Reynolds' representative told TMZ the 80-year-old actress was hospitalized at Cedars-Sinai medical center during the weekend "due to an adverse reaction she experienced to a medication she was currently taking."
The publicist said Wednesday Reynolds remains at Cedars-Sinai, but is showing signs of improvement.
The type of medication she was taking was not immediately disclosed.
Beautician charged with giving client fatal silicone butt injection
Duggar sisters unveil Christian dating rules in new book