Cluster headache is a condition where severe attacks of pain affect one side of the head or face, often around the eye.
This condition is called cluster headache as patients are affected by attacks of symptoms over a cluster of weeks or months. These symptoms will then often disappear (remissions) before reappearing in similar clusters again. People may experience up to 8 attacks per day.
In some patients there is no remission period, resulting in chronic cluster headache. Cluster headache affects 1 in 1,000 individuals over their lifetimes.
The predominant symptom is recurrent attacks of extreme one-sided headache. The pain is often described as feeling like a burn or deep pressure. Each episode starts suddenly and can last up to 3 hours. These attacks typically occur between one and eight times per day and classically affect the same side of the head and/or face. The headache characteristically recurs at the same time of day. It often causes significant distress and reduction in quality of life.
In addition to the headache other symptoms may include:
Each cluster of headache typically occurs for a few weeks or months. Between these clusters there are normally periods of remission. The symptoms will often return at a similar time of year to previous episodes. For 1 in 10 patients there will are no remission periods between attacks.
The exact cause of cluster headache is unknown. Increased activity and release of chemical messengers in a part of the brain, called the hypothalamus, is thought to be responsible for the attacks. The hypothalamus also plays an important role in regulating the body clock, perhaps explaining why symptoms typically occur at the same time of day.
Whilst the exact cause is unknown, men and those with a family history of cluster headache are more likely to be affected.</p><p>Some patients may have specific triggers.
These may include:
There is no test to diagnose cluster headache. A diagnosis is made by listening to a patient to understand their symptoms in full.
Other conditions may cause similar symptoms to cluster headache and further tests may be required to exclude their presence.
Cluster Headache Treatment
Custer headache is treated by a combination of methods involving pain relief for the headache, medication to prevent further headache and avoidance of specific triggers.
Over-the-counter painkillers (e.g. paracetamol, ibuprofen) are ineffective at treating the acute symptoms associated with cluster headache. Recommended first line treatment is therefore with triptans (e.g. Sumatriptan, Zolmitriptan) and/or oxygen delivered through a face mask.
A number of medications are used to help prevent recurrence of symptoms including verapamil, lithium, topiramate and gabapentin. Other options include local anaesthetic injections and nerve stimulation therapy.
Medicinal cannabis can be considered when first line therapies have not achieved adequate relief from symptoms.
If you are a patient or carer seeking an appointment to discuss treatment with medical cannabis, you can complete this form and we can assist you with this.
Eligible patients can provide us with their healthcare records or we can obtain these through your GP. This is to confirm that a patient’s condition has been fully assessed and all other treatment options have been attempted. We will ensure that the primary care provider receives all treatment communication to maintain the highest level of clinical governance.
We also accept referrals from healthcare professionals.
To refer a patient to us, please click here to fill and securely submit a referral form.
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