Headaches felt at the top (vertex) of the head are most commonly caused by tension-type headaches, which produce a squeezing, band-like pressure across the skull. But several other conditions, from neck problems to nerve irritation to dehydration, can send pain to that same spot. The location alone doesn’t point to one diagnosis, so understanding the quality of the pain, how fast it comes on, and what else accompanies it matters more than where you feel it.
Tension-Type Headaches
This is the most frequent culprit. A tension headache feels like a tight band wrapping around your head, pressing inward on your forehead, temples, and the top of your skull. The pain is steady, not throbbing, and ranges from mild to moderate. Episodes can last as little as 30 minutes or drag on for up to a week.
Tension headaches fall into three categories based on how often they strike. Infrequent episodic means one day a month or fewer. Frequent episodic means one to 14 headache days per month for at least three months. Chronic means more than 15 headache days per month for three months running. Stress, poor sleep, eye strain, and holding your neck in one position for long periods are the usual triggers. The pain tends to affect both sides of the head rather than concentrating on one spot.
Neck Problems That Refer Pain Upward
Your upper cervical spine (the top three vertebrae in your neck) shares nerve pathways with the scalp and top of the head. When something irritates those structures, pain can travel upward. This is called a cervicogenic headache. It typically starts at the base of the skull or back of the head and radiates forward or upward along one side, sometimes reaching behind the eyes or settling at the vertex.
Conditions that set this off include arthritis in the neck joints, pinched nerves, herniated discs, whiplash injuries, and strained neck muscles. A telltale sign is that neck movement makes the headache worse, and you may notice your neck feels stiff or has limited range of motion. These headaches are almost always one-sided.
Occipital Neuralgia
The greater occipital nerve runs from the upper neck across the back of the scalp to the top of the skull. When this nerve is compressed, entrapped, or irritated, it produces sharp, electric, shooting pain that radiates from the base of the skull along the back of the head all the way to the vertex. About 90% of occipital neuralgia cases involve the greater occipital nerve specifically.
The pain can strike without warning or be triggered by something as simple as turning your head. Common underlying causes include trauma (particularly whiplash), degenerative changes in the upper cervical spine that compress the nerve, and entrapment by tight muscles or blood vessels. Between episodes, the scalp along the nerve’s path may feel tender, tingly, or unusually sensitive to touch.
Dehydration Headaches
When your body loses more fluid than it takes in, your brain actually shrinks slightly and pulls away from the skull. This tugging activates pain-sensitive nerves surrounding the brain, producing a headache that can be felt all over the head, including the top. The pain is typically dull and worsens when you stand up, lean forward, or move your head.
A dehydration headache usually lasts a few hours and resolves after you rehydrate. It’s more common during hot weather, after exercise, or following a night of heavy drinking. If you notice the headache came on after you went several hours without water or lost a lot of sweat, dehydration is a likely explanation.
Increased Pressure Inside the Skull
A condition called idiopathic intracranial hypertension (IIH) occurs when the fluid pressure around your brain rises without an obvious cause like a tumor. Headaches from IIH can be felt across the entire head, including the vertex, and are often accompanied by vision changes: temporary blindness, double vision, blind spots, or loss of peripheral vision. Ringing in the ears and neck or shoulder pain are also common.
IIH is sometimes called “pseudotumor cerebri” because its symptoms mimic those of a brain tumor. It occurs most often in women of childbearing age, particularly those with a higher body weight. The headache may worsen when you lie down, cough, or strain, because all of these actions further increase pressure inside the skull.
Nummular Headache
This is a less common but distinctive condition where pain is confined to a small, well-defined circle on the scalp. The painful area is round or oval, typically between 1 and 6 centimeters across, and stays in exactly the same spot every time. While it can occur anywhere on the scalp, the most common location is on the side of the head near the top.
Within that small patch, you may notice unusual sensations: numbness, tingling, heightened sensitivity to touch, or a burning quality. The borders feel sharp, as if someone drew a coin-sized circle on your head. Nummular headache is considered a primary headache disorder, meaning it isn’t caused by another underlying condition, though the exact mechanism isn’t fully understood.
Warning Signs That Need Immediate Attention
Most vertex headaches are benign, but certain features signal something more serious. Headache specialists use a checklist of red flags to identify potentially dangerous causes:
- Sudden, explosive onset. A headache that reaches maximum intensity within one minute (a “thunderclap headache”) can indicate a burst blood vessel or a condition called reversible cerebral vasoconstriction syndrome, where arteries in the brain suddenly narrow. RCVS-related headaches peak in under a minute, last at least five minutes, and tend to recur over days to weeks.
- Neurological symptoms. New weakness in an arm or leg, numbness, vision changes, or difficulty speaking alongside the headache.
- Fever, night sweats, or weight loss. Systemic symptoms suggest an infection or inflammatory process affecting the brain.
- New headaches after age 50. A first-ever headache pattern starting later in life is more likely to have a secondary cause.
- Steady worsening. A headache that progressively becomes more severe or more frequent over weeks, rather than coming and going.
- Position-dependent pain. A headache that dramatically changes when you stand up versus lie down, or that’s triggered by coughing, sneezing, or straining, can point to a pressure problem inside the skull.
- New headache during or after pregnancy. This can signal vascular or hormonal conditions that need prompt evaluation.
Narrowing Down Your Cause
Because so many conditions can produce pain at the top of the head, paying attention to the details helps distinguish them. Steady, bilateral pressure that builds over hours and responds to rest or over-the-counter pain relief is most likely a tension headache. Pain that starts in the neck and climbs upward, worsening when you turn your head, points toward a cervicogenic source. Sharp, shooting jolts from the back of the skull to the crown suggest occipital nerve involvement.
Track how fast the headache comes on, how long it lasts, whether it’s on one side or both, what makes it better or worse, and any symptoms that tag along (vision changes, nausea, neck stiffness, fever). That pattern is the single most useful piece of information for figuring out what’s behind the pain.