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Headache and fever: should I go to the ER?
A headache with a fever is most often caused by a viral infection like the flu or a cold. A few warning signs mean it needs emergency care right away.
🔴 Go to the ER or call 911 if there is
- A stiff neck, or pain when bending the chin to the chest
- A rash that does not fade when you press a glass on it
- Confusion, extreme sleepiness, or trouble waking up
- The worst headache of your life, or one that came on in seconds
- A seizure
🟠 Get care today if there is
- Fever above 103°F (39.4°C) that does not come down with medicine
- Fever lasting more than 3 days
- Painful sinuses or ear pain with the fever
🟢 What helps at home
- Rest and drink plenty of fluids
- Use an over-the-counter fever reducer as directed on the label
- Check your temperature every few hours and write it down
Learn more from MedlinePlus, the U.S. National Library of Medicine: Headache and fever →. This guide is general information for adults and caregivers. It is not medical advice, it cannot cover every case, and it is not a substitute for a clinician who can examine the person. When in doubt, seek care. FreeDoc is not affiliated with or endorsed by the National Library of Medicine.