You have had a headache on one side of your head for about 3 days. That may be a migraine. Migraines are sharp pains in the head that happen on one side of the head after nausea or sensitivity to light. Saridon might alleviate the pain for a while, however, it is essential to find out about the causes of your migraines.  Notice any symptoms you have and whatever triggers lead up to your headaches. Avoiding heiks like stress, lack of sleep, favorite foods, or loud noises may help you stop migraines. Should headaches continue or deteriorate, a doctor is the right person to consult.