Many people travel to high-altitude destinations, meaning clinicians are often faced with questions about how to prevent and treat altitude illness. Update your knowledge with this New Zealand Society of Travel Medicine summary of updated evidence-based guidelines with comments by senior lecturer Jenny Visser – it outlines the best prophylactic regimens, diagnostic approaches and treatment protocols for acute altitude illness
Screening and treatment of MSM on PrEP: Too much of a good thing?
Screening and treatment of MSM on PrEP: Too much of a good thing?

Sexual health specialist Massimo Giola discusses whether we are over-screening for sexually transmitted infections in certain populations and overusing antibiotics for asymptomatic positive cases
1. Kenyon C, Baetselier I, Wouters K. Screening for STIs in PrEP cohorts results in high levels of antimicrobial consumption. Int J STD AIDS 2020;31(12):1215–18.
2. Traeger MW, Guy R, Asselin J, et al. Real-world trends in incidence of bacterial sexually transmissible infections among gay and bisexual men using HIV pre-exposure prophylaxis (PrEP) in Australia following nationwide PrEP implementation: an analysis of sentinel surveillance data. Lancet Infect Dis 2022;22(8):1231–41.
3. Coyer L, Prins M, Davidovich U, et al. Trends in sexual behavior and sexually transmitted infections after initiating human immunodeficiency virus pre-exposure prophylaxis in men who have sex with men from Amsterdam, the Netherlands: A longitudinal exposure-matched study. AIDS Patient Care STDS 2022;36(6):208–18.