Different headache types can cause pain on the left side of the head. The pain usually isn’t cause for worry. But if the pain is intense or doesn’t go away, there may be a more serious cause.

A headache on the left side of the head may be due to a migraine or cluster headache. It may also indicate more serious issues. Learn more here.

Left-Sided Headache Causes. Clinically referred to as “unilateral headaches,” headaches on one side of the head arise due to a variety of factors.

Experiencing a left-sided headache can be distressing, but understanding its causes can help ease your concerns. Learn from an expert; its causes, potential red flags and when you should see a doctor.

Headaches on the right or left side of your head. Certain headaches may cause pain mostly or only on one side. They could affect either the left or right side of your head.

Headache on Top Left Side of Head Causes With cluster headaches and migraines, the pain may be on the left side. Cluster headaches happen on either the left or right side, rather than both sides.

Share on Pinterest A tension headache may cause pain on the left side and behind the eyes, and may be linked to stress. Tension headaches account for up to 42 percent of headaches worldwide.