I Have Had Dizzy Spells Up To 200 A Day

I have had dizzy spells up to 200 a day sense 2010. As I got older they got worse. Had a Doctor diagnose me in 2009 with endometriosis I have had 7 surgeries’ in my life I am a fall apart rabbit. I was diagnosed in 2012 with heart arrhythmia . I have no gull bladder. I have had migraines yet in the past year they last sometimes up to 7 days. I get nausea, dizzy spells, migraines and lately I am just too tired to even push myself to push myself to go on during the day. I have lost around 20 pounds I used to weigh 120-125 I have always gone down on weight in my life now I look like a walking skeleton. I recently found a lump and it felt like a zit it has developed in to a gaping hole on the side of my neck. On the left side. What do I do now!