Endocrinologists are doctors trained to work with patients having hormone-related diseases. These doctors are trained to diagnose and manage diseases that affect the glands (adrenal glands, hypothalamus, ovaries and testicles, pancreas, parathyroid, pineal, pituitary, thymus, and thyroid) and the hormones. The endocrinologist helps in restoring hormone balance in the impacted gland. As part of their work, endocrinologists commonly treat diabetes, osteoporosis, menopause, metabolic disorders, thyroid diseases, some cancers (including thyroid cancer, pituitary tumor, parathyroid cancer, and adrenocortical carcinoma), short stature, and infertility.
Internal-medicine-specialist (also called internists, or physicians) is a professional who manages multisystem disease conditions particularly complexed. They treat dangerous acute illnesses affecting multiple organ systems at the same time in a single patient and may manage multiple long-term diseases or comorbidities that a single patient may have. Internists focus on adult medicine, training, and special study focusing on the prevention and therapy of adult diseases. Internists are the experts in the heart, kidneys, blood, joints, digestive, vascular, and respiratory system disorders.