 [ Symptoms ] i need to take a urine drug test at cps to see my grandaughter will st johns wort show up on that test as a drug  i am considering substituting melatonin and st johns wort for my medical cannibis while my grandaughter is in cps so i can visit her i have anxiety shoulder pain and trouble sleeping i have menopause symptoms also [ Disease ] st john is wort is an herb and will not show up or be tested on a urine drug screen obviously the medical marijuana will be detected