A headache focused in the back of your head is most often caused by tension in the muscles of your neck and scalp. Tension-type headache is the single most common headache condition, and it frequently settles at the base of the skull, across the back of the head, or around both sides like a tight band. But several other conditions can produce pain in this exact location, and the quality of the pain, how quickly it starts, and what else you feel alongside it all point toward different causes.
Tension-Type Headache
This is the most likely explanation. The pain is usually mild to moderate, steady rather than throbbing, and felt on both sides of the head. Many people describe it as a belt being tightened around their skull. It happens when muscles in the neck, face, scalp, and jaw contract in response to stress, fatigue, or poor posture. The back of the head is a common focal point because the muscles at the base of the skull are among the first to tighten when you’re hunched over a screen or carrying tension in your shoulders.
These headaches can last anywhere from 30 minutes to several days. They tend to build gradually rather than strike suddenly, and they don’t usually come with nausea, sensitivity to light, or the pulsing quality typical of migraines.
Neck Problems That Refer Pain Upward
Your neck and the back of your head share a nerve highway. The upper three vertebrae in your spine (C1 through C3) send nerve branches directly to the scalp covering the back and top of your head. When something goes wrong in those joints, discs, or surrounding muscles, the pain travels upward and registers as a headache. This is called a cervicogenic headache, and it’s essentially referred pain: the problem is in your neck, but you feel it in your skull.
A cervicogenic headache typically starts as neck stiffness or pain and then spreads to the back of the head. It’s usually worse on one side. Turning your head or holding it in one position for a long time often makes it worse. People with desk jobs, those who sleep in awkward positions, or anyone recovering from a neck injury are especially prone to this type.
The Role of Forward Head Posture
Leaning your head forward, even slightly, dramatically increases the load on your cervical spine. This compressed posture tightens the small muscles at the base of your skull (called suboccipital muscles), the upper trapezius, and the muscles along the sides of your neck. Over time, the increased compression on cervical joints and ligaments produces chronic pain that radiates into the back of the head. If your headaches are worse at the end of a workday or after long periods of phone use, posture is a strong suspect.
Occipital Neuralgia
This is a less common but distinctive cause. Occipital neuralgia involves irritation or damage to the occipital nerves, which run from the upper neck to the back of the scalp. The pain is sharp, shooting, or electric-shock-like, arriving in bursts that last a few seconds to minutes. Between attacks, you may feel a dull ache or burning sensation. Many people notice tenderness at the base of the skull, and even light touch on the scalp or brushing your hair can feel painful.
The pain usually starts at the back of the neck and shoots upward toward the crown. It can affect one or both sides. Occipital neuralgia is sometimes triggered by tight neck muscles compressing the nerves, neck injuries, or inflammation. It’s considered rare compared to tension-type headaches, but it’s frequently misdiagnosed as migraine because the pain can be severe.
Exertion Headaches
If your back-of-head pain hits during or right after physical effort, you may be experiencing an exertion headache. Activities like weightlifting, running, coughing, sneezing, straining on the toilet, or sexual intercourse can all trigger them. The pain tends to come on quickly, affect both sides of the head, and feel throbbing or pulsing.
Most exertion headaches resolve within a few minutes to a few hours, though they can occasionally last up to 48 hours. They’re usually harmless, but a first-time exertion headache that’s sudden and severe deserves medical evaluation to rule out more serious causes.
Medication Overuse Headache
If you’re taking pain relievers for headaches more than two or three times a week, those same medications can start causing headaches of their own. This creates a cycle: the headache comes back as the medication wears off, prompting another dose, which triggers another rebound headache.
The highest-risk medications include prescription drugs containing butalbital, triptans used for migraines, and opioid painkillers. Taking any of these 10 or more days per month can lead to rebound headaches. Over-the-counter combination products containing caffeine, aspirin, and acetaminophen carry a moderate risk. Plain acetaminophen, ibuprofen, and naproxen have a lower risk but can still cause the problem with frequent use. If your headaches have gradually become more frequent over weeks or months, and you’ve been reaching for painkillers regularly, this cycle is worth considering.
Warning Signs That Need Immediate Attention
Most back-of-head headaches are not dangerous, but certain patterns signal a medical emergency. A thunderclap headache, one that strikes suddenly and reaches maximum intensity within 60 seconds, can indicate bleeding between the brain and its surrounding membranes or a tear in an artery supplying the brain. This type of headache is sometimes described as the worst headache of your life, and it demands emergency care.
Other red flags include a headache that comes with fever, seizures, confusion, or an altered mental state. A new headache pattern that’s progressively worsening over days or weeks, especially in someone over 50, also warrants prompt evaluation. The key distinction is sudden onset and unusual severity. A headache that builds slowly and feels like your usual tension pattern is far less concerning than one that arrives like a thunderclap.
What Helps
For tension-type and posture-related headaches, the most effective long-term approach is addressing the muscle tightness and joint stiffness driving the pain. Physical therapy programs for this type of headache typically include heat applied to the back of the neck, range-of-motion exercises (turning, tilting, and flexing the neck), stretching the upper trapezius and suboccipital muscles, and isometric strengthening where you press your head against your hand without moving. A specific hands-on technique called suboccipital release, where a therapist applies steady pressure to the base of the skull for about four minutes until the tight muscles soften, targets exactly the muscles responsible for posterior headache pain.
For cervicogenic headaches and occipital neuralgia that don’t respond to physical therapy, nerve blocks are an option. A clinician injects a local anesthetic near the affected nerve at the base of the skull. When successful, pain relief begins within 20 to 30 minutes and can last anywhere from several hours to several months. Not everyone responds, and lasting relief often requires a series of injections rather than a single treatment.
Day-to-day changes matter too. If you work at a desk, positioning your monitor at eye level and keeping your ears aligned over your shoulders reduces the forward-head posture that compresses cervical joints. Taking breaks every 30 to 45 minutes to move your neck through its full range helps prevent the muscle guarding that builds into a headache by late afternoon. Sleeping with a pillow that supports the natural curve of your neck rather than pushing your head forward can reduce morning headaches originating from the base of the skull.