I have a really bad migraine which i get often but this one is causing me to have pressure in my right eye to where it hurts to have open.

Time to seek help: When the pain of a migraine starts to hinder your ability to function, it is time to seek medical treatment through a neurologist. But you should start keeping a journal to try an identify the trigger event for your migraines.

You need to see a do: A doctor visit is necessary if you have not already consulted some one. Either an internist or neurologist can treat your migraine for which we have many good drugs . These drugs are called triptans like sumatriptan is one of them. If you have not taken one of these you could take a combination of pain medcines containing Aspirin or Ibuprofen plus caffeine for temp relief till you see your doctor.