Symptoms. The location and size of the hematoma will be the main determining factors of what symptoms and individual will experience. Common generalized symptoms of hematoma include redness, pain, swelling, and disfiguring bruises. Symptoms that indicate an epidural hematoma include loss of bladder and or bowel control, back pain, and weakness. Symptoms that commonly occur with another type of hematoma include nail loss, weakness of the nail, nail disfiguration, and pain in the nail. Flank and abdominal pain can indicate the presence of a hepatic or splenic hematoma. Indications that are commonly associated with a subdural hematoma include seizures, falling, dizziness, nausea and vomiting, weakness on one side of the body, confusion, headache, and difficulty with speaking.