Effect of oral administration of carprofen on intraocular pressure in normal dogs |
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| Authors: | J M Meekins T L Overton A J Rankin J K Roush |
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| Affiliation: | 1. Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS, USA;2. MedVet Medical & Cancer Center for Pets, Worthington, OH, USA |
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| Abstract: | The aim of this study was to determine the effect of oral administration of carprofen on intraocular pressure in normal dogs. Twelve young adult beagle dogs were randomly assigned to treatment (n = 6) or control (n = 6) groups. After an 11‐day acclimation period, the treatment group received approximately 2.2 mg/kg carprofen per os every 12 h for 7 days, and the control group received a placebo gel capsule containing no drug per os every 12 h for 7 days. Intraocular pressure (IOP) was measured by a rebound tonometer at three time points per day (8 am, 2 pm, and 8 pm) during the acclimation (days 1–11) and treatment (days 12–18) phases and for 48 h (days 19–20) after the completion of treatment. There was no statistically significant change in IOP for either eye in the dogs receiving oral carprofen during the treatment phase (days 12–18). After day 4, no significant daily IOP changes were seen in control group dogs. Carprofen administered orally every 12 h for 7 days had no effect on IOP in normal beagle dogs. An acclimation period to frequent IOP measurements of at least 5 days is necessary to establish baseline IOP values and minimize possible anxiety‐related effects on IOP measurements. |
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