"Repeated bouts" refers to experiencing a series or multiple instances of something happening, often referring to a negative or unpleasant occurrence happening several times. Full definition
If you find that you are dealing with repeated bouts of diarrhea, it may signal an underlying condition that you should talk to your healthcare provider about. (verywellhealth.com)
Even when dealt some tough cards with repeated bouts with cancer, she never let it get her down, never stopped living. (tulsapetsmagazine.com)
High - intensity interval training involves repeated bouts of hard, but short work, followed by easier recovery periods. (instantknockout.com)