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NEW YORK (AP) — Roseanne Barr is partly blaming Ambien for the tweet that led to her show’s cancellation, but the maker of the insomnia drug quickly retorted that “racism is not a known side effect.”

People of all races, religions and nationalities work at Sanofi every day to improve the lives of people around the world. While all pharmaceutical treatments have side effects, racism is not a known side effect of any Sanofi medication. — Sanofi US (@SanofiUS) May 30, 2018

Hours after ABC axed her show for her offensive tweet about former Obama adviser Valerie Jarrett — and quickly breaking a promise to stay off Twitter — the comedian was back on the social media platform.

She urged people not to defend her and said of her Jarrett tweet that she was “ambien tweeting” at 2 a.m.

That led to the response on Twitter by the drug maker Sanofi.