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Diseases & conditions A-Z List

Diseases & Conditions A-Z List - «M»:

  1. Molluscum contagiosum Molluscum contagiosum
    Molluscum contagiosum is a viral skin infection that causes raised, pearl-like papules or nodules on the skin. Causes Molluscum contagiosum is caused by a virus that is a member of the poxvirus family. You can get the infection in a number of different ways. This is a common infection in children a...
  2. Mongolian blue spots Mongolian blue spots
    Mongolian spots are flat, blue, or blue-gray skin markings that commonly appear at birth or shortly thereafter. See also: Rashes Causes Mongolian blue spots are common among darker skinned persons, such as those who are of Asian, East Indian, and African descent. Symptoms Mongolian spots are nonca...
  3. Mononeuritis multiplex Mononeuritis multiplex
    Mononeuritis multiplex is a brain/nervous system (neurological) disorder that involves damage to at least two separate nerve areas. Causes Mononeuritis multiplex is a form of damage to nerves outside the brain and spinal cord (peripheral neuropathy). It is a group of symptoms, not a disease. A part...
  4. Mononeuropathy Mononeuropathy
    Mononeuropathy is damage to a single nerve or nerve group, which results in loss of movement, sensation, or other function of that nerve. Causes Mononeuropathy is a type of damage to nerves outside the brain and spinal cord (peripheral neuropathy). Mononeuropathy is most often caused by injury, alt...
  5. Mononucleosis Mononucleosis
    Mononucleosis is a viral infection causing fever, sore throat, and swollen lymph glands, especially in the neck. See also: Infectious mononucleosis (acute CMV infection) Causes Mononucleosis, or mono, is often spread by saliva and close contact. It is known as "the kissing disease," and occurs most...
  6. Mononucleosis spot test Mononucleosis spot test
    The mononucleosis spot test looks for two antibodies in the blood that indicate infection with the Epstein-Barr virus (EBV). How the Test is Performed Blood is typically drawn from a vein, usually from the inside of the elbow or the back of the hand. The site is cleaned with germ-killing medicine (...
  7. Morning sickness Morning sickness
    Morning sickness is nausea and vomiting that can actually occur at any time of the day during pregnancy. See also: Hyperemesis gravidarum Pregnancy care Considerations Morning sickness is very common. Most pregnant women have at least some nausea, and about a third have vomiting. Morning sick...
  8. Moro reflex Moro reflex
    Moro reflex is type of involuntary response that is present at birth. It normally disappears after 3 or 4 months. See also: Infant reflexes Considerations The Moro reflex may be demonstrated by placing the infant face up on a soft, padded surface. The head is gently lifted with enough support to j...
  9. Morphine overdose Morphine overdose
    Morphine is a very strong painkiller. Morphine overdose occurs when a person intentionally or accidentally takes too much of the medicine. This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local eme...
  10. Morquio syndrome Morquio syndrome
    Morquio syndrome is an inherited disease of metabolism in which the body is missing or doesn't have enough of a substance needed to break down long chains of sugar molecules called glycosaminoglycans (formerly called mucopolysaccharides). The syndrome belongs to a group of diseases called mucopolysa...
  11. Morton's neuroma Morton's neuroma
    Morton's neuroma is a thickening of nerve tissue between the toes. It commonly affects the nerve that travels between the third and fourth toes. See also: Foot pain Causes Morton's neuroma is more common in women than men. The exact cause is unknown. However, some experts believe the following may...
  12. Mosaicism Mosaicism
    Mosaicism is a condition in which cells within the same person have a different genetic makeup. This condition can affect any type of cell, including: Blood cells Egg and sperm cells (gametes) Skin cells Causes Mosaicism is caused by an error in cell division very early in the development of the ...
  13. Mouth and neck radiation - discharge Mouth and neck radiation - discharge
    When you have radiation treatment for cancer, your body goes through some changes. Two weeks after radiation treatment starts, you might have changes in your skin. Your skin and mouth may turn red, your skin might start to peel or get dark, or your skin may itch. Also your skin under your chin may g...
  14. Mouth sores Mouth sores
    Various types of sores can appear anywhere within the mouth, including the inner cheeks, gums, tongue, lips, or palate. Causes Most mouth sores are cold sores (also called fever blisters), canker sores, or other irritation caused by: Biting your cheek, tongue, or lip Chewing tobacco Braces A sharp ...
  15. Mouth ulcers Mouth ulcers
    Mouth ulcers are sores or open lesions in the mouth. (See also mouth sores or canker sores) Causes Mouth ulcers are caused by many disorders. These include: Canker sores Gingivostomatitis Herpes simplex Leukoplakia Oral cancer Oral lichen planus Oral thrush The skin lesion of histoplasmo...