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Blood transfusion
A blood transfusion can help replace blood lost due to surgery or injury. It also can help if an illness prevents your body from making blood correctly.
Severe acute respiratory syndrome (SARS)
Learn about this contagious and sometimes fatal respiratory illness. The last known infection was reported in 2004.
Convalescent plasma therapy
Convalescent plasma therapy uses blood from people who've recovered from an illness, such as COVID-19, to help others recover.
Granuloma annulare
Learn about this painless skin condition mainly affecting young adults in which bumps form a ring. The rash can be long lasting or recur after treatment.
Vagina: What's typical, what's not
Vaginal health is important. Use this information to protect your vaginal health and spot potential problems.
Vasculitis
An inflammation of the blood vessels, vasculitis may thicken and weaken blood vessel walls. If blood flow is restricted, organ damage can occur.
Glomerulonephritis
Learn about symptoms, causes and treatments for acute and chronic glomerulonephritis, a type of kidney inflammation.
Cold urticaria
Learn more about the symptoms and treatment of this allergic skin reaction caused by cold that most often affects young adults.
Henoch-Schonlein purpura
Learn about the symptoms, causes and treatment of this blood vessel disease, also called IgA vasculitis, that causes a purplish rash on the lower legs.
Abdominal pain
Everyone experiences abdominal pain from time to time. Find out when it might be cause for concern.
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