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Migraine attacks can bunch together and then disappear for weeks, but that does not automatically mean cluster headache. Migraine frequency often varies. Hormonal timing, sleep disruption, illness, travel, stress change, medication use, or several modest factors arriving together can create a temporary flare.
The names sound similar, but the patterns are different.
| Feature | Migraine | Cluster headache | |---|---|---| | Typical untreated duration | 4 to 72 hours | 15 to 180 minutes | | Common associated symptoms | Nausea; light and sound sensitivity | Same-side tearing, red eye, blocked or runny nose, eyelid change | | Behavior during pain | Often wants stillness and darkness | Often restless, pacing, unable to lie still | | Frequency | Variable | Up to several attacks per day during a bout |
The word cluster has a specific clinical meaning in cluster headache: repeated bouts separated by remission. It does not simply mean “my migraines were close together.”
One week may combine short sleep, a deadline, irregular meals, weather change, and a menstrual-cycle shift. No single factor needs to be sufficient on its own.
Menstrual migraine is one clear example, but migraine can also show seasonal or less predictable cycles. A diary helps reveal whether the flare returns at a recognizable interval.
Symptoms that improve with medicine and return within 48 hours may be recurrence rather than a wholly separate attack. The International Headache Society notes that judgment is needed when deciding whether these are relapses or new attacks.
More attacks lead to more treatment days, which can eventually contribute to medication-overuse headache in susceptible people. Count medication days, not just doses.
Short, extremely severe, strictly one-sided attacks with eye or nasal symptoms and agitation require assessment for cluster headache or another trigeminal autonomic cephalalgia.
Use a printable migraine diary for at least one full month and record headache-free days too. Include:
A calendar view makes clustering visible in a way a list of attacks does not.
Arrange review if a flare is new, the attacks are becoming more frequent, acute treatment is failing, or you are using acute medicine often. Bring the diary rather than relying on a single monthly total; “six attacks” means something different when they happened across six separate days versus two prolonged episodes with recurrence.
Seek emergency help for a sudden worst-ever headache, new weakness or speech trouble, seizure, severe confusion, fever with stiff neck, vision loss, or a severe headache after injury.
Yes. Migraine frequency can rise and fall, and some people have long quiet periods. A remission does not by itself identify the reason for the earlier flare.
There is no migraine diagnosis based on an informal number of attacks “in a cluster.” Cluster headache has its own features and diagnostic criteria.
Record both symptom episodes and headache-free time between them. If symptoms recur within 48 hours after treatment, show the timeline to your clinician so they can decide whether it represents recurrence or a new attack.
