On average opioids and opiates can stay in your system for up to 1 week. Numerous factors influence the length of time they stay in your system. Answers Posted in: osteoarthritis, pain, hydrocodone, dosage Answer: Hello Debbie 1956, I love dogs, but I would suggest you call the Vet Is a drug test for Vicodin at school or work is fast approaching? And are you wondering how long does hydrocodone stay in your system? If yes, then read How long does alcohol stay in your urine system use our calculator to find out if you can pass a regular urine test versus an EtG type screening test First of allyoure dates on how long drugs stay in your system are incorrect. It can take up to 45 days for methamphetamines to get out of your system EVEN if. Marijuana itself does not stay in the body for long periods of time, which is why hemp and other marijuana based products are safe to use and will not cause you to. Doctors give trusted answers on uses, effects, sideeffects, and cautions: Dr. Rosenfeld on how long will hydrocodone stay in your system: Why are you asking this. I recently developed an allergy to hydrocodone. I break out in intense itching throughout my entire body. I also had an allergic reaction to dilaudid after. Does Your Insurance Cover Rehab? Dont let cost prevent you from seeking treatment. The amount of oxycodone needed for analgesia (pain relief) varies widely between people. Usually, a doctor will start you on a low dose and then increase.