Symptom analyzer
Type symptoms — results update as you go.
Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.
Thunderclap headache
Urgency
Emergency
Call emergency services now
Seek emergency care immediately. Call your local emergency number.
Common causes of thunderclap headache
Sorted by commonness.
Add more symptoms to improve accuracy.
What to do next
- 01Call your local emergency number (911 / 999 / 112) now.
- 02Do not wait — do not drive yourself if you have chest pain, stroke signs, or fainting.
- 03Stay with someone if possible until help arrives.
Helpful follow-up questions
- •Did it peak within seconds to a minute?
- •Any neck stiffness, vomiting, or loss of consciousness?
Do not rely solely on this tool. If symptoms persist, worsen, or are unclear, consult a healthcare professional.
Results are generated using AI and medical data models. They may not include all possible conditions and may be incomplete or inaccurate.
Educational use only: Symptom.Today is an educational tool and does not provide medical advice, diagnosis, or treatment. Results are not a substitute for professional medical care. If symptoms are severe, worsening, or concerning, seek medical attention immediately. In an emergency, call your local emergency number.