Medically reviewed by John C. Umhau, MD, MPH, CPE Key Takeaways An intensive outpatient program (IOP) is a type of therapy program where you attend therapy sessions 3 to 5 days a week, for a few hours ...

Stephanie Watson is a freelance writer whose work has appeared in numerous consumer health publications, including WebMD, Greatist, Healthgrades, HealthCentral, SurvivorNet, Harvard Health ...