Are Abdominal Pain And Brown Periods Side Effects Of Inderal Tablets?

hello...I want to know if it is normal or not.I had period 2 weeks ago and had sex the day it ended and 2 days after that had sex again.one week later my boyfriend wanted to leave me and I overdosed inderal tablets,the following week I am having dark brown period like discharge and upper left abdorminal and back pain.Should I be worried?What is wrong with me?