PATADAY TWICE A DAY RELIEF (OLOPATADINE HYDROCHLORIDE)

**Product type:** Human Otc Drug

**Active ingredient:** OLOPATADINE HYDROCHLORIDE

**Strength:** 1 mg/mL

**Dosage form:** Solution

**Route:** Ophthalmic

**Labeler:** Alcon Laboratories, Inc.

**Marketing category:** NDA (NDA020688)

**Pharmacologic class:** Decreased Histamine Release [PE], Histamine H1 Receptor Antagonists [MoA], Histamine-1 Receptor Antagonist [EPC], Histamine-1 Receptor Inhibitor [EPC], Mast Cell Stabilizer [EPC]