Avista Capital Partners has acquired WellSpring Consumer Healthcare from Audax Private Equity, according to a news release.

WellSpring, founded in 1999 and based in Sarasota, Fla., markets over-the-counter drug and personal care products to the U.S. and Canadian markets

Avista, based in New York, makes control buyout investments in middle market healthcare companies. Founded in 2005, the firm focuses on the following healthcare subsectors: pharmaceuticals, medical devices, outsourced pharmaceutical services, distribution and consumer-driven healthcare.

Audax, with private equity offices in Boston, New York and San Francisco, focuses on investments in middle market companies and has a wide flexibility on investment size. Founded in 1999, the firm targets companies within healthcare and several other industries, specifically those generating between $10 million and $50 million in annual EBITDA.

Audax had acquired WellSpring in 2017.

Terms of the transaction were not disclosed.