2nd period after taking cryselle?

An
So I started the birth control Cryselle on the 18th of May. I was supposed to take 2 pills for 5 days. I was able to take 2 doses before I quickly realized I wouldn't be able to handle the side effects. I stopped taking it the day that was supposed to be my 3rd day. Its now the 8th day I was supposed to take it but I have seemed to have started my period? I have already had a period this month so I'm confused? Does anyone have any answer to why this is happening or should I go to the doctor? My last period was less than 2 weeks ago.