I am taking 2 tablets of veniz XR 37.5 for one week. I had a head ache( whole head, no specific place, time to time it changed) and depression and doctor advice me to take this. so after taking this table, I don t have head ache now, but left side of the head there is a sevier pain is connecting to the left ear. what shall I do. is it because of the tablet or any other reasons like nerve problem.............