 [ Symptoms ] again my dr is sending me for blood work one test says v58 69 long term drug use what is this test looking for  i am asking because i do not use narcotics or pain killers and it reads like i am a drug user [ Disease ] there may be some reason that the pediatrician would suggest this but in general we recommend breastmilk or formula exclusively at that age my rationale is that there are only so many ounces in a day that a 2 month old will consume so you might as well offer some calories