 [ Symptoms ] what kind of otc cold and flu medicine can cause a positive test for thc  i took a urine test for the methadone clinic and i tested positive for marijuana i have not smoked or have even been in contact with marijuana for over a year and a half so what could have caused this [ Disease ] having hiccups is innocent other than minor the minor social embarrassment if you have recognized that cola does this to you then you have the choice not to drink cola when you are in social gatherings alone you can hiccup all you want it is not bad for your health