i am a 57 years old indian having hypertension . it started at 150/90 few years ago and not tightly controlled. different types of single medicine like ATENOLAL/ AMLODIPINE/LOSARTAN POTASSIUM was used for different periods. now readings are above 160/100. feel dizzy sometimes. combination medicines are suggested. Please advise good combination medicine. i work in scientific research and enjoy the job. take more challenges.