• Directory
  • Search
  • All results
  • Journals
  • Definitions
Images:
  • Wikimedia
  • Wikimedia
  • Wikimedia
  • Wikimedia
  • Wikimedia
  • Wikimedia
  • Wikimedia
  • Wikimedia
  • Mayo Clinic
Videos:
View video
7:59
Measles
Osmosis
View video
2:24
Measles
Merck Manuals
View video
11:42
Measles (rubeola) Explained
MedCram
Disease or Syndrome
measles Audio
mea·sles [ mee-zuh lz ]
Subclass of:
Morbillivirus Infections
Etymology:
Middle English maseles = little spots
Also called:
Morbilli; Rubeola
Definitions related to measles:
  • A highly contagious infection that is caused by Rubeola (measles virus). Symptoms include coryza and fever followed by a descending, coalescing macular or maculopapular rash.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • A highly contagious infectious disease caused by MORBILLIVIRUS, common among children but also seen in the nonimmune of any age, in which the virus enters the respiratory tract via droplet nuclei and multiplies in the epithelial cells, spreading throughout the MONONUCLEAR PHAGOCYTE SYSTEM.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • A highly contagious viral infection caused by the measles virus. Symptoms appear 8-12 days after exposure and include a rash, cough, fever and muscle pains that can last 4-7 days. Measles vaccines are available to provide prophylaxis, usually combined with mumps and rubella vaccines (MMR).
    NCI
    U.S. National Cancer Institute, 2021
  • Childhood viral disease manifested as acute febrile illness associated with cough, coryza, conjunctivitis, spots on the buccal mucosa, and rash starting on the head and neck and spreading to the rest of the body.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Measles is an infectious disease caused by a virus. It spreads easily from person to person. It causes a blotchy red rash. The rash often starts on the head and moves down the body. Other symptoms include: Fever; Cough; Runny nose; Conjunctivitis (pink eye); Feeling achy and run down; Tiny white spots inside the mouth. Sometimes measles can lead to serious problems. There is no treatment for measles, but the measles-mumps-rubella (MMR) vaccine can prevent it. "German measles", also known as rubella, is a completely different illness. Centers for Disease Control and Prevention
    MedlinePlus
    U.S. National Library of Medicine, 2025
  • Measles is a highly contagious viral infection that is most common among children. It is characterized by fever, cough, coryza, conjunctivitis, an enanthem (Koplik spots) on the oral mucosa, and a maculopapular rash that spreads cephalocaudally; complications, mainly pneumonia or encephalitis, may be fatal, particularly in medically...
    Merck Manuals
    Merck & Co., Inc., 2025
  • Measles, also known as rubeola, is one of the most contagious infectious diseases, with at least a 90% secondary infection rate in susceptible domestic contacts. It can affect people of all ages, despite being considered primarily a childhood illness.
    Medscape
    WebMD, 2025
  • Measles is a childhood infection caused by a virus. Once quite common, measles can now almost always be prevented with a vaccine.
    Mayo Clinic
    Mayo Foundation for Medical Education and Research, 2025
  • Measles is a highly infectious disease caused by measles virus, characterized by a maculopapular rash, cough, coryza, conjunctivitis, and a pathognomonic enanthem (Koplik spots) with an incubation period of about 10 days.
    Epocrates
    Athenahealth, Inc., 2019
  • Measles, contagious viral disease marked by fever, cough, conjunctivitis, and a characteristic rash. Measles is most common in children but may appear in older persons who escaped it earlier in life. Infants are immune up to four or five months of age if the mother has had the disease. Immunity to...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
Return to OpenMD Medical Dictionary > M
Try this search on: Farlex, Merriam-Webster, Oxford Dictionary, or Wordnik

This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.

  • About
  • Feedback
  • Guides
  • Terms
© 2026 OpenMD
The content on this site is NOT a substitute for professional medical advice or diagnosis. Always seek the advice of your doctor or health care provider.