I have headaches that start at the lower (right) back of my head?!

I have headaches that start at the lower (right) back of my head?

Sometimes it goes into a full head ache on one side like a migrane. Is thios from nerves. They seem to come and go without warning.

It's most likely an occipital neuralgia headache. These happen when the occipital nerve that runs into the skull on either side is compressed by muscle spasms in the neck. Often they're called tension headaches. They are most often caused by degenerative joint disease. It's not as ominous as it might sound. It's normal for joints to wear out, especially if you've had any kind of neck trauma (whiplash). The joint becomes bothersome prompting the muscles around it to tighten to hold it more stable and to produce less irritation, thus cutting off the blood supply to the occipital nerve.

Do you often have headaches when you wake up? If you look up or turn your head to the right and tilt it back, do you have pain?

There are several excercises provided by physical therapist that can help to stretch out the neck muscle. You can also try combining Tylenol and ibuprofen. Unfortunately, that helps for the muscular pain, but often doesn't help for the nerve pain. I also use a mild muscle relaxer.

Try seeing a well respected chiropractor first. If that doesn't help enough, seek help from a chronic pain specialist. I promise, these types of headaches are seen regularly.