Letter H

Headache, thunderclap

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A sudden and excruciatingly painful headache.

Some doctors feel that in the absence of a known headache disorder, such as migraines, a thunderclap headache may sometimes signal a ruptured aneurysm in the brain.

See your physician immediately if you experience this type of headache

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Medical disclaimer

The information on this page is for educational and informational purposes only and does not constitute medical advice in any way.

  • It does not replace the advice of a physician, pharmacist or other healthcare professional.
  • It does not represent a prescription of drugs, diagnostic exams or therapies.
  • In case of symptoms, doubts or concerns about your health, always consult a qualified physician.

In case of emergency call 911 (US) or 112 (EU).