Excruciating Agony: My Fight With the Enigmatic Pain of Cluster Headache Syndrome

It was a overcast weekday morning in the autumn of 2016. I worked as a educator, trying to settle a new group of students, when a intense sensation erupted behind my right eye. Then came quick shocks, like lightning bolts. As each class progressed, the pain eased and then returned with increased intensity. Four times that day I handed over a colleague with worksheets and hurried to the school bathroom to soak my face with cool water. I tried paracetamol, but the pain remained unrelenting.

The headaches returned frequently that autumn, and once more in the spring, soon establishing an annual cycle. The autumn months were the worst, then the late winter. I could anticipate the routine: a warning sensation in the shower, early pangs on the train, full-blown pain in the classroom by 9.30am. In 2019, a GP finally referred me to a neurologist and I was given a diagnosis with cluster headache disorder.

Cluster headaches often start with intense pain around one eye that lasts for several hours.

About 1 in 1000 individuals suffer by the disorder, and males are more often diagnosed. Cluster headaches typically begin with sudden, excruciating pain around a single eye that peaks within minutes and continues for as long as three hours. Attacks occur in cycles, daily or multiple times a day, and are associated with tearing eyes, sagging eyelids or facial sweating. I have an episodic type, which occurs in periodic bouts; some patients have continuous attacks, characterized by the lack of extended symptom-free periods.

What connects sufferers is the severity. One study scored the pain at 9.7 10, more severe than broken bones or other conditions. A separate discovered a significant percentage of cluster headache patients experienced suicidal thoughts amid bouts; the figure dropped to four percent when they were not in pain.

One patient, in her seventies, a long-term patient from Pembrokeshire, isn't surprised. Her attacks started when she was two. “I would hurl myself on the floor and hit my head. That was put down to being spoiled,” she says. Her condition worsened through her youth. Alcohol in her adolescence, similar to many triggers, made things worse. After drinking sherry at her graduation party, she remembers hardly being able to see on the transport home.

Her relatives often mistook her attacks as drunken episodes. Support finally came from her parent and then from her husband, her spouse. “I was very fortunate to find such an exceptional person,” she says. Hobbs took clerical work after relocating, but often concealed her illness. She was fired from one job, in part due to time off during attacks. Her breakthrough diagnosis came in 2002 at a specialist neurology center.

Nevertheless, the inability to organize life around unpredictable pain took its effect. She particularly disliked being unable to plan outings, being seen as flaky as a colleague, and even having to be cared for by her children during the paralysis caused by the most severe episodes. “It robs you of the simple freedoms we don't appreciate until they're gone,” she says. She recalls obtaining tickets for a major concert, only to have an episode inside a facility.

Headaches have been documented throughout history. “The earliest description of headache originates from the Mesopotamians in antiquity,” write authors in a book on the subject. They attributed the ailment to an evil spirit who afflicted his sufferers' heads.

Historical medical texts propose bizarre remedies for what some observers would classify as a migraine. In the medieval times, severe headache was identified as a distinct condition, with therapies ranging from herbal concoctions to other, more folk cures.

It was a Dutch physician who provided the first detailed description of a cluster-type attack. In his medical observations, he describes a patient “afflicted with a very intense headache occurring and vanishing daily at fixed hours”.

Cluster headaches were only formally classified by global headache committees in 1988. From the mid-20th century to the 1990s, they were thought to be caused by a issue with a major blood vessel which supplies blood to the brain. Prominent specialists in treating the disorder note this.

In 1998, scientists published the results of a research project for which they had triggered attacks in patients and monitored the attacks in a imaging machine. The results, published in a prominent journal, showed activation of the a brain region, which is in charge for human circadian rhythm, when patients were in pain, and a deactivation when they recovered.

Despite such progress, diagnosis remains delayed. Jamie Charteris's attacks started in 1986 and felt like “a modelling balloon being blown up behind my left eye”. GPs thought he had a sinus issue; he underwent four operations before eventually being correctly identified in 2014, after a physician looked up his symptoms.

Specialists say wait times in diagnosing and managing occur because patients are rarely seen mid-attack. “You're exhausted and depressed, but not in severe pain,” a doctor says. He works by ruling out other primary head pain disorders, such as tension-type headache, before diagnosing cluster headaches. A thorough history is essential: on which side do signs appear? For how much time? What season? Are there triggers, such as certain foods? Specific features such as tearing, sagging eyelids and stuffy nose help confirm the diagnosis. Once identified, patients may be referred to dedicated clinics. But a lot of first arrive to A&E or are given unsuitable therapies.

Dorothy Chapman, in her late seventies, has suffered from the condition for most of her life, although she hasn't had an episode since recent years. When she was in her twenties, she had her molars pulled because dentists misinterpreted her symptoms. She believes dentists still need greater awareness. When a sufferer sought help from a support group, it was Chapman who responded. I remember calling a support line during an attack in 2021; a reassuring advisor talked me through oxygen therapy and drugs until the episode passed.

National guidance on management advise that patients are offered high-flow oxygen and/or a specific drug delivered by injection. No tablets or opioids should be used. Prophylactic choices include verapamil, which apparently helps manage the attacks of well-known individuals.

But leading specialists argue the official guidelines need updating to reflect a clearer clinical pathway and help GPs avoid misprescribing. For periodic patients, the treatment window is everything: “The duration of the cycle dictates the treatment.” Short bouts with occasional attacks are managed with acute therapy only. More prolonged or more intense bouts require preventives such as certain drugs, sometimes paired with steroids. Many patients also receive a nerve block injection during a bout – an injection into the area of the head where the discomfort is that reduces nerve activity.

The official guidelines need updating to reflect a