hi, you may be able to help.. or even any advice would be appreciated.. i'm 19 yrs of age and have been on tha birth control pill for about a year and a half now. about 5 months ago i had switched brands because i was having break through bleeding. so far this brand has been working really good until now.... i started a new pack on august 13, i had a very stressful week, i was extremely sick and threw up lots. i had septh throat (i think thats how you spell it) and have been taking penicillin. so for the past week, ive just been taking this penicillin medicine and taking the pill. ive ate VERY little. just today i started my period and i have no idea why. im still on my second week on the pill. i have no idea whats happening to my body right now... can anyone help? thank you soo much