
Bipolar disorder - Symptoms and causes - Mayo Clinic
Aug 14, 2024 · Overview Bipolar disorder, formerly called manic depression, is a mental health condition that causes extreme mood swings. These include emotional highs, also known as mania or …
Hypothyroidism (underactive thyroid) - Symptoms and causes
Dec 10, 2022 · Overview Hypothyroidism happens when the thyroid gland doesn't make enough thyroid hormone. This condition also is called underactive thyroid. Hypothyroidism may not cause noticeable …
Hypoparathyroidism - Symptoms & causes - Mayo Clinic
Jun 21, 2025 · Hypoparathyroidism is a rare condition in which the body doesn't make enough of a key hormone called parathyroid hormone (PTH). PTH helps control and maintain the right balance of two …
Hepatitis C - Diagnosis and treatment - Mayo Clinic
Aug 22, 2025 · Diagnosis If a screening test shows hepatitis C, other blood tests can: Measure the quantity of the hepatitis C virus in the blood, called the viral load. Show the genotype of the virus. …
Common warts - Diagnosis and treatment - Mayo Clinic
May 16, 2024 · Treatment Most common warts go away without treatment, though it may take a year or two and new ones may develop nearby. Some people choose to have their warts treated by a …
Rheumatoid arthritis - Symptoms and causes - Mayo Clinic
Apr 9, 2025 · Rheumatoid arthritis is an ongoing, called chronic, condition that causes pain, swelling and irritation, called inflammation, in the joints. But it also can damage other parts of the body. These …
Knee replacement - Mayo Clinic
Nov 15, 2024 · Knee replacement surgery replaces parts of injured or worn-out knee joints. This also is known as knee arthroplasty. During the surgery, damaged bone and cartilage are replaced with parts …
Thyroidectomy - Mayo Clinic
Thyroidectomy is the surgical removal of all or part of your thyroid gland. Your thyroid is a butterfly-shaped gland located in the front of your neck. It makes hormones that control every part of your …
Helicobacter pylori (H. pylori) infection - Mayo Clinic
Dec 16, 2025 · Diagnosis of an H. pylori infection involves testing to find out if your symptoms are caused by H. pylori germs. Your healthcare professional may recommend one or more of the …
Marfan syndrome - Symptoms and causes - Mayo Clinic
Mar 22, 2024 · Overview Marfan syndrome is an inherited disorder that affects connective tissue — the fibers that support and anchor your organs and other structures in your body. Marfan syndrome most …