Brain Injury in Dogs

Primary brain injuries involve direct trauma to the brain due to any reason including severe hyperthermia or hypothermia and prolonged seizures. These once acquired, cannot be altered. Secondary brain injury is the alteration of brain tissue that occurs after primary injury. This can be controlled with optimal supportive care and treatment.

Any deficiency of oxygen or direct trauma to the brain may result in bleeding and fluid buildup causing excessive pressure on the brain. This in turn can cause complications involving the heart, eye, and several other body systems. Symptoms vary and depend on the cause, site and severity of the brain injury. Some common symptoms include


Loss of consciousness

Abnormal posture

Irregular movements

Ear or nose bleed

Bleeding inside the eye



Heavy or rapid breathing

Abnormal heart functions, such as bradycardia

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