Her manager, Brian Dickens, issued a statement saying, "Fantasia is stable now...She will be released from the hospital soon. Fantasia will be fine. This is not the hardest thing Fantasia has endured."
Dickens said the overdose was accidental. The singer, who was exhausted and dehydrated, mixed aspirin and sleeping medication.
It's been a difficult week for the strong-voiced artist, who was accused in a lawsuit of contributing to the break-up of a couple's marriage.
Fantasia Barrino won "American Idol" in May 2004 and has gone on to release the solo albums "Free Yourself" and "Fantasia." She joined the Broadway company of The Color Purple in April 2007.