Hi,
How are you? Chronic or prolonged migraine headache may be due to status migraine, which occurs for more than seventy-two hours.Vomiting, dizziness and visual problems may be present. Rest, anti-inflammatory medications and avoidance of triggers may help provide relief. You may need to have your ears checked to rule out fungal infection which may present with itchy ears. If you have allergies, it is also important that you avoid the allergen responsible for the attacks. Anti-histamine medications may help with your allergic reactions. Take care and do keep us posted.
Do not wait, please seek medical care. You symptoms could be cause from many different sources. One of which could be alleries. Migraines are very painful, I hope that your physician can find an effective way of making you pain free!