I had sex and then bought plan b. a week after i am having bad cramps, back pain, and red-brown discharge w/ blood. am i pregnant or a side effect. ?

Prob side effect : After you’ve taken plan B, you should get your next period at the expected time, or a few days early or late. You may experience spotting a few days after taking plan B. If your period is more than a week late, or you haven’t had a period within 3 weeks of taking it, take a home preg test. Back pain is not a usual symptoms after Plan B. If symptoms worsen, seek office check. You should be ok.

Probably side effect: Potential side effects w emergency contraception include: menstrual flow changes (spotting, bleeding, early or late period), nausea, vomiting, dizziness, fatigue, headache, breast tenderness & abdominal pain or cramps. However, usually the side side effects resolve within a few days. Take pregnancy test & notify dr if your period is 7 or > days late.