Had a normal 7 day period then two days after it ended it came again except brownish-red.

Dysmenorrhea: This inter menstrual bleeding is abnormal and could represent a wide variety of conditions from a simple hormone imbalance to an infection, uterine or cervical polyp, or rupture of an ovarian hemorrhagic cyst. Most conditions are benign and self-limited, but it is always best to make an appointment with your gynecologist to discuss any menstrual irregularity that persists.