What Does Yellow Mucus Mean? Causes and When to See a Doctor

Learn what yellow mucus indicates about your health, common causes like infections, and when to seek medical advice.

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Yellow mucus often indicates that your body is fighting an infection. It results from white blood cells rushing to the area to combat germs. While not always a cause for concern, it often suggests a cold or sinus infection. If symptoms persist for more than 10 days or are accompanied by a high fever, it's advisable to consult a healthcare professional to rule out any serious conditions.

FAQs & Answers

  1. What causes yellow mucus? Yellow mucus is caused by white blood cells fighting an infection, commonly due to a cold or sinus infection.
  2. When should I worry about yellow mucus? If yellow mucus lasts more than 10 days or is accompanied by a high fever, you should consult a healthcare professional.
  3. Does yellow mucus always mean a serious illness? No, yellow mucus often reflects your body fighting a mild infection and is not always a sign of a serious condition.

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