Allergy/Immunology is a specialty of medicine which deals with diagnosis and treatment of asthma, allergies. An allergy is an abnormal reaction to a substance or environmental trigger. Doctors specializing in this field are called Allergists. Allergists determine what substances or triggers cause reactions in each individual and look for ways to treat those allergies, so the sufferer can go on to live a normal life. Allergists may perform allergy tests like skin challenge, scratch test, breathing test to make accurate diagnosis and provide the right treatment plan.

Hand surgery is a field that helps patients with a variety of health issues involving the hands. This can include both surgical and non-surgical care. These doctors treat conditions that present not only in the hands but also the arms. These conditions may include infections, abrasions, injuries, and arthritis. Surgeons trained in orthopedic surgery, general surgery, and even plastic surgery are all qualified to perform surgeries on the hands or provide other treatment for this area.

An internist or Internal Medicine doctor is someone who specializes in diagnosing and treating illnesses, diseases, and health problems. Most internists are also primary care doctors and treat patients on a regular basis. They can diagnose and treat common illnesses or more serious problems. Most people see an internist regularly. Those with chronic illnesses may do so on a monthly or even weekly basis. Internists are the most common types of doctors.

A plastic surgeon is a medical professional who specializes in reconstructing and improving physical appearances. They may also perform reconstructive surgery on patients who have had accidents or health problems that have caused them to need a prosthesis or another type of surgery. When someone is injured or suffers a deformity or problem caused by an illness, disease, or birth defect, the plastic surgeon can repair it.

Psychiatrists are doctors who specialize in treating mental, addictive, and emotional disorders. They order diagnostic tests, prescribe medications, and use psychotherapy to help patients and their family members deal with these disorders and diseases. They often work with other doctors and specialists to help come up with the best treatment option for their patients.

Thoracic surgery is a surgical subspecialty. Its focus is on the organs of the thoracic cavity. Most of the time, this means the heart and lungs. Patients who need thoracic surgery may have any number of problems, such as heart disease or needing a lung transplant.

A urologist is a health professional who studies and treats disorders of the urinary tract. Urologists can conduct tests, perform surgery, and help resolve any issues that a patient may be having with urination. Urologists treat the kidneys, ureters, bladder, urethra, and adrenal glands. They can also treat some male reproductive organs that are connected to the urinary tract.