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.

can cause pain on one side of your head. Right and left side pain generally have the same causes. Generally, the cause of your pain is mild and can be treated with home remedies and medications.

There are two main types of headaches. A primary headache occurs independently of any other medical condition. Whereas a secondary headache is a side effect ... or persistent head pain should ...