After experiencing shortness of breath, wheezing, and coughing, the former presidential candidate entered Doctors Hospital of Hyde Park. He was listed in good condition Monday.
The 56-year-old had been at a rally in Chicago for his civil rights organization, the Rainbow/PUSH organization.
"He's much better," than when he was admitted, nursing supervisor Mildred Soriano said Monday morning.
Jackson got sick on a trip to Africa a week ago. His busy schedule following his return made it even worse, according to his son, Jonathan.