Can you take amoxicillin with sudafedI asked a pharmacist this same question yesterday when picking up my prescription for amoxicillinbut be aware that amoxicillin can reduce/negate the effects of oral contraceptives (pill) rather take sudafed (not PE . Information about common uses, side effects, interactions, dosages and storage. . . have been taking sudafed, tylenol, advil and then ten days of amoxicillin. Can I take amoxicillin/clavulanate . I take sudafed but you can't take that . . . Ove... more