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The Global Insight

What is a headache and what causes it

Author

David Craig

Updated on April 19, 2026

What causes headaches? Headache pain results from signals interacting among the brain, blood vessels and surrounding nerves. During a headache, an unknown mechanism activates specific nerves that affect muscles and blood vessels. These nerves send pain signals to the brain.

What exactly is a headache?

Narrowly defined, headache is pain in the head or face, and sometimes also includes pain in the upper neck. Pain sensitive structures in the head and face include the skin, bone and structures in the eyes, ears, nose and mouth.

How do you stop a headache?

  1. Rest in a quiet, dark room.
  2. Hot or cold compresses to your head or neck.
  3. Massage and small amounts of caffeine.
  4. Over-the-counter medications such as ibuprofen (Advil, Motrin IB, others), acetaminophen (Tylenol, others) and aspirin.

What are the 4 types of headaches?

There are several hundred types of headaches, but there are four very common types: sinus, tension, migraine, and cluster. Headaches are always classified as either primary or secondary. A primary headache is a headache that is not caused by another condition or sickness.

How do I make my headache go away?

  1. Try a Cold Pack.
  2. Use a Heating Pad or Hot Compress.
  3. Ease Pressure on Your Scalp or Head.
  4. Dim the Lights.
  5. Try Not to Chew.
  6. Hydrate.
  7. Get Some Caffeine.
  8. Practice Relaxation.

What does a brain Tumour headache feel like?

Every patient’s pain experience is unique, but headaches associated with brain tumors tend to be constant and are worse at night or in the early morning. They are often described as dull, “pressure-type” headaches, though some patients also experience sharp or “stabbing” pain.

What type of headaches are serious?

Cluster headaches are the most severe type of primary headache. Cluster headaches come in a group or cluster, usually in the spring or fall. They occur one to eight times per day during a cluster period, which may last two weeks to three months.

How do you get rid of a headache in 10 seconds?

  1. Start by pinching this area with the thumb and index finger of your opposite hand firmly — but not painfully — for 10 seconds.
  2. Next, make small circles with your thumb on this area in one direction and then the other, for 10 seconds each.

How long should a headache last?

Headaches can last between 30 minutes and several hours.

Can just a headache be Covid?

Around 15% of people who were ill with COVID-19 reported a headache as their only symptom.

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What does a throbbing headache mean?

Overview. A throbbing sensation is one symptom often associated with headaches, a common medical condition. When you develop a headache, blood rushes to the affected area of the head in an effort to remedy the problem. Throbbing results from the dilation of your blood vessels from the increased blood flow.

When should I be worried about a headache?

Get urgent medical attention if you have severe, unusual pain or other signs and symptoms. Your headache may be a sign of an underlying illness or health condition. Your headache pain may be serious if you have: sudden, very intense headache pain (thunderclap headache)

What foods help relieve headaches?

  • Leafy greens. Leafy greens contain a variety of elements that contribute to headache relief. …
  • Nuts. Nuts are rich in magnesium, which soothes headache pain by relaxing blood vessels. …
  • Fatty fish. …
  • 4. Fruits. …
  • Seeds. …
  • Whole grains. …
  • Legumes. …
  • Hot peppers.

Which juice is best for headache?

Orange juice Orange juice is another drink that may help with headaches and migraine attacks, given its high magnesium content. A 1/2-cup serving of orange juice contains about 11 mg of magnesium.

What part of head is Covid headache?

It is presenting mostly as a whole-head, severe-pressure pain. It’s different than migraine, which by definition is unilateral throbbing with sensitivity to light or sound, or nausea. COVID headaches present more as a whole-head pressure.

Is headache a symptom of stroke?

A sudden severe headache can be a sign of a stroke. Other common symptoms are: Numbness or weakness, especially on one side of your body. Trouble speaking or trouble understanding others.

What are 5 types of headaches?

  • Tension Headaches. Tension headaches affect approximately 3 out of 4 people at some point in their lives and can be brought on by a number of different reasons. …
  • Migraines. …
  • Sinus Headaches. …
  • Exertional Headaches. …
  • Cluster Headaches.

What were your first signs of a brain tumor?

  • Irritability, drowsiness, apathy or forgetfulness.
  • Numbness or tingling in the arms or legs.
  • Dizziness.
  • Partial loss of vision or hearing.
  • Hallucinations, depression or mood swings.
  • Personality changes, including abnormal and uncharacteristic behavior.

How do you know if a headache is a brain tumor?

Other headache symptoms associated with brain tumors may include: headaches that wake you up at night. headache pain that changes as you change positions. headache pain that doesn’t respond to standard pain relievers such as aspirin, acetaminophen (Tylenol), or ibuprofen (Advil)

Can neck problems cause headaches?

People often develop cervicogenic headaches after an injury that causes whiplash or as a result of a pinched nerve in the neck. Arthritis, neck sprains or a neck fracture can also lead to cervicogenic headaches. Sleep position and your posture at work might also trigger this type of headache.

How do I know what headache I have?

  1. If you have a tension headache, you may feel a dull, aching sensation all over your head. …
  2. Cluster headaches are characterized by severe burning and piercing pain. …
  3. Migraine pain is an intense pulsing from deep within your head. …
  4. Some migraine headaches are preceded by visual disturbances.

Does sleep make headaches go away?

Changes in sleep patterns can trigger migraine attacks, and sleep disorders may be associated with increased migraine frequency. Furthermore, migraine patients and their doctors very consistently report that sleep relieves already established migraine attacks.

Which finger do you press to relieve a headache?

Pressure Point LI-4 (Hegu) Pressure point LI-4, also called Hegu, is located between the base of your thumb and index finger. Doing acupressure on this point to relieve pain and headaches.

Does Tylenol relieve headache?

TYLENOL® is recommended for temporary relief from minor aches and pains due to headaches, but if you think you’re having migraines or cluster headaches, or have any other questions or concerns, please consult your doctor.

What are the first few symptoms of Covid?

  • Fever or chills.
  • Cough.
  • Shortness of breath or difficulty breathing.
  • Fatigue.
  • Muscle or body aches.
  • Headache.
  • New loss of taste or smell.
  • Sore throat.

How long does coronavirus headache last?

COVID-19 headaches typically last for a few days, although the duration depends on your age, immune system, and overall health condition. In mild cases of COVID-19, headaches will usually resolve within a few days. However, in more severe cases, mild or moderate headaches may come and go for up to 90 days.

Can you have coronavirus without a fever?

Can you have coronavirus without a fever? Yes, you can be infected with the coronavirus and have a cough or other symptoms with no fever, or a very low-grade one, especially in the first few days.

What is Isphotophobia?

Photophobia literally means “fear of light.” If you have photophobia, you’re not actually afraid of light, but you are very sensitive to it. The sun or bright indoor light can be uncomfortable, even painful. Photophobia isn’t a condition — it’s a symptom of another problem.

Can brain tumors cause headaches?

Brain Cancer Facts Some brain tumors do not cause headaches at all, since the brain itself isn’t capable of sensing pain. Only when a tumor is large enough to press on nerves or vessels do they cause headache.

Does drinking water help headaches?

Clinical bottom line: Water intake is a cost effective, non-invasive and low-risk intervention to reduce or prevent headache pain. Rationale: Chronic mild dehydration may trigger headache. Increased water intake could help.

Is lemon good for headache?

06/6​Lemon water One of the most simple yet effective drinks to cure sudden headache is lemon water. Not only does it cure hangover headaches but is effective in almost all kinds of headaches.