Greenstone launches authorized generic of Zarontin

PEAPACK, N.J. — Greenstone announced this week that it had introduced its authorized generic of Zarontin (ethosuximide) capsules and oral solution. Ethosuximide is indicated to treat seizures in patients with epilepsy.

The capsules will be available in 250-mg dosage strength and sold in 100-count bottles. The oral solution will be available in 250 mg/5 mL strength.

The authorized generic adds to Greenstone’s growing line of products whose distribution and customer support are backed by Pfizer.