Causes of Headache

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Causes of Headache

Causes of Headache

Headache is very common among people of different ages. There are several factors behind headaches. It can be caused by some common factors like cold, stress hunger, etc. But prolonged headaches can be serious and you should immediately contact a good physician. In this blog, we have explained some most common reasons behind headaches.

Cold or Flu

People who are suffering from a cold or flu can suffer from headaches. This happens due to the cytokines. Cytokines are small proteins that are important to control the growth and activity of immune system cells and blood cells.


Tension headache, also known as stress headache, is a dull pain, tightness, or pressure around your forehead or on the back of your head and neck. The latest theories suggest that stress causes headaches due to the changes in brain chemicals called neurotransmitters. While it is not clear why neurotransmitters go up and down, scientists think that it activates the pain pathways in the brain.


Different addictions can cause headaches. For example, drinking alcohol relaxes the blood vessels which increases the flow of blood into the brain. Alcohol can also cause dehydration which can be a reason behind headaches. Just like this, the nicotine from cigarettes can cause a headache as a side effect.

Withdrawal From Addictions

If you are addicted to drugs, alcohol, smoking, etc, then it can be difficult as it could cause a headache. It is a good sign that you are leaving addictions that were responsible for negative impacts on your physical and mental health. Withdrawal headaches usually last for a week.


An abnormal posture can also be a cause of headaches. Abnormal posture causes tension in the upper part of the back, neck, and shoulders which can lead to a headache. To avoid this, try not to sit or stand in a single position for a long time.

Eyesight Problem

Farsightedness, nearsightedness, astigmatism, and monocular vision are among some common eyesight-related problems that can cause headaches. Overusing the muscles that are involved in vision focus can cause eye strain.


When you are dehydrated, your brain shrinks. As your brain shrinks, it pulls away from the skull which puts pressure on nerves. This pressure on the nerves of the brain causes headaches.


If you haven’t taken a meal for a long duration time then you are at high risk of experiencing a headache.This happens because the levels of sugar in your blood drops. As result, your body releases the hormones that signal your brain that you are hungry. These hormones also increase your blood pressure and tighten your blood vessels which result in headache.


Research suggests that a lack of sleep increases the amount of protein in the body that causes chronic pain. These proteins are the reason behind headaches. Moreover, if you are sleeping for a lot of time then you are at risk of headaches. The reason behind this is that sleeping too much keeps you from eating and hydrating your body which can result in a headache.

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