i have been using clotrimazole cream for about a month for a fungus on my leg I go to a pain mang. dr who gives me vicoprofen i took one about 6 hrs befour my appt. When they gave me a drug test an it showed up very little narcotic in test he told me there is no way i could of took one the night befour. So he said he could no longer dr me could the cream cause the test to come out wrong i do take other meds. but it didn't seem to be a problem befour