All symptoms
An extremely painful headache that starts suddenly and does not go away (called a "thunderclap headache")
A very severe headache that comes on suddenly and persists (known as a "thunderclap headache") can be linked to several medical issues. It's important to seek advice from a healthcare professional if you encounter this symptom.
When to seek medical help
If your an extremely painful headache that starts suddenly and does not go away (called a "thunderclap headache") is severe, sudden, or accompanied by other concerning symptoms, seek urgent medical attention. Always consult a healthcare professional if you are concerned.