i have chronic sinusitis and 1 year long indigestion accompanied by flatulence,burping,abdominal bloating. Frequent recurring headache after meal, especially when i wake up in the morning with empty stomach. I usually bear mild headache on temporal region frequently and sometimes intense one on upper portion of eyes and front of head. I also have chronic postnasal drip problem. Headache causing a grim and grave interruption in my studies, please help me out so that i may get relief from such long lasting headache and indigestion.