Infectious Diseases in People Who Use Drugs Introduction By Laura Marks October 7, 2025 0 min Open Forum Infectious Diseases Share Summary Takeaways Listen Insight Report Clinical Scorecard Quiz Poll Top Institutions 1 Infectious diseases among individuals with substance use disorders have significantly increased over the past two decades. 2 Syndemic frameworks are essential for addressing the interconnected epidemics of infectious diseases in people who use drugs. 3 Barriers to HIV prevention, such as adherence to daily oral PrEP, highlight the need for long-acting injectable formulations. 4 Disparities in hepatitis C treatment access persist, particularly among marginalized populations, necessitating integrated care models. 5 Routine STI testing among people who inject drugs is crucial, as studies show a significant prevalence of STIs in this population.