Nаtаshа is discharged 48 hоurs after an uncоmplicated delivery оf a full term healthy baby girl. She had a lateral episiotomy and was voiding easily on discharge. The next day she calls the NP regarding increased pain in her perineal area. She has taken ibuprofen as directed and her perineal area is very tender and swollen and she is having increasing difficulty voiding. What instructions would the NP give Natasha?