---
title: "Headache: Causes, Symptoms, Diagnosis, and Treatment"
description: "Headache pain usually comes from irritated nerves and blood vessels in your head or neck. Learn red flags, treatments, and labs—no referral."
canonical: "https://www.vitalsvault.com/conditions/headache"
last-updated: 2026-08-22
---

# Headache: Causes, Symptoms, Diagnosis, and Treatment

> Headache pain usually comes from irritated nerves and blood vessels in your head or neck. Learn red flags, treatments, and labs—no referral.

---

Canonical HTML: https://www.vitalsvault.com/conditions/headache
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