 [ Symptoms ] normal period two weeks later bad stomach cramps discharge tender breasts and started bleeding never happened before this has never happened before i normally get my period around the same time and have never im 27 years old gotten two periods in one month or after only two weeks after the first one just started feeling tender breasts and discharge and then started bleeding could i be pregnant [ Disease ] no elevated blood pressure is not a known side effect of the flu vaccine other things such as pain can cause your blood pressure to rise if your blood pressure does not return to normal in the next couple of days have your doctor check it out