Hi. I ve gone through your query. I can understand your anxiety. From the history, your headache might be a outcome of increase BP. Early warning signs of HYPERTENSIVE CRISIS includes, severe headache, Defective vision, difficulty in breathing, palpitations etc. I advice you, Lifestyle Modifications : - Do regular exercises  & be stress free - Healthy diet with salt restriction - Avoid smoking, alcohol & fatty diet. - Consult your doctor for antihypertensive medications ( Amlodipine) - Eye examination by an ophthalmologist is needed. - Take Analgesics like Naproxen + Triptans. Hope I have answered your query. Let me know if I can assist you further. Take care. Regards, Dr. Yogapriya V, General and family physician.