Hypertensive disorders are one of the most common disorders in pregnancy. They are amongst the major cause of maternal and perinatal morbidity and mortality. Incidence is increasing in developing countries like Bangladesh. This cross sectional descriptive study has done to observe the utilization of antihypertensive drugs in hypertensive disorders of pregnancy and conducted from January 2016 to December 2016 in the department of Pharmacology in collaboration with department of Gynecology and Obstetrics in Mymensingh Medical College Hospital, Mymensingh, Bangladesh. Non random purposive sampling technique was used. Total of 300 patients participated in the study, 281 anti partum and 19 postpartum. Age distribution showed 42% patients were in 21-25 years age group. Majority of the participants (91%) were housewife and majority (79%) came from poor socioeconomic status with below SSC education (68%). About 82% patients lived in rural area. Trimester and gravida wise distribution showed most of the participants were 3rd trimester (61%) and primigravida (57%) and only 6% patients belong to postpartum period. In this study preeclampsia was highest (63.8%) among all other types of hypertensive diseases in pregnancy. Majority of the patient were preferred for dual therapy (53%), mono therapy was used in 29% of cases. Most frequently given drug in pregnancy associated hypertension was methyldopa that is 88.33% (single 22.3%, combination 66%). Second most commonly used drug was nifidipine consisting of 47.6% but used in combination in all cases. Average number of anti hypertensive drugs prescribed per prescription was 1.87 and majorities (92%) were from essential drug list but used as trade name. Preeclampsia and eclampsia were more common among the hypertensive disorders in tertiary level hospital cases. Methyldopa was found to be the commonest prescribed antihypertensive in monotherapy and in combination.