PMS, PMDD, Premenstrual Problems