---
title: "Cluster Headache: Symptoms, Causes, Diagnosis, and Treatment"
description: "Cluster headache is a severe one-sided headache with eye/nose symptoms that comes in cycles; learn triggers, treatments, and care options—no referral."
canonical: "https://www.vitalsvault.com/conditions/cluster-headache"
last-updated: 2026-08-22
---

# Cluster Headache: Symptoms, Causes, Diagnosis, and Treatment

> Cluster headache is a severe one-sided headache with eye/nose symptoms that comes in cycles; learn triggers, treatments, and care options—no referral.

---

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