Headache can be due to a lot of reasons. I need to know a few more facts from your before narrowing down on the diagnosis. Where is this headache - Front, Back or On Sides Which Side - Right, Left or Both Sides, Which Time of the day it is more Any specific Triggering factors Any Specific Relieving factors Is that associated with Nausea and / or vomiting Have you done any test Have you taken any treatment Please be kind enough to clarify the above details. I will be happy to chart the further course of action for you and to answer your questions.

You will need painkillers, anti allergics, and possibly antibiotics. Since your problem is severe, please see a local doctor immediately.