TL;DR: Genital bruising in cats can indicate physical injury or serious internal issues; schedule a vet visit within 24–48 hours, or seek emergency care immediately if your cat cannot urinate.
What does genital bruising or trauma look like in cats?
Bruising or trauma around the genital area (the perineal or inguinal region) in cats manifests as skin discoloration, swelling, redness, or visible wounds. This can result from external accidents like falls or fights, but it can also be a sign of internal issues such as urinary tract trauma or localized infections.
When should I seek emergency veterinary care for my cat's genital bruising?
- Urgency Level: Medium (visit a vet within 24 to 48 hours).
- Emergency Warning Signs: Seek immediate care if your cat is straining to urinate, unable to urinate, or appears extremely lethargic.
- Risk Factors: Because this area is closely linked to the urinary system, bruising can be a sign of a life-threatening blockage.
How does providing a photo of the area help the veterinarian triage my cat?
- Allows professionals to assess the extent of tissue damage and the specific location of the bruising.
- Helps determine if the injury is superficial or suggests deeper trauma to the urinary or reproductive tracts.
- Ensures your cat receives the appropriate level of priority and clinical urgency upon arrival.
Clinical Context (Merck Veterinary Manual)
Following genital trauma in cats, orchitis or epididymitis may occur, characterized by pain and swelling of the testes, epididymides, and/or scrotum, and potentially wounds or lesions on the scrotal skin. Palpation of the scrotal contents can be difficult due to discomfort and edema, thus ultrasonography with sedation or analgesia is recommended to evaluate the affected structures, identify testicular torsion, and detect focal lesions. Trauma can also result in phimosis, an abnormally small preputial orifice preventing penile extrusion, or priapism, a persistent erection without sexual stimulation. In cases of severe necrosis or gangrene, amputation of the penis and prepuce with urethrostomy may be necessary. Trauma is also an associated condition of feline lower urinary tract disease (FLUTD) and urethral obstruction.
Chapter: Urology, Surgery
Source: The Merck Veterinary Manual, 11th Edition (Page 1402)