Is ibs chronic?

Can be: Often symptoms can come and go, varies with external stresses, hormones, diet.

Yes but manageable: Yes. This is a chronic but manageable syndrome.

It can be: chronic ˈkrɒnɪk (of an illness) "persisting for a long time or constantly recurring" In people with Irritable Bowel Syndrome (IBS) the tendency to abdominal pain / bloating with bouts of diarrheoa or constipation can persist for some time, and indeed recur. The severity of symptoms however varies from person to person. Many people do achieve a degree of control over symptoms. See patient.info IBS