How long does coke stay in your system? This is a question people often ask themselves when they find out they need to take a drug test, but the answer can depend on various factors. There are many reasons someone might be wondering how long kratom would stay in their system if they were to use it. One of the primary reasons is if someone is dependent on kratom and wants to stop using the substance, but is worried about the withdrawal affects and when they will begin. How long tramadol will stay in the body has to do with the medication’s elimination half-life, which is the average amount of time it takes for half of the drug to be cleared from the body. Lortab will usually stay in your system for 4-7 days depending on how much you use it and the strength of the Hydrocodone involved usually it is 7.5 so you can count on about 4-7 days. I take Lortab 10, 4x day, but does not take care of my pain. dr. is going to take labs on me, will be 7 days since i took a methadone, only took for 5 days. It will show up longer than that. Because the half life of the medication is 4-5 hours, this means that 50% of the drug is still in your system after 4-5 hours. To prevent an overdose of either medication it can be helpful to understand how long they stay in the body so that you don't risk overlapping a new dose of either ingredient with medication that's still circulating in your system. This is a lot of questions about time frames for how long can weed be detected in your system. And there is a lot of “pitfalls” with marijuana drug testing. Related Posts: How Long Does Lortab Stay In Your System? How Long Does Chantix Stay In Your System? How Long Does Fentanyl Stay In Your System? How Long Does Paxil Stay In Your System After Stopping? Morphine is in a class of medications known as opiate (narcotic) analgesics. It works by changing the way the brain and nervous system respond to pain.