Irritable bowel syndrome, commonly abbreviated IBS, is a common condition; and so having both diabetes and IBS is also relatively common. Both IBS and diabetes57 can be managed through diet and/or medication. Diet alone would be ideal.

References

Clairmont, Stephanie. “Diabetes and IBS,” Stephanie Clairmont (January 26, 2017). https://stephanieclairmont.com/diabetes-and-ibs/ (accessed on 8/2/2020).

“Irritable Bowel Syndrome,” Diabetes.co.uk (January 15, 2019). https://www.diabetes.co.uk/conditions/irritable-bowel-syndrome-and-diabetes.html (accessed on 8/2/2020).