 [ Symptoms ] antistimines and dui can you get a dui from taking an over the counter cold medicine which has chlorpheniramineantihistamine 2 mgs in it a day or two before a drug urine test it was only taken at night before bedtime nothing at all was taken that day [ Disease ] you would not have a problem on a drug screening from taking the drugs you mentioned in the amounts you mentioned because they are not related to narcotics you could get a dui however or a driving under the influence charge if you drove erratically after taking too much cold medication and were caught by a cop it would still be counted as being under the influence but you would have to be driving really badly and you would have to fail the field sobriety test moral if you are woozy from cold meds stay home it is safer anyway