M.K. Stalin, Dravida Munnettra Kazhagam treasurer and former Deputy Chief Minister, underwent a check-up at a private hospital on Saturday midnight.
According to sources, Mr. Stalin who arrived in the city from Udhagamandalam complained of uneasiness, nausea and vomiting sensation.
He was taken to the Kovai Medical Centre and Hospital, where doctors treated him. He returned to his room after about an hour.
On Sunday morning he left for Chennai.