There's no cure for cluster headaches. The goal of treatment is to decrease the severity of pain, shorten the headache period and prevent the attacks.
Because the pain of a cluster headache comes on suddenly and may subside within a short time, cluster headache can be difficult to evaluate and treat, as it requires fast-acting medications.
Some types of acute medication can provide some pain relief quickly. Based on the latest studies, the therapies listed below have proved to be most effective for acute and preventive treatment of cluster headache.
Fast-acting treatments available from your doctor include:
Oxygen. Briefly inhaling 100 percent oxygen through a mask at a minimum rate of at least 12 liters a minute provides dramatic relief for most who use it. The effects of this safe, inexpensive procedure can be felt within 15 minutes.
The major drawback of oxygen is the need to carry an oxygen cylinder and regulator with you, which can make the treatment inconvenient and inaccessible at times. Small, portable units are available, but some people still find them impractical.
Triptans. The injectable form of sumatriptan (Imitrex), which is commonly used to treat migraine, is also an effective treatment for acute cluster headache.
The first injection may be given while under medical observation. Some people may benefit from using sumatriptan in nasal spray form, but for most people this isn't as effective as an injection and it may take longer to work. Sumatriptan isn't recommended if you have uncontrolled high blood pressure or heart disease.
Another triptan medication, zolmitriptan (Zomig), can be taken in nasal spray or tablet form for relief of cluster headache. This medication may be an option if you can't tolerate other forms of fast-acting treatments.
- Octreotide. Octreotide (Sandostatin), an injectable synthetic version of the brain hormone somatostatin, is an effective treatment for cluster headache.
- Local anesthetics. The numbing effect of local anesthetics, such as lidocaine (Xylocaine), may be effective against cluster headache pain in some people when given through the nose (intranasal).
Dihydroergotamine. The intravenous form of dihydroergotamine (D.H.E. 45) may be an effective pain reliever for some people with cluster headache. This medication is also available in an inhaled (intranasal) form called Migranal, but this form hasn't been proved to be effective.
To have the medication administered through a vein (intravenously), you'll need to go to a hospital or doctor's office to have the medication administered through a vein (intravenously).
Preventive therapy starts at the onset of the cluster episode with the goal of suppressing attacks.
Determining which medicine to use often depends on the length and regularity of your episodes. Under the guidance of your doctor, the drugs can be tapered off once the expected length of the cluster episode ends.
Calcium channel blockers. The calcium channel blocking agent verapamil (Calan, Verelan, others) is often the first choice for preventing cluster headache. Verapamil is often used in conjunction with other medications. Occasionally, longer term use is needed to manage chronic cluster headache.
Side effects may include constipation, nausea, fatigue, swelling of the ankles and low blood pressure.
Corticosteroids. Inflammation-suppressing drugs called corticosteroids, such as prednisone, are fast-acting preventive medications that may be effective for many people with cluster headaches.
Your doctor may prescribe corticosteroids if your cluster headache condition has only recently started or if you have a pattern of brief cluster periods and long remissions.
Although corticosteroids may often be a good short-term option, serious side effects such as diabetes, hypertension and cataracts make them inappropriate for long-term use.
Lithium carbonate. Lithium carbonate, which is used to treat bipolar disorder, may be effective in preventing chronic cluster headache if other medications haven't prevented cluster headaches.
Side effects include tremor, increased thirst and diarrhea. Your doctor can adjust the dosage to minimize side effects.
While you're taking this medication, your blood will be checked regularly for the development of more-serious side effects, such as kidney damage.
Nerve block. Injecting a numbing agent (anesthetic) and corticosteroid into the area around the occipital nerve, located at the back of your head, may help improve chronic cluster headaches.
An occipital nerve block may be useful for temporary relief until long-term preventive medications take effect.
Ergots. Ergotamine, available as a tablet that you place under your tongue, can be taken before bed to prevent nighttime attacks.
Self-injected dihydroergotamine (D.H.E. 45) also may be helpful. Ergot medications may be effective if taken early in your cluster attacks, but they can't be combined with triptans and can only be used for brief periods of time.
- Melatonin. Studies show that 10 milligrams of melatonin taken in the evening might reduce the frequency of cluster headache.
Other preventive medications used for cluster headache include anti-seizure medications such as divalproex (Depakote) and topiramate (Topamax).
Rarely, doctors may recommend surgery for people with chronic cluster headache who don't find relief with aggressive treatment or who can't tolerate the medications or their side effects.
Surgical procedures for cluster headache attempt to damage the nerve pathways thought to be responsible for pain, most commonly the trigeminal nerve that serves the area behind and around your eye.
However, the long-term benefits of surgery are disputed. Also, because of the possible complications — including muscle weakness in your jaw or sensory loss in certain areas of your face and head — it's rarely considered.
Research in potential cluster headache treatments
As scientists learn more about the causes of cluster headache, they're able to develop more-selective treatments for the condition.
Researchers are studying a potential treatment called occipital nerve stimulation. In this procedure, your surgeon implants electrodes in the back of your head and connects them to a small pacemaker-like device (generator). The electrodes send impulses to stimulate the area of the occipital nerve, which may block or relieve your pain signals.
Several small studies of occipital nerve stimulation found that the procedure reduced pain in some people with chronic cluster headaches.
Similar research is underway with deep brain stimulation. In this procedure, doctors implant an electrode in the hypothalamus, the area of your brain associated with the timing of cluster periods. Your surgeon connects the electrode to a generator that changes your brain's electrical impulses and may help relieve your pain.
Deep brain stimulation of the hypothalamus may provide relief for people with severe, chronic cluster headaches that haven't been successfully treated with other medications.
Researchers are studying other types of brain and nerve stimulation to prevent and treat cluster headaches.
Jun. 04, 2013
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