It could be an injury, or it could be head tilt caused by the parasite e cuniculi, an inner ear infection, or possibly ear mites. Toxoplasmosis is a slight possibility if the kit was exposed to cat feces (lives around cats) and starts showing some of the more serious signs of ataxia and circling, which requires immediate vet treatment.
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If it's a head injury, it could resolve itself if it's minor head pain that's causing the kit to tilt it's head. But a more serious injury needs evaluation and treatment by a knowledgeable rabbit vet. If it is minor head pain, you would likely see rapid improvement in the next few days as the pain subsides. Because the kit isn't circling and unsteady with more serious vestibular disease, and the head tilt isn't severe yet, minor head pain from an injury seems possible.
If it's e cuniculi or an ear infection, with ear mites being a very slight possibility only in minor head tilt, a rabbit vet would need to evaluate the kit and provide the needed meds. If symptoms don't improve or worsen, ear mites, e cuniculi, or ear infection are likely. When in doubt about any potential medical issue with a rabbit, it's best to consult with a knowledgeable rabbit vet.
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Medirabbit: ear infection clinical signs and treatment
Medirabbit: ear mites
Veterinary emergencies. What to look for, preparing for a visit to an emergency center, and links for rabbits.
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