Pharmacological treatment of hypertensive patients can be purchased in drugstores neighborhood, however in this way self-medication may be situations that can lead to irrational use thereof. The aim of this study was to characterize the population acquires antihypertensive medication in a group of drugstores in a neighborhood in Santiago de Cali. The sample size was calculated using the formula of proportions through Epidat software version 4. Was developed a survey with questions demographic and related to the use and knowledge of antihypertensives, which was applied users who just bought these medicines in drugstores. Multiple logistic regression analysis was performed, choosing models that show overall significance (p <0.05) and each of the independent variables (p <0.05) and its confidence interval 95% .The drug plus acquired by the respondents was the losartan. Most respondents claim not to have recommended taking these drugs to others, ignoring the adverse effects and have no medical formula to purchasing. Most stated that when purchasing these drugs without a prescription do it to save time and money. Multivariate analysis found association between adverse reactions to these drugs with recommending these medications and submit medical formula, besides to recommend these medications was found also associated with education to primary and male gender. Belonging to the subsidized regime associated with it the doctor who suggests these drugs, known adverse reactions and have up to Primary. For its part belong to the contributory scheme was associated with suggest antihypertensive and knowing adverse reactions.

Antihypertensive, Pharmacoepidemiological, Characterize, Colombia, Cali, Pharmacological