(Gresham, OR)  --  Gresham police are looking for a missing teenage girl who's in need of medication.  Sixteen-year-old Erica Paasch ran away from her home on Northwest Flanders Street on Tuesday.  Police say she was last seen yesterday morning in Hillsboro.  They say she has a medical condition that requires daily care.  Paasch is described as five-foot-seven, 160 pounds with faded red hair and brown eyes.  Anyone with information is urged to call police.