Almost everyone experiences a headache at some point, but not all headaches are the same.
One person may feel a tight band of pressure around the head. Another may experience throbbing pain accompanied by nausea and sensitivity to light. Someone else may develop excruciating pain around one eye several times a day.
These different patterns can represent different headache disorders.
According to the World Health Organization, headache disorders are among the most common disorders of the nervous system and affected approximately 40% of the global population—around 3.1 billion people—in 2021.
Most headaches are not caused by life-threatening disease.
However, certain headaches require urgent medical assessment.
Understanding the different types can help you recognise when self-care may be reasonable, when you should arrange a healthcare appointment and when a headache could be an emergency.
Primary vs Secondary Headaches
One of the most useful ways to understand headaches is to divide them into two broad groups.
Primary headaches
With a primary headache disorder, the headache itself is the condition rather than a symptom caused by another underlying disease.
Important primary headache disorders include:
- migraine
- tension-type headache
- cluster headache
- certain exercise-related headaches
- certain headaches associated with sexual activity.
Secondary headaches
A secondary headache occurs because of another condition or factor.
Possible causes range from relatively minor problems to medical emergencies.
Examples can include:
- medication overuse
- infection
- head injury
- sinus inflammation
- problems involving blood vessels in or around the brain
- stroke
- meningitis
- very high blood pressure in certain circumstances
- other medical conditions.
The characteristics of your headache and accompanying symptoms help healthcare professionals determine which possibilities need to be considered.
Here are 11 headache types and patterns worth understanding.
1. Tension-Type Headache
Tension-type headache is extremely common.
The World Health Organization describes the pain as typically feeling like pressure or tightness, sometimes compared with a band around the head.
Pain may occur on both sides and can also involve the neck.
Unlike migraine, ordinary physical activity does not typically make tension-type headache substantially worse.
The pain is usually mild to moderate rather than extremely severe.
Possible symptoms
You may experience:
- pressure or tightness around the head
- dull aching pain
- tenderness around the scalp, neck or shoulders
- pain on both sides of the head.
Stress may be associated with tension-type headache in some people, and musculoskeletal problems involving the neck may also contribute.
Treatment
Depending on the individual, treatment can include appropriate over-the-counter pain medicines, managing stress, maintaining regular sleep and addressing musculoskeletal problems.
However, repeatedly taking pain medicines can itself create another headache problem, which we discuss later.
If headaches become frequent, do not simply continue increasing your use of painkillers.
Seek professional assessment.
2. Migraine
Migraine is a neurological disorder, not simply a particularly severe headache.
A typical untreated migraine attack may last approximately 4 to 72 hours.
The headache is often:
- moderate to severe
- throbbing or pulsating
- worse with ordinary physical activity
- on one side, although both sides can be affected.
Other symptoms commonly include:
- nausea
- vomiting
- sensitivity to light
- sensitivity to sound.
Some people experience migraine aura, which can cause temporary visual, sensory or language symptoms.
Treatment
Migraine treatment may include medicines used to stop or reduce an individual attack and preventive treatments intended to reduce attack frequency or severity.
Treatment depends on factors such as:
- frequency
- severity
- other medical conditions
- pregnancy considerations
- previous treatment response.
Lifestyle measures such as regular sleep, hydration, regular meals and identifying meaningful personal triggers may also help.
People with frequent or disabling migraine should seek appropriate medical treatment rather than relying solely on over-the-counter painkillers.
3. Menstrual Migraine
Hormonal fluctuations can influence migraine.
Some women experience migraine attacks around menstruation, particularly in association with falling oestrogen levels.
These attacks may occur shortly before or during a menstrual period.
Keeping a headache diary alongside menstrual-cycle dates can help determine whether there is a consistent relationship.
Treatment
Treatment depends on the individual's migraine pattern.
Options may include standard acute migraine treatments.
For women with predictable menstrual migraine, a healthcare professional may sometimes recommend short-term preventive treatment around the vulnerable period.
Longer-term preventive treatment may be appropriate when attacks occur frequently throughout the month.
Hormonal treatments require individual assessment because they are not appropriate for everyone.
4. Cluster Headache
Cluster headache is uncommon but extremely painful.
Pain is generally severe and occurs on one side of the head, usually around or behind one eye.
An attack may also cause symptoms on the same side, including:
- watery eye
- red eye
- blocked nose
- runny nose
- drooping eyelid
- facial sweating.
Unlike someone experiencing migraine who may prefer to lie quietly in a dark room, a person having a cluster headache may feel restless or agitated.
Attacks can occur repeatedly, sometimes several times in a single day, during a cluster period.
Treatment
Cluster headache requires proper diagnosis.
Specific treatments are available for acute attacks and for preventing future attacks during a cluster period.
Ordinary painkillers are generally not adequate because cluster attacks can become extremely severe very quickly.
If you think you may have cluster headache, seek medical assessment.
5. Medication-Overuse Headache
This condition was previously commonly called a rebound headache.
Medication-overuse headache can develop when someone with an existing headache disorder uses certain medicines for acute headaches too frequently over time.
A difficult cycle can develop:
Headache → medicine → temporary relief → more headaches → more medicine.
Eventually, headaches may occur on most days.
Medication-overuse headache can involve:
- simple painkillers
- combination headache medicines
- triptans
- opioids
- other acute headache medicines.
The risk depends partly on the type of medicine and how frequently it is used.
Importantly, the old version of this article suggested that taking aspirin “twice a week” causes rebound headaches.
That is not an accurate universal threshold.
Formal diagnostic criteria depend on medication type, frequency and duration of use.
Treatment
Treatment generally involves addressing the overused medication while also developing an effective strategy for the underlying headache disorder.
Do not abruptly stop certain prescription medicines without professional guidance.
If you find yourself regularly needing acute headache medication several days each week, discuss the pattern with a healthcare professional.
6. Headache Associated With Sexual Activity
Headache can occur during sexual activity.
A recognised condition called primary headache associated with sexual activity can cause pain that:
- gradually increases as sexual excitement increases, or
- suddenly becomes intense around orgasm.
It can occur in sexually active adults of different ages.
However, there is an extremely important safety issue.
A first sudden sexual headache needs medical assessment
A sudden explosive headache during sexual activity can resemble a thunderclap headache.
Dangerous causes can include bleeding around the brain, arterial problems and other vascular conditions.
The International Classification of Headache Disorders specifically advises excluding serious causes at the first onset of headache associated with sexual activity.
Therefore, do not simply assume that a sudden severe headache during orgasm is harmless.
Seek urgent medical assessment, particularly for a first occurrence or an abrupt, extremely severe headache.
Once dangerous causes have been excluded and a primary sexual headache has been diagnosed, a healthcare professional can discuss appropriate management if attacks recur.
7. Cold-Stimulus Headache — “Brain Freeze”
Many people have experienced the sudden sharp headache that follows eating or drinking something very cold.
It is commonly called brain freeze or an ice-cream headache.
Its medical classification is a cold-stimulus headache.
It can occur when cold material contacts parts of the mouth or throat.
Pain usually develops quickly and resolves relatively quickly.
What can you do?
Stop consuming the cold food or drink temporarily and allow the mouth to warm naturally.
Eating or drinking cold items more slowly may help reduce recurrence.
A typical brief brain-freeze episode is generally harmless.
However, recurring headaches unrelated to cold exposure should not automatically be labelled brain freeze.
8. Exercise Headache
Headache can sometimes occur during or after strenuous physical activity.
A recognised disorder called primary exercise headache occurs only during or after strenuous exercise when another underlying cause is not responsible.
Activities associated with exertional headache can include strenuous:
- running
- weightlifting
- sports
- other vigorous exercise.
But a first sudden severe headache during exercise needs careful attention.
When should you seek help?
Seek prompt medical assessment if an exertional headache:
- occurs for the first time
- begins explosively
- is unusually severe
- is accompanied by neurological symptoms
- occurs with loss of consciousness
- feels dramatically different from previous headaches.
Serious secondary causes need to be excluded before repeatedly assuming that exercise headaches are harmless.
9. Headache Related to Jaw or Dental Problems
The old article called this a “dental headache.”
A better description is headache or facial pain associated with dental or temporomandibular problems.
Problems affecting the jaw joint and chewing muscles can cause pain that may spread into:
- temples
- face
- jaw
- ear region
- head.
Possible symptoms include:
- jaw pain
- clicking or limited jaw movement
- pain while chewing
- teeth grinding
- facial tenderness.
Dental problems such as infection can also produce facial or referred pain.
Treatment
Treatment depends on the actual cause.
Persistent jaw, tooth or facial pain should be evaluated appropriately by a dentist, doctor or other qualified healthcare professional.
Avoid assuming that all pain around the temple or face comes from the teeth.
10. Headache on Waking
“Early morning headache” is not one single headache disease.
Instead, waking with a headache is a pattern that can have several possible explanations.
Potential contributors can include:
- migraine
- medication-overuse headache
- sleep problems
- teeth grinding
- alcohol
- caffeine withdrawal
- other medical conditions.
Sleep apnoea may also be associated with morning headaches in some people.
If you frequently wake with headaches—particularly if you also snore loudly, stop breathing during sleep or experience significant daytime sleepiness—consider discussing this with a healthcare professional.
A persistent change in your usual headache pattern deserves assessment.
11. Thunderclap Headache
This is one of the most important headache patterns to recognise.
A thunderclap headache is a severe headache that begins suddenly and reaches maximum intensity very rapidly—typically within about a minute.
It may be described as:
- the worst headache of your life
- an explosive headache
- a headache that struck “out of nowhere.”
A thunderclap headache is not a diagnosis that should be managed at home.
It can sometimes be associated with serious conditions such as:
- bleeding around the brain
- a ruptured blood vessel
- arterial dissection
- blood clot involving the brain
- stroke
- reversible cerebral vasoconstriction syndrome
- severe blood-pressure emergencies
- certain infections.
What should you do?
Seek emergency medical care immediately for a sudden severe thunderclap headache.
Do not wait to see whether it improves with a painkiller.
What About “Weekend Headaches”?
The old version of this article listed “weekend headache” as one of the 11 headache types.
It is better understood as a pattern rather than a distinct major headache disorder.
Some people notice headaches on weekends because their routine changes.
Potential contributors include:
- sleeping substantially later than usual
- caffeine withdrawal
- delayed meals
- alcohol
- changes in stress
- changes in medication schedule.
Someone who normally drinks several cups of coffee early every weekday, for example, may sleep late on Saturday and develop a caffeine-withdrawal headache.
Maintaining a reasonably consistent sleep, meal and caffeine routine may help if you notice this pattern.
What About “Sinus Headaches”?
People frequently assume that pain around the forehead, cheeks or eyes means they have a sinus headache.
But migraine can also cause facial pressure, nasal congestion and watery eyes.
True headache associated with sinus infection generally occurs alongside other evidence of sinus disease.
If you repeatedly diagnose yourself with “sinus headaches,” particularly when you also experience nausea or sensitivity to light and sound, consider medical assessment for migraine or another headache disorder.
How Do Doctors Diagnose Headache Disorders?
There is no single test that identifies every headache disorder.
Diagnosis usually begins with a detailed history.
A healthcare professional may ask:
- where the pain occurs
- what the pain feels like
- how severe it is
- how quickly it begins
- how long attacks last
- how often they occur
- what other symptoms accompany them
- which medicines you use
- whether your headache pattern has changed.
A physical and neurological examination may also be performed.
Brain scans and other tests are not necessary for every ordinary headache.
They are used when symptoms or examination findings suggest that another cause needs to be investigated.
Keep a Headache Diary
If headaches recur, a diary can be extremely useful.
Record information such as:
- date
- starting time
- duration
- pain location
- pain severity
- associated symptoms
- sleep
- meals
- caffeine
- alcohol
- menstruation where relevant
- medication taken
- treatment response.
Take the diary to your medical appointments.
Patterns that are difficult to remember may become obvious when written down.
Be Careful With Frequent Painkiller Use
Over-the-counter medicines can be useful for occasional headaches when they are appropriate for you.
But more is not necessarily better.
Using certain acute headache medicines too frequently can contribute to medication-overuse headache.
Painkillers can also have other risks.
For example, depending on the medicine and individual circumstances, these may include:
- stomach irritation or bleeding
- kidney problems
- liver injury from excessive doses of certain medicines
- medication interactions.
Follow package directions and professional medical advice.
Do not combine medicines containing the same active ingredient without realising it.
If you regularly need headache medication, the solution may be better diagnosis and preventive treatment, rather than simply taking more painkillers.
When Should You See a Healthcare Professional?
Arrange an assessment if headaches:
- are happening more often than before
- are becoming more severe
- regularly interfere with work, sleep or daily activities
- have changed significantly from your usual pattern
- require frequent medication
- repeatedly wake you from sleep
- started recently and continue recurring
- concern you even if you cannot identify why.
Also seek assessment for a new type of headache after age 50.
When Is a Headache an Emergency?
Seek urgent or emergency medical care for a headache that:
- begins suddenly and is extremely severe
- reaches maximum intensity very rapidly
- occurs with new weakness, paralysis or numbness
- occurs with new difficulty speaking or understanding speech
- causes loss of consciousness
- occurs with seizure
- occurs with severe confusion
- occurs with fever and significant neck stiffness
- occurs with sudden significant vision changes
- follows a significant head injury
- occurs during pregnancy or shortly after childbirth and is severe or unusual.
A sudden severe headache during sexual activity or strenuous exercise also requires particular caution, especially if it is the first occurrence.
When serious symptoms are present, contact your local emergency medical service rather than attempting to diagnose the headache yourself.
The Bottom Line
Headache is not one single condition.
Migraine, tension-type headache and cluster headache are important primary headache disorders.
Other headache patterns can be associated with medication overuse, sexual activity, strenuous exercise, cold stimulation, jaw problems, sleep-related factors or underlying medical conditions.
The characteristics of your headache matter:
Where does it hurt? What does it feel like? How suddenly did it begin? How long does it last? What symptoms accompany it?
Those details can help healthcare professionals determine the likely cause and appropriate treatment.
Most importantly, do not automatically treat every headache with repeated painkillers.
And never ignore a sudden, explosive or dramatically different headache, particularly when accompanied by neurological symptoms.
Medical Disclaimer
This article provides general educational information and does not replace personalised medical diagnosis or treatment. Headaches can have many causes, and treatment depends on the underlying headache disorder and individual medical history. Seek emergency medical care for a sudden severe headache or a headache accompanied by serious neurological symptoms.
Sources and Further Reading
World Health Organization — Migraine and Other Headache Disorders
https://www.who.int/news-room/fact-sheets/detail/headache-disorders
International Headache Society — International Classification of Headache Disorders (ICHD-3)
https://ichd-3.org/
International Headache Society — Primary Headache Associated With Sexual Activity
https://ichd-3.org/other-primary-headache-disorders/4-3-primary-headache-associated-with-sexual-activity/
American Migraine Foundation — Medication Overuse Headache
https://americanmigrainefoundation.org/resource-library/medication-overuse-headache/
Mayo Clinic — Headache Causes
https://www.mayoclinic.org/symptoms/headache/basics/causes/sym-20050800
Mayo Clinic — Thunderclap Headaches
https://www.mayoclinic.org/diseases-conditions/thunderclap-headaches/symptoms-causes/syc-20378361
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