Greenstone launches authorized generic painkiller

PEAPACK, N.J. — Greenstone has launched an authorized generic painkiller, the company said.

Greenstone, the generics arm of Pfizer, announced the introduction of authorized generic oxaprozin caplets in the 600 mg strength. The drug is a version of Pfizer's Daypro, a non-steroidal anti-inflammatory drug, or NSAID.

Authorized generics are branded drugs sold under their generic names at a reduced price.