American journal of veterinary research
Phenylpropanolamine (Proin) increases intraocular pressure and alters tear production in dogs.
Sunjun Jung, Keely Harris, Hyerim Ra, Julie Zhi-Ying Li, Lisa Hoard, Oluwabunmi Oladele, Brenna Janowski, Levi H Smith, Hsin-Yi Weng, Shin Ae Park
Published: 202510.2460/ajvr.25.08.0284
Abstract
Objective: To determine the effect of phenylpropanolamine (PPA; Proin) on intraocular pressure (IOP) and Schirmer tear test-I (STT-I) values in dogs. Methods: Following baseline ophthalmic examinations, including IOP and STT-I measurements, 6 healthy…
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