Where your headache hits, how it feels, and when it shows up all offer clues about what’s causing it. Most headaches fall into a handful of recognizable patterns, and understanding those patterns can help you figure out whether you’re dealing with something routine or something that deserves medical attention.
What the Location of Your Pain Tells You
Headache location is one of the most useful starting points for narrowing down a cause, though it’s rarely the whole story.
Both sides, band-like pressure: Pain that wraps around your head like a tight band, pressing on your forehead and temples, is the classic tension-type headache. It’s the most common type of headache, often triggered by stress, poor sleep, or long hours at a screen. The pain is usually mild to moderate and feels more like pressure than throbbing.
One side of the head: Pain that stays on one side is a hallmark of migraine. It tends to be moderate to severe, pulsating, and often comes with nausea or sensitivity to light and sound. One-sided pain can also signal a cluster headache, particularly when it’s centered behind or around one eye. Cluster headaches are less common but far more intense, arriving in bouts that last weeks or months before disappearing.
Behind the eyes: Several headache types converge here. Cluster headaches often park behind one eye with a sharp, boring quality. Sinus headaches produce deep pressure behind both eyes and across the cheekbones, usually alongside congestion and facial tenderness. If the pain behind your eye comes with a watery or red eye and a drooping eyelid on the same side, that points more toward a cluster headache or a related condition called paroxysmal hemicrania.
Back of the head and neck: Pain starting at the base of the skull often originates from the neck rather than the brain. These cervicogenic headaches are driven by stiff joints or tight muscles in the upper spine. A key giveaway: the pain gets worse with neck movement, and your range of motion feels limited. Tension headaches can also radiate to the back of the head, but they’re usually felt more broadly.
Top of the head: Pain at the very top, or vertex, is less specific. It can show up with tension headaches, with certain types of migraine, or occasionally with headaches caused by abnormal pressure inside the skull.
What the Sensation Means
The quality of the pain matters as much as where it is.
Throbbing or pulsating pain is strongly associated with migraine. The pulsation often follows your heartbeat and tends to worsen with physical activity, even something as simple as bending over. Dull, steady pressure is more characteristic of tension-type headaches. Sharp, stabbing pain that comes and goes in bursts, sometimes called “ice pick” headaches, is its own category entirely. Each stab typically lasts three seconds or less, and they can strike anywhere on the head with no warning. They’re startling but usually harmless, recurring anywhere from once to several times a day with irregular timing.
Burning or piercing pain around the eye and temple, especially if it arrives in sudden bursts, can indicate a type of headache called SUNCT. These attacks are brief but intense, and they’re distinct from migraine in how rapidly they appear and resolve.
Common Triggers and What They Suggest
Sometimes the trigger itself is the most telling clue.
Dehydration: A dehydration headache is one of the easiest to identify because it responds quickly to water and rest. The pain is typically confined to the head (no neck or shoulder involvement), and you’ll usually notice other signs: dark urine, dry mouth, fatigue, intense thirst, or muscle cramps. Some people with dehydration don’t feel thirsty at all, which makes the other symptoms worth watching for.
Hormonal shifts: Many people with migraines notice attacks clustering around their period. The drop in estrogen just before menstruation is a well-established trigger. These menstrual migraines often behave like typical migraines but can be longer-lasting and harder to treat.
Overusing pain medication: If you’re taking over-the-counter painkillers for headaches more than two or three days a week, the medication itself can start causing headaches. These rebound headaches, sometimes called medication overuse headaches, create a frustrating cycle where the remedy becomes the problem. The headaches typically improve once you stop the overuse, though there’s often a rough withdrawal period of a week or two.
Physical exertion: Some people develop headaches during or after exercise, sex, coughing, or straining. These exertional headaches are usually harmless primary headaches, but they can occasionally be a symptom of an underlying issue, so a new onset of headache tied to physical effort is worth mentioning to a doctor.
Sinus congestion: Inflammation in the sinus cavities produces deep, pressure-like pain across the forehead, cheeks, and bridge of the nose. True sinus headaches come with clear signs of sinus trouble: thick nasal discharge, reduced sense of smell, and pain that worsens when you lean forward. Many people who think they have sinus headaches actually have migraines, since migraines can also cause nasal congestion and facial pressure.
Patterns That Reveal the Type
How often your headaches occur and how long they last can be more diagnostic than the pain itself. Tension headaches can last anywhere from 30 minutes to several days. Migraines typically run 4 to 72 hours and often follow a predictable sequence: prodrome (mood changes, food cravings, yawning), sometimes a visual aura, the headache itself, and then a “hangover” phase of fatigue. Cluster headaches are shorter, usually 15 minutes to 3 hours, but they strike multiple times a day during an active cluster period that can last weeks.
Pay attention to whether your headache pattern is changing. A headache that shifts in character, frequency, or intensity over time can signal something new going on. For example, if you’ve had occasional migraines for years but they suddenly become daily, that change matters more than the individual headache.
Warning Signs of a Serious Headache
The vast majority of headaches are uncomfortable but not dangerous. A small number, however, are symptoms of something that needs urgent attention. Doctors use a set of red flags to identify these, and knowing them can help you decide when to act quickly.
Sudden, explosive onset: A headache that reaches maximum intensity within a minute, sometimes called a thunderclap headache, is a medical emergency. It can indicate bleeding in or around the brain. This is the “worst headache of my life” scenario, and it demands immediate evaluation.
Neurological symptoms: Weakness on one side of the body, confusion, trouble speaking, vision changes (especially double vision), loss of balance, or personality changes alongside a headache are all red flags. While migraine aura can cause temporary visual disturbances, new or prolonged neurological symptoms need to be checked out.
Fever, weight loss, or night sweats with headache: Systemic symptoms alongside headaches can point to infection, inflammation of blood vessels, or other conditions that extend beyond a simple headache.
New headaches at certain ages: A first-ever headache in someone over 65 or in a child under 5 is treated with more caution, as these age groups have a higher likelihood of secondary causes.
Headaches that change with position: A headache that dramatically worsens when you stand up or lie down can indicate abnormal pressure inside the skull, either too high or too low. Similarly, headaches triggered by coughing, sneezing, or bearing down sometimes warrant imaging to rule out structural issues.
Headache after a head injury: Post-traumatic headaches are common after concussions and usually resolve, but a worsening headache after a blow to the head can signal a more serious injury like a brain bleed.
When Location Alone Isn’t Enough
It’s tempting to diagnose yourself based purely on where the pain is, but headache types overlap more than most people realize. Migraines can cause pain at the back of the head, not just the temples. Tension headaches can be one-sided. Sinus headaches and migraines mimic each other closely enough that studies have found many people with self-diagnosed sinus headaches actually meet the criteria for migraine.
The most useful approach is to consider location, sensation, timing, and associated symptoms together. A one-sided throbbing headache with nausea and light sensitivity that lasts half a day paints a different picture than a one-sided sharp pain behind the eye that lasts 45 minutes and comes with a teary, red eye on the same side. Both are one-sided, but one is likely migraine and the other a cluster headache. Keeping a simple headache diary, noting when your headaches happen, how they feel, how long they last, and what else is going on, gives you and your doctor far more to work with than location alone.