This rare condition is often linked to long-lasting constipation. Learn more about symptoms and treatment.
Disease
Serotonin syndrome
Learn how certain drug interactions or an increase in the dose of certain drugs can cause serotonin levels to rise to potentially dangerous levels.
Disease
Thyroid nodules
Find out what can cause lumps in the thyroid gland and how they can be treated.
Disease
Pneumothorax
A collapsed lung occurs when air leaks into the space between your lung and chest wall. This air pushes on the outside of your lung and makes it collapse.
Disease
Bronchitis
The lining of the tubes that carry air to and from your lungs is inflamed. Signs and symptoms include cough, mucus, fatigue and chest discomfort.
Disease
Neuroblastoma
Learn more about the symptoms, diagnosis and treatment of neuroblastoma, one of the most common cancers of childhood.
Disease
Kidney cancer
Learn about the symptoms, diagnosis and treatments for this type of cancer that begins in the kidney.
Disease
Carcinoid syndrome
Find out about skin flushing and other symptoms of this syndrome caused by a rare cancer called a carcinoid tumor.
Disease
Gout
This type of arthritis can cause sudden pain, swelling and tenderness, often in the big toe.
Disease
Pseudogout
This disease mimics gout, causing sudden, painful swelling in one or more joints. Treatments can reduce the pain and improve joint function.
Disease
Acute coronary syndrome
This is a range of conditions that cause sudden low blood flow to the heart. An example is a heart attack. Know the symptoms, causes and treatment.
Disease
Cardiomyopathy
This disease of the heart muscle makes it harder for the heart to pump blood to the rest of the body. Learn the different types and how they're treated.