Confirm the cluster pattern before starting a specialist pathway
Freiburg describes attacks that build rapidly, remain strictly unilateral around or behind the eye and are accompanied by autonomic signs and restlessness. Heidelberg explicitly treats cluster headache and other trigeminal autonomic headaches in its neurological headache clinic. A specialist review should confirm that the pattern fits cluster headache rather than migraine, trigeminal neuralgia, another TAC or a secondary headache disorder.
- Attack duration and daily frequency
- Strictly one-sided orbital or temporal pain
- Tearing, eye redness, nasal congestion or rhinorrhea on the painful side
- Ptosis or other ipsilateral autonomic signs
- Restlessness or pacing during attacks
- Episodic cluster periods versus a chronic course
An attack diary can clarify the pattern and treatment response
Cluster attacks can occur several times per day and often show circadian or seasonal clustering. Recording attack time, duration, side, autonomic symptoms, triggers and the response to acute treatment helps the headache center distinguish the phenotype and judge whether prevention is working.
Oxygen is an established acute treatment
Freiburg and the German Migraine and Headache Society describe inhaled oxygen as an effective treatment for acute cluster attacks. Because attacks escalate quickly, the practical plan matters: patients should discuss the correct oxygen system, mask and home access with their treating clinician rather than assuming that ordinary low-flow nasal oxygen is equivalent to a cluster-headache setup.
Fast-acting triptans can be used for acute attacks
Freiburg describes subcutaneous or inhaled/nasal triptan treatment for attacks, and the DMKG notes that ordinary over-the-counter pain tablets are usually too slow or ineffective for cluster headache. Cardiovascular contraindications, maximum use and the exact formulation should be reviewed individually.
Prevention is often the central long-term treatment question
When attacks recur frequently during a cluster period or the disease is chronic, specialist preventive treatment can reduce attack burden. The DMKG lists verapamil among commonly used preventive medicines and emphasizes experienced neurological supervision. Because preventive drugs differ in monitoring requirements and contraindications, the regimen should be individualized rather than copied from a generic online protocol.
Bridge treatment and nerve blocks are selected options
The DMKG describes short-term bridging approaches while longer-acting prevention takes effect and also notes occipital-nerve blocks as an option in selected patients. These are specialist decisions based on the cluster phase, comorbidity and previous response, not routine treatment for every patient.
Refractory chronic cluster headache needs reassessment before invasive treatment
The DMKG states that there is no established operative method that reliably switches off cluster headache long term. Selected invasive or neuromodulation approaches may be discussed only after adequate medical therapy has failed and the diagnosis has been confirmed by a cluster-headache specialist. A German second opinion is useful before pursuing an invasive intervention marketed as a definitive cure.
What to send for a German cluster-headache second opinion
A compact attack and treatment history lets the specialist determine whether the diagnosis and preventive strategy need to change.
- Headache or cluster diary with attack timing, duration and frequency
- Description of autonomic symptoms and the side of pain
- Previous brain MRI/CT reports and images if performed
- Acute-treatment history including oxygen setup and triptan formulation
- Preventive medicines with dose, duration, ECG/other monitoring and response
- Previous steroid bridge, nerve block or other specialist treatment
- Relevant cardiovascular and neurological history
- A specific question: confirm diagnosis, optimise acute therapy, review prevention or assess refractory chronic cluster headache
Official sources
Sources last checked 2026-09-01. Clinical pathways, eligibility and hospital procedures can change; confirm current requirements directly with the treating center.
- Headache / cluster headache diagnosis and treatment — University Medical Center Freiburg ↗
- Headache Center — Charité – Universitätsmedizin Berlin ↗
- Neurological Headache Clinic — Heidelberg University Hospital ↗
- Cluster headache – patient information and treatment — German Migraine and Headache Society (DMKG) ↗