I took Yaz for almost a month i went out of town for four days and forgot to take the pills with me. I period start the same day i forgot to take and i when i came back 4 days later and took the tablets i am so sick weak and i have been seeing my period for the whole time i have been taking the pills that 21 days i have been bleeding none stop. My bleeding is like a river and i am so weak. I wont spent that that amount of money on a pill that i dont know if it helping me. My breast are so tender that i can hardly touch them. Please help me.