Tension Headache: This is the most common headache. It is caused by stress, anxiety, anger, and tension in the neck muscles.
Migraine: Severe pain on one side of the head. Symptoms include sensitivity to light and sound, nausea, and vomiting.
Sinus Headache: Pain in the forehead and around the eyes when there is an infection or swelling in the sinus cavities.
Eye Strain: Excessive strain on the eyes due to blurred vision and prolonged use of mobile/computer can cause headaches.
Dehydration: A lack of enough water in the body is a major cause of headaches.
Lack of sleep: Lack of proper sleep can lead to headaches.
Dietary deficiencies: Increased appetite (starvation), or sudden cessation of caffeine (tea/coffee) can cause headaches.
Other physical causes: Increased blood pressure (BP), fever, digestive problems, and side effects of some medications can also cause headaches.