The phrase "recurrent bouts" means repeated or frequent episodes of something, such as a recurring illness or a repeated series of events or actions. Full definition
Unfortunately, some dogs can suffer from recurrent bouts of pancreatic disease, and it will progressively get worse over time. (nextgendog.com)
One spectacular case involved a woman who had previously been treated for recurrent bouts of depression for 12 years, without success. (scientificamerican.com)
In some cases, dogs that recover from an acute episode of pancreatitis may continue to have recurrent bouts if their diet and lifestyle is never addressed and altered. (thewholedog.com)