A person who treats people after injuries is typically a healthcare professional such as a doctor, nurse, or physician assistant. In particular, emergency room doctors and trauma surgeons specialize in providing immediate care for injuries. Additionally, physical therapists may help with rehabilitation after injuries to restore function and mobility.
A doctor who treats animals is called a Veterinarian or a Veterinary Doctor
A local doctor
A Doctor who treats animal diseases and injuries is a veterinary surgeon (British English) - or Vet for short.
Foot doctor
Such a person, who just treats feet, is a Chiropodist.
The person who treats foot complaints is a Podiatrist
Traumatic injuries of the external ear are treated initially by an emergency physician, trauma surgeon, or plastic surgeon.
A doctor who treats the elderly (technically defined as any person over the age of 65) is a Geriatrician, or Gerontologist.
A person who treats his or her guests well is referred to as a "good host", or a "gracious host".
Of course, if the person giving the treats is inconsistent or intentionally confusing in the way the treats are given.
Physiotherapists, chiropractors, massage therapists are probably the most common ones.
It stays in the blood and the person who contacts it can not give blood.