You are suffering from chronic migraine. Taking daily Disprin tablets is injurious. You should start migraine prophylaxis medications along with some life style modifications. There are different type of anti- migraine prophylactic medicines. Consult a neuro physician who will prescribe you the right medicine depending your physical condition and clinical status. Have some simple life styles like Avoid fasting, have regular 7-8 hours of daily sleep in right time, avoid excessive exposure to sunlight, cold air, airconditioner, bright light, very loud music or sound. Have some daily simple aerobic excersises and meditation, yoga. Avoid unnecessarily stress physical or mental.
Your headache is definitely treatable only some patience is required