How common is fever in measles?

Measles can start with feeling unwell, a high temperature, cough, runny nose and red, sore eyes. The fever may be present before skin changes are obvious, then a rash commonly develops and spreads across the body. Fever alone cannot identify the cause, because many infections and non-infectious problems can raise body temperature.

The pattern of symptoms, recent contact with someone who was unwell, travel, vaccination history and an examination help a clinician decide whether measles needs testing or public-health advice.

Rest, drink fluids regularly, and monitor how you or your child is feeling. Contact a healthcare service before arriving if measles is a possibility, so they can advise on the safest arrangements and help reduce exposure to other people. Keep away from people who may be especially vulnerable to infection while you await advice.

Seek urgent medical assessment for breathing difficulty, confusion, unusual drowsiness, a seizure, severe headache, signs of dehydration, or a rapidly worsening illness. Infants, pregnant people and people with a weakened immune system should obtain prompt clinical advice when fever and a suspected measles-like illness occur.

Ask whether the symptom pattern could fit measles, whether testing is appropriate, and how to protect household members. Also ask what changes in breathing, alertness, fluid intake or the rash should prompt immediate reassessment.