MRI gives the most reliable information about brain structure, showing tissue damage or disease, such as infection, inflammation, or a tumor.
It is a superior technique to other common imaging techniques like an X-ray, ultrasound, or computed tomography (CT) scan (MRI gives information that cannot be seen with other techniques).
The correct diagnosis can be given only by neurologist specialized in headaches.
Cluster headache manifests as a pain, lancinating or boring in quality, and is located behind the eye or in the temple, sometimes radiating to the neck or shoulder.
Its attacks are striking at a precise time of day each morning or night, even precisely at the same time a week later.
You may have episodic (attacks occur once or more daily, often at the same times each day, for a period of several weeks) or chronic form (experiencing multiple headaches every day for years) of headache.
Cluster headaches are often mistaken for brain tumors.

Best wishes!

i had headaches for years i would curl in a ball and pray that i die b/c it was so painful. the doctor persribe medication, that only shortend the time of the pain.
my headaches was blamed on me looking at the computer all day at work
not wearing glasses and straining my eyes
they just gave me meds. w/o finding the reason.
please research holistic and herbal remedies.
long story short i m not in a stressful relationship, i m not currently working, and i have no more killer headaches. so mines was triggered by stress.

I have been having cluster headaches for the past 2 years. I had my first one the night before my daughter's 3rd birthday. It was so bad I went to the ER. I couldn't sit or lay down because that only made them hurt worse.

The PA at my dr.'s office prescribed me Immitrex and Esgic. I took the Esgic for "everyday" headaches, but when the "big one" would come. I would take the Immitrex. However, I would still feel like my head was about to explode. I actually told my husband one time that if I had been able to load his gun I could have shot my head and felt much better! I told my doctor that one time I took the Esgic, the Immitrex and 2 Tylenol and some sinus meds. And it was about an hour and half later that I felt some relief.

At that point they prescribed me Immitrex Nasal Spray. I will say that the cluster headaches do come on so fast and without warning. I will take the nasal spray as soon as I can get to it, and within about 15 minutes the pain is decreased to a minimal headache.

I have NOT had any MRI's done YET. However, I am starting to experience a lot of sudden sharp head pains. Most of them start at the back of my head and shoot to the front. They last about 5 seconds, but in that moment I stop in my tracks. It hurts so bad that it makes me jerk and my eye closes. (I have an appointment tomorrow concerning these) I am going to see my general doctor, and am sure they will send me to a neurologist. (they suggested I see one two years ago when these started, but I couldn't afford all the tests, and still can't!)