Stress being the only cause of migraine is huge misconception among people. Migraines can be caused by metabolic changes, hormonal changes, structural and/or environmental changes or disturbances, stress and other emotional/ psychological factors. Migraines may also be trigger by dietary changes, continuous hormonal imbalances, auto-immune disturbances, lifestyle factors, and of course stress.
There are several types of adult migraine as well:
Common migraine
Classic migraine
Basilar migraine
Retinal migraine
The headache one gets when they have a migraine is only a single symptom of the migraine; one can have a migraine, yet have no headache pain.
Headaches are one of the many symptoms of migraine, others include:
Anxiety, aura with or without headache, weakness, nervousness, depression, increased urination or bowel movements, dizziness, imbalance (sometimes vertigo), double vision or temporary blindness, cold and clammy hands and feet, tingling of the hands or feet, numbness, lightheadedness, bred or teary eyes, nausea or vomiting, intolerance to light and noise, water retention, hyperventilation or nasal congestion.
If you have migraines it is very important that you learn what your triggers are - especially the food ones as those are the easiest to control. Secondly, it is important to find meds that work for you as well as knowing what your warning signs are that a migraine is coming - food craving, severe mood or energy swings are also signs in addition to aura, ringing, nausea, dizziness, tension at the nape of the neck, or a twitching / popping feeling on either side of your temples near your eyes.
I've suffered from complicated migraines for 22 years with a short term 5 years diagnose for the mystery pain and unwell feeling I'd always experienced.