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Description Epiglottitis is a potentially life-threatening condition that occurs when the epiglottis – a small cartilage “lid” that covers your windpipe – wells, blocking the flow of air into your lungs. A number of factors can cause the epiglottis to swell – burns from hot liquids, direct injury to your …

Definition Ectropion of the eye is when your lower eyelid turns outward away from the eyeball and exposes the pink inner lining of the eyelid. It mainly affects the lower eyelid and can occur in one or both eyes and is different from entropion where the eyelids turn inward. Lower …

What is eosinophilic esophagitis (EoE)? Eosinophilic esophagitis (EoE) is a chronic disease of the esophagus. Your esophagus is the muscular tube that carries food and liquids from your mouth to the stomach. If you have EoE, white blood cells called eosinophils build up in your esophagus. This causes damage and …

Definition Optic neuritis is the inflammation of the optic nerve (the second cranial nerve). The inflammation causes a fairly rapid loss of vision in the affected eye, a new blind spot (a scotoma, usually in or near the center of the visual field), pain in the eyeball (often occurring with …

What is epididymitis? Epididymitis is an inflammation of the epididymis. The epididymis is a tube located at the back of the testicles that stores and carries sperm. When this tube becomes swollen, it can cause pain and swell in the testicles. Epididymitis can affect men of all ages, but it’s …

Definition Ectopic pregnancy (Ectopic means “out of place”) is when an embryo grows in the wrong place outside the womb. An embryo is a fertilized egg that results when an egg and sperm combine. Once an egg is fertilized, it usually travels down a fallopian tube and attaches to the …

Overview – Watery Eyes Watery eyes can be completely mystifying. You might expect to tear up when remembering a heart-pulverizing breakup or reading about unlikely animal friendships. But in the middle of the day while just going about your life? Not so much. Unfortunately, there are plenty of reasons your …

Description – Ebola virus disease Ebola Virus Disease (EVD) is a highly contagious infection caused by one of five virus species belonging to the Filoviridae family believed to be carried by fruit bats. The Zaïre, Sudan, Taï Forest, and Bundibugyo viruses cause illness in humans while the Reston species affects …