If you are injured, it only makes sense to seek medical care and treatment to determine the nature and extent of your injuries. This is regardless if you have a claim. It is important to document your injuries as if you ever injure yourself again, you can show your pre-accident condition. In theses cases it is always important to make a report with the store and obtain contact information. And, of course , consult with an attorney and let that experience work for you.
In general, a passenger may recover in an accident involving an animal such as a deer. These cases usually involve the driver's negligence such as swerving and hitting a fixed object. If your passenger contributed or the vehicle was negligently maintained, a potential claim may be considered. Medical Payments may cover future care and treatment. An individual should carefully review any applicable insurance policy.
You need to consult with an attorney in your location as representing yourself in such an informal situation may not produce all the damages that you may be entitled to such as loss of use or substitute vehicle and in some cases loss of value to the vehicle even if repaired.