A blood clot blocks and stops blood flow to an artery in the lung. Often the clot starts in a leg and travels to the lung.
Disease
Knee bursitis
This condition involves painful swelling of a small fluid-filled sac near the knee joint. It causes pain and can limit movement.
Disease
Trigeminal neuralgia
Learn about this nerve condition that can jolt areas on the face with electric-shock-like pain.
Disease
Tinnitus
Tinnitus can be caused by many health conditions. As such, the symptoms and treatment options vary by person. Get the facts in this comprehensive overview.
Disease
Intracranial hematoma
This collection of blood within the skull is a serious, possibly life-threatening, complication of a head injury.
Disease
Shigella infection
This infection of the intestine causes diarrhea. Learn the symptoms, treatments and ways to help prevent it.
Disease
Cryoglobulinemia
When atypical proteins in the blood clump together at temperatures below 98.6 F (37 C), the clump can block blood flow and damage the skin, joints and nerves.
Disease
Granulomatosis with polyangiitis
This disease can cause swelling in the blood vessels of the nose, sinuses, throat, lungs and kidneys. Prompt treatment is key.
Disease
Polymyalgia rheumatica
Older adults who get sudden muscle pain and stiffness, mainly in the shoulders, might have this condition.
Disease
Castleman disease
This rare disorder involves an overgrowth of cells in your body's lymph nodes. Treatment varies depending on how many lymph nodes are involved.
Disease
Voice disorders
Learn more about the causes of common voice disorders, such as laryngitis and granuloma, and how Mayo Clinic diagnoses and treats them.
Disease
Hypoparathyroidism
Learn more about this condition in which low levels of parathyroid hormone upset the balance of calcium and phosphorus in the body.