A young fox is found with a domed skull and protruding eyes, seizures, and inability to locate food. Which untreatable condition might it have?

• A. Hydrocephalus
• B. Rabies
• C. Canine distemper
• D. Sarcoptic mange

Answer: (A)

Hydrocephalus is the condition most consistent with these signs. When CSF accumulates in the brain of a young animal, the skull can bulge into a domed shape because the sutures haven’t fully fused yet. The enlarged ventricles distort brain tissue, leading to seizures and impaired brain function, which explains why the fox cannot locate food. In wildlife, hydrocephalus is generally not treatable with practical rehab options, and the prognosis is poor, so it’s considered untreatable.

Rabies and distemper can cause nervous system symptoms like seizures, but they don’t produce the characteristic domed skull and facial/eye changes associated with hydrocephalus. Sarcoptic mange mainly causes skin itching and lesions, with little to no neurological signs.