Benzodiazepines like Valium can stay in the system for a long time. It depends on how much you take and for how long. Also your health, age, weight and metabolic rate play a part. Codeine is a prescription opiate medication used for mild to moderate pain relief and to reduce coughing. Knowing how long it remains in your system can ensure that you get the needed effects and reduce the risk of an overdose by using the dosage and timing recommended by your doctor. How Long Does Sperm Stay In Your Body? Before looking into the details of the what and how of plan b, let’s have a quick look of sperm and its travel inside a woman’s body. Doctors give trusted answers on uses, effects, side-effects, and cautions: Dr. Rosenfeld on how long will hydrocodone stay in your system: Why are you asking this question? Be honest. Vicodin is an opioid painkiller used to treat moderate to severe pain. It’s often prescribed to individuals who have just undergone oral surgery or other outpatient procedures, or for those who have chronic pain or back pain. Tylenol 3 is a prescription drug combining acetaminophen and codeine used for treating pain. Learn how long both ingredients stay in the body. First of all–you’re dates on how long drugs stay in your system are incorrect. It can take up to 4-5 days for methamphetamines to get out of your system EVEN if you are not a heavy user. How Long Does Percocet Stay in your System. This varies depending on your body and how it is tested (urine, blood, hair, etc) but it can generally leave your system after a few days. How Long do Opiates Stay in Your System? October 15, 2018 - Detox & Withdrawal, Opioid Addiction - 8 Comments. Do you need to pass a drug test? Select an option below to learn the specific opioid detection window. I take tylenol 1's with 8mg of codine on a daily basis,how long will it be in my system if I were too stop now?.