I have been taking for about a week a pain killer soap/codeine tab 300-30mg about 1 a day for pain but now I have been getting dizzy don't know if it's that but now I started getting my blood pressure up I take lisinopril 20 mg 1 a day but now was wondering if it's not my BP medication that's making it do that can I cut the lisinopril in half and try that and occasionally I take half of a 12.5 htz last night my bp was 186/106 but my husband checked it at 6:00 am it was 145/90 I had been eating more table salt and caffeine than I regularly do and my dad passed away last May been under more stress and I'am prediabetic AC1 5.5 I checked the other morning had 123 fasting please advice could it be my Bp med causing the dizziness and could I take 1/2 of my bp and don't have health ins my husbands new employer don't offer it