19h (edited) • Vet Cases⚕️
Case Study: Why Is Pepper Straining to Urinate?
Meet Pepper, a 2-year-old intact male chinchilla whose owner rushes in after noticing him hunched in the corner of his cage, straining repeatedly to urinate with almost nothing coming out. Pepper lives in a breeding colony with two females and matings have been frequent lately.
You place him in dorsal recumbency and perform penile extrusion. Immediately you see it: a dense band of compacted fur wrapped circumferentially around the mid-shaft of the penis. The tissue is dark purple and swollen. Pepper vocalizes when you gently palpate the area.
This is a hair ring with Grade 3 paraphimosis. The female’s shed fur was transferred onto Pepper’s extruding penis during mating, then drawn back into the preputial space during retraction. After repeated matings the fur compacted into a tight ring, blocking venous drainage and causing progressive swelling.
You sedate him with isoflurane, apply generous water-soluble lubricant, and gently roll the ring off. Then granulated sugar topically to draw down the edema. Meloxicam for pain.
Twenty minutes later Pepper urinates. Crisis averted.
💡 The takeaway: Every intact male chinchilla needs a penile check at every exam. Every single time.
For the full course on this disorder see the classroom or follow the link below:
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Case Study: Why Is Pepper Straining to Urinate?
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