Locklear, 46, is best known for her roles on TV's "Dynasty," "T.J. Hooker" and "Melrose Place."

"Heather has been dealing with anxiety and depression. She requested an in-depth evaluation of her medication and entered into a medical facility for proper diagnosis and treatment," Locklear's representative, Cece Yorke, told People.com. "This is a confidential medical matter and no further statement will be released."