Symptoms and Causes

Overview Osteomyelitis is a bone infection that can affect one or multiple parts of a bone. This infection happens in several ways: Risk factors include: The…

Overview Porphyria includes a group of rare disorders caused by the buildup of natural chemicals called porphyrins in the body. These chemicals are necessary for creating…

Overview Ocular rosacea causes eye inflammation. Symptoms like redness, burning, and itching often show up. It often appears in people who have facial rosacea, but sometimes…

Overview Oral lichen planus is an ongoing inflammatory condition affecting the mucous membranes inside the mouth. This condition develops when a person’s immune system attacks cells…

Overview A vein blood clot, or thrombophlebitis, happens when a blood clot blocks one or more veins. This condition often affects leg veins. There are two…

Understanding Self-Harm Self-harm, also known as nonsuicidal self-injury, happens when someone purposely hurts their own body. Common methods include cutting, burning, or other ways of causing…

Blood Pressure Categories Blood pressure readings use two numbers measured in millimeters of mercury (mm Hg). According to leading heart health organizations, blood pressure falls into…

Overview Epidermolysis bullosa is a rare genetic condition characterized by extremely fragile skin that blisters easily. These blisters typically form after minor injuries, heat exposure, friction,…

Health Concerns Diabetes damages blood vessels in the retina, causing diabetic retinopathy. This condition often starts with few or no symptoms but can eventually lead to…

Overview Cerebrospinal fluid (CSF) is the protective liquid that surrounds the brain and spinal cord. A tear or hole in the dura mater, the outermost of…