Suggest Treatment For Pain In Clitoris After Sex

my wife recently shaved her pubic region and used her bullet on clitoris will having intercourse which is how she climaxes after this evenings activity her clitoris has began to give her extreme pain she is 25 240lbs no known medical problems or allergies also ever since weve had our child two years ago her sex drive has gone from 9 to a 1 what would be causeing this and what could be causing her pain all of a sudden today. Thank you