What Is the Cause of Right-Sided Head Pain?


Quick Answer

There are a number of conditions that can lead to pain in the right side of the head. Some of the more common causes are migraines, tension headaches and cluster headaches, notes Health.com.

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Migraine headaches can be debilitating and last for many hours, and while their specific causes are not fully understood as of 2015, some triggers include stress, poor sleep habits, monosodium glutamate, red wine, some odors and chocolate. In addition to right-side head pain, other symptoms include an aura or halo effect, flashing lights, a feeling of nausea and vomiting, explains WebMD.

Tension headaches are the most common type of headache, although they are usually not serious. Like migraines, the causes of tension headaches are unclear, although it is believed that they are brought on by some kind of change in brain chemistry, stress, depression, hunger and muscle strain. This type of headache is characterized by a constant pressure on the side of the head, or aching in the temples, back of the neck or head, states WebMD.

Cluster headaches tend to occur in cyclical patterns or clusters without warning and can last for several weeks. While the cause remains unknown as of 2015, it is believed that an abnormality of the hypothalamus and the body's biological clock are involved, due to the cyclical nature of attacks, explains Mayo Clinic.

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