Preferred drug for the treatment of a 48 year old man with uncomplicated grade 2 hypeension without any associated co-morbidity is

According to ACC Guidelines and JNC 8 Guidelines - DOC for hypeension is Thiazides (preferred diuretic). The other first line drugs for hypeension are- - ACE Inhibitors - Angiotensin receptor blockers - Calcium channel blockers Triamterene and Spironolactone are K+ Sparing Diuretics - mainly used along with other diuretics to prevent hypokalemia. Furosemide - is a loop diuretic - used for conditions like congestive hea failure.