OBJECTIVES: This research aims to characterize the users of access to medicines program developed in Brazil, known as Aqui Tem Farmácia Popular Program (PAFP), by identifying those users who migrated from other supply of basic medicines programs by means of a survey explicitly developed for this purpose. This work also seeks to evaluate the meeting customers’ needs by the Program and its satisfaction level.  METHODS: The survey instrument used gathering the users of Aqui Tem Farmácia Popular program has been applied in 15 counties from 14 Brazilian states. 1073 interviews composed the sample, in 27 establishments of private pharmacies, during august 2012. The collection instrument was composed by three blocks: questions concerning the use of the PAFP and other programs of medicines supply; user’s profile information; and identification of the medicine supplied. RESULTS: The evaluation of the users migration from other programs identified that, before the PAFP, 52% of interviewed users was buying the medicines in the private pharmacy and more than 30% was using the Public Service in a Health Center of SUS, a piece of 11% began the treatment after the PAFP.  More than 58% of users would use the service of the SUS if there was no PAFP. However, 36% of users reported that they would not use the SUS system for withdrawal of medicines. It was observed that 61% of users gave out to be economizing while withdrawing the medicines with gratuity or at a discount. CONCLUSIONS: The conducted survey made possible to characterize the users of PAFP showing aspects concerning the participation and the range of the program. Generally, it was found that the persons are satisfied and they reported to have saved with the program. They also pointed out the convenience they have with the possibility of the access to the medicine in any pharmacy with the PAFP.