Objective: To describe and analyze the availability and factors related to the presence of analgesics and non-steroidal anti-inflammatory drugs in the Brazilian public primary healthcare system. Material and Methods: This was a cross-sectional study that evaluated 17. 903 health units that participated in the National Program for Primary Care Access and Quality Improvement (2013-2014)... https://parisnaturalfoodes.shop/product-category/horsetail/