There is an entity called ice pick headaches which are as you describe very quick stabbing sharp pains that last only a few moments in a small region of the head. No serious underlying disease behind it, just a type of headache. Of the meds you;re taking, the ovcon can definitely cause headaches, especially in patients with pre-existing migraines. FOr reassurance that nothing else is going on, consider seeing a neurologist for a complete examination and possibly an MRI depending on the results. Good luck
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