General

Infections that you can get at a medical facility while getting treatment for another disease are called nosocomial infections (also known as healthcare-associated infections or hospital-acquired infections, or HAIs). Usually, an HAI occurs after a medical or surgical procedure that can be mild to life-threatening. In most cases, people avoid most nosocomial infections with diligent […]

A health condition in which a person experiences intense fear of hospitals is called nosocomephobia. This type of phobia may prevent you from getting proper medical care or stop you from visiting loved ones. Sometimes, nosocomephobia may be related to other fears (such as germs, disease, blood, or needles). Furthermore, this disorder is a specific […]

A nosebleed, also known as epistaxis, occurs when you lose blood from the tissue that lines the inside of the nose. Sometimes, nosebleeds may occur due to dry air. Usually, this condition does not cause serious health problems, and it is easy to treat. In most cases, people have a nosebleed only in one nostril, […]

A very common infection that causes nausea, vomiting, and diarrhea, which is caused by a group of viruses called norovirus. Usually, people experience symptoms similar to the stomach flu, but they have a different cause. Moreover, this is a very contagious virus that easily spreads through close contact, contaminated food, or surfaces. In other words, […]

A group of wounds and conditions caused by Mycobacterium bacteria is called nontuberculous mycobacteria (NTM) infections. The exceptions are bacteria that cause tuberculosis and leprosy (Hansen’s disease). NTM infections often affect the lungs, skin, bones, lymph nodes, and other organs in the body. One of the most common causes of these infections is M. avium […]

This is a health condition in which children and adults are not able to completely empty their bladder. It is called non-neurogenic voiding dysfunction, and it may also cause urine leakage and sudden urges to urinate. Moreover, potty-trained children may wet their pants during the day. Usually, it is treated with medicines and pelvic floor […]

A sexually transmitted infection (STI) that occurs due to certain bacteria and viruses, but can also be caused by urethral trauma, is called nongonococcal urethritis (NGU). The most common symptoms include itchiness, irritation, discharge, and pain during urination. If you are diagnosed with this condition, it is recommended to inform all your sexual partners because […]

A long-term (chronic) pain that feels like angina, but it is not, is called noncardiac chest pain (NCCP). While angina is caused by heart problems, noncardiac chest pain may be related to the esophagus (the tube that carries food and drinks from the mouth to the stomach). Usually, people experience this condition due to GERD […]

This condition occurs after exposure to harmful and loud noise. It is called noise-induced hearing loss (NIHL), and it can be temporary or permanent. In general, you can take some steps to reduce the risk or even prevent NIHL by wearing ear protection when necessary. In other words, this condition occurs when loud noises cause […]

A type of skin cancer that often appears on the skin and looks like a blood blister is called nodular melanoma. It is a firm, raised, and discolored growth on the skin that is often caused by overexposure to ultraviolet (UV) light. However, nodular melanoma may also occur due to other causes. Furthermore, nodular melanoma […]