Internal medicine is a medical specialty that focuses on the prevention, diagnosis, and treatment of adult diseases. Physicians who specialize in internal medicine are called internists, and they manage a wide range of conditions affecting internal organs and systems.

Internists provide comprehensive and long-term care for adults, dealing with both common and complex medical conditions. Their expertise includes:

• Cardiovascular diseases – Hypertension, heart failure, and coronary artery disease.
• Respiratory conditions – Asthma, COPD, and pneumonia.
• Gastrointestinal disorders – Liver disease, GERD, and inflammatory bowel disease.
• Endocrine disorders – Diabetes, thyroid disorders, and adrenal gland diseases.
• Infectious diseases – Tuberculosis, HIV/AIDS, and COVID-19.
• Rheumatology – Arthritis, lupus, and other autoimmune diseases.
• Hematology – Anemia, clotting disorders, and blood cancers.
• Nephrology – Kidney disease and hypertension management.