Abstract
This entry offers an introduction to pre‐exposure prophylaxis (PrEP), the current global practices of PrEP, some of its research, and the role of health communication in PrEP research. PrEP is a highly effective oral HIV prevention medication that can be taken daily or on demand, and a wide range of populations who are at risk of contracting HIV use it. The global uptake rate is steadily increasing but is far below the World Health Organization's goal. There is a robust body of PrEP research in clinical trial studies, implementation and demonstration projects, and social scientific research. Current health communication research has examined the impacts of patient–provider communication, stigmatized conversations, and social media communication on PrEP uptake and adherence. Future health communication research can play an essential role in understanding how informal interpersonal communication, message effectiveness, and mediated information seeking impact PrEP use.
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