Health A-Z


Clinical Definition Varicella is an infectious childhood disease caused by the varicella-zoster virus, also known as the human herpes virus-3, characterized by an itchy rash that can last up to 10 days. In Our Own Words Chickenpox is the common name for varicella, which is caused by a strain of herpes known as the varicella-zoster

Varicose Veins

Clinical Definition Varicose veins are abnormal, dilated blood vessels caused by a weakening in the vessel wall or valve. They most often appear on the legs and in the pelvic areas as blue or purple vein clusters and are more common in women. In Our Own Words Varicose veins are a common condition that occur

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