HD Kumaraswamy was hospitalised in Bengaluru on Wednesday morning after he suffered a mild stroke.
He, however, recovered at the hospital and is stable now.
The Apollo Hospital in Jayanagar said he would be shifted to the ward on Thursday and discharged after two or three days.
Chief Minister Siddaramaiah wished him a speedy recovery.
«I wish former Chief Minister HD Kumaraswamy, who is hospitalized due to illness, a speedy recovery,» he posted on X, formerly Twitter.