hai.looks like ur husband has uncontrolled bloodpressure levels even after taking antihypertensives diastolic bp is quite high. tat too with complaints of headache& stomach discomfort. he has to undergo an ecg,regular monitoring of bp,ultrasound abdomen,biood tests like sr creatinine,bun,sugars,electrolytes. my suggestion is to please take him to ER to prevent further organ damage. take care.good luck.