Whats the most effective blood pressure medicine?

Effective BP med: There is no simple answer to your question. All BP meds have their advantages and disadvantages. If you have diabetes with protein in your urine, you would be best treated for hbp with drugs such as an ace-i or arb. If you have some angina, you may be treated well with beta-blockers. Parents are different and it's up to them to have a discussion with their doctors to get the best regimen possible.