Headache: can present in various forms,
- pain behind the eyes,
- pain on top of the head,
- nuchal line pain as in at the back of the skull,
- neck and shoulder pain radiating to the back of the head,
- in the ear area and TMJ joint area,
- face pain which can affect the teeth both upper and lower.
Dehydration headaches: generally occur at the back of the neck where the muscles of the neck attach to the skull.