Can bloatedness be due to incisional hernia?

Yes, if: Your incisional hernia becomes intermittently incarcerated and cause intestinal obstruction. If this is the case, you need to have surgical repair soon. Consult a surgeon for specific advice.

Yes. : Especially if intestine is being squeezed in the hole ( hernia) in your abdominal muscles. But there are many other things that can cause bloating. See your MD if not getting better