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Measles
Measles is a highly contagious viral infection that causes fever and a distinctive rash. It can lead to serious complications, but is preventable with vaccination.
Causes & risk factors
- Measles virus, one of the most contagious infections
- Spread through coughs, sneezes and the air
- Being unvaccinated
- Close contact with an infected person
- Outbreaks where vaccination rates are low
Common symptoms
- High fever
- Cough
- Runny nose and red, watery eyes
- Blotchy rash spreading from the face
- Tiny white spots inside the mouth
Tests & diagnosis
- Usually diagnosed by symptoms and rash
- Measles antibody blood test
- Swab (throat/nose) for the virus
- Full blood count if unwell
Treatment & management
- Rest, fluids and fever control
- There is no specific antiviral — care is supportive
- Vitamin A may be given in children
- Isolating to prevent spread
- Vaccination (MMR) is the best protection
When to see a doctor urgently
- Difficulty breathing or a fit — call your local emergency number now
- Drowsiness, confusion or a stiff neck — urgent care
- Ear pain or a worsening fever (possible complication)
- Measles in a baby, pregnant woman or someone immunocompromised
Not a diagnosis. MedDroid gives general educational information about measles. It cannot examine you, diagnose or prescribe — always confirm with a qualified doctor.
Frequently asked questions
Why is measles considered dangerous?
It can cause pneumonia, ear infections and, rarely, brain inflammation. Complications are more common in young children and adults.
How effective is the vaccine?
The MMR vaccine is very effective. Two doses give strong, long-lasting protection and help stop outbreaks.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.