Abstract: Availability of medicines is an important aspect in health care provision. Many countries however, are still battling with the problem of stock outs of essential medicines to an extent that patients go without appropriate treatment. This research sought to determine the influence of health care financing on availability of medicines. Descriptive cross sectional research design was used. All the nine sub county hospitals in Bungoma County were sampled. Census sampling was done to sample sub county pharmacists, medical superintendents, procurement officers and health administrative officers. Four officers were sampled in each sub county, making a total of 36 respondents for the study.