Internal medicine
An internist provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults, and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections, and diseases affecting the heart, blood, kidneys, joints, and digestive, respiratory, and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health, and effective treatment of common problems of the eyes, ears, skin, nervous system, and reproductive organs.
Ophthalmology
Ophthalmology is the medical specialty focusing on treatment of the eyes, and retina. Not to be confused with an optometrist, ophthalmologists can also do eye surgery and prescribe medication unlike optometrists, who typically focus on eyesight correction and enhancement and prescription lenses.
Allergy and Immunology
The medical specialty of Allergy and Immunology focuses on the diagnosis and treatment of allergies.The field of dermatology focuses on the diagnosis, treatment, and prevention of diseases, disorders, and conditions of the skin.
