The body quickly absorbs and metabolizes codeine narcotics. So for most standard blood or urine screens, codeine will be detectable for 1-2 days. However, codeine is detectable in hair for longer periods of time. More here on the length of time codeine stays in your system, plus how you can get addicted to codeine.
Quick Answer. There are a number of reasons why a toilet may make noise after flushing; however, a loud noise that takes more than a minute after flushing the toilet may indicate a restricted water flow or a problem with water pressure. In such a case, the pressure valve should be adjusted while the toilet is making the noise.
Sometimes pipe noises are caused by the pipes rubbing or bumping inside the walls because they aren't strapped down well or, because their stud pass-through holes are too small or off center. If this is the cause they've probably made the sounds since the house was built or, the wall was repaired.