I Have Been On High Blood Pressure For About Six

I have been on high blood pressure for about six years now as of may of this year i have been on a diet i use to weight 273lbs and now i weight at 244 lbs iam taking losartan 100mg HCTZ 12.5 AND CARTIA XL 180 MG iam looking to redue of these medication especially cartia xl 180 do you think i can get off at least one or two thank you