I just officially quit the prescription the cardiologist changed me to last year. I've had strokes and one heart attack, all likely due to blood clots. I'd been on an 81mg aspirin to reduce the likelihood of blood clots, and he changed me to Plavix, an anti-clotting drug. I've had numerous bleeding issues this last year, and apparently last night while sleeping I had an itch on the back of one leg, and I scratched it with my other foot, cutting a vein with a toenail. I woke with about a liter of blood in bed, destroying my mattress, sheets and comforter, and scaring me silly as that's about 1/5th of your blood supply. I could have bled out and died in my sleep last night!
As of RIGHT FUCKING NOW I'm back on the 81mg aspirin, as the bleeding problems were never this bad with aspirin.