Actor Jeff Conaway remained in a Los Angeles hospital Sunday with what a visitor said was a dangerous case of pneumonia and sepsis.
Addiction expert Dr. Drew Pinsky said on Twitter he visited the star of the television series "Taxi" Friday night and learned he had not overdosed on drugs.
"He is stable and looks like he will recover from his pneumonia," Pinsky tweeted. "Not an OD like press is alleging and certainly not dead."
Conaway has had a long history of drug abuse, which a source told CNN apparently prevented him from realizing he was sick until he lapsed into unconsciousness.
The source said Conaway came close to dying and was in a crucial period at the unidentified hospital.
Conaway, whose credits also include "Babylon 5" and the film "Grease," was featured on Pinsky's "Celebrity Rehab" series in 2008, Access Hollywood said.