The actor "received immediate medical attention by Drew Pinsky, M.D. who was sitting next to him at the time," according to The Insider. "He was transferred in stable condition to a local hospital."
Last month, Coleman, 41, was briefly hospitalized in L.A. after he suffered what he called "seizure activity."
Coleman was born with failed kidneys and underwent two transplants before the age of 14. At one stage in his life, he underwent dialysis four times a day in order to survive. But it's unclear if his recent seizures are kidney-related.