Common causes of pain in the back of the head are different types of headaches, like tension, migraine, or exertion headaches. In some cases, pain in the back of the head can signal a more severe ...

Headache on the left side may cause generalized aching or pain in a specific place, such as behind the left eye. It may feel throbbing, sharp, or piercing. Most people will experience a headache ...

Neck pain on the left side usually results from a benign cause, like muscle strain from sleeping in an awkward position. Sometimes, a more serious cause may be a tumor or rheumatoid arthritis.

Some conditions, like sciatica, kidney issues, ovarian or testicular problems, and even gas tend to appear on one side only. In those cases, the side the symptoms appear on may be more or less random.

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