According to doctors attending to him at the Gauhati Medical College and Hospital where he was admitted last evening, Gogoi had complained of stomach pain.
He is recovering fast, they said.
He was having constipation-related issues and his condition was stable now, doctors said.
Although he was fit to go home today, Gogoi will stay tonight at the hospital and undergo some further tests.
Governor P B Acharya visited the hospital during the day to enquire about his health and wished him speedy recovery.
Doctors said the chief minister is likely to be released tomorrow.