Is My Blood Good Or Bad When Its 117/84 It

Is my blood good or bad when its 117/84 it usually 120 /80 now lately I been lightheaded dizziness,headaches and feel like I'm going pass out , and I be losing breath I half to sit for a bit at my job I do take prescription but didn't get this way until I had this barbecue that started my headache it wasn't the pills I didn't my meds for a while but when I ate this barbecue pork I felt was going to die then I would open my eyes I would see double everyone I eat something salty or a little salt my headache starts even I get upset about something.Hi, can I answer your health question? Please type your question here...