Pain has no certain definition. If there is a pain, you can take it as the main symptom of headache. It is different for everyone to tolerate headache pain. For example you may feel pain like a "5"on a scale of 1 to 10, but it may be an "8" for me. It is hard to describe as the pain is subjective, but the pain may be feels like throbbing, pulsing, or tightening. But for the children, who have no idea about headache pain, it will be a simple pain for them.

When a headache victim goes for diagnose, the doctor is unable to verify the information, what the patient provides the facts. Although the medicines are invented from the scientific researches for headache, it can’t be weighed or measured. Even you can not take a picture of this headache. The doctors are there for marking the symptoms of headache disorders by the diagnosis management. From this diagnosis management, the doctor provides a medication advice after listing and testing the disorders.

It will be hard to understand the types of headache like migraine, cluster, or tension. Still it is a mystery to solve the headache disorders as these are being researched. In fact it remains unknown what exactly happens during the headaches. As you know "prevention is better than cure", so it will harsh to consult with experts regularly.

It remains as a challengeable question for the experts, because they are not sure about the headache, but where as preventive prescriptive medication works well. Here is an instance for you that recently FDA approved a prescriptive medication for epilepsy, which solved only half of all attacks of many headache victims.