No single rate of administration or composition of maintenance intravenous fluids is appropriate in all circumstances. Thus, intravenous fluids may be viewed as medications that require careful dose adjustment that is specific to the disease state of each patient.
Codeine - 1 day in urine, up to 90 days in hair, 12 hours in blood. Fentanyl - 1 day in urine, up to 90 days in hair, 4 hours in blood. Morphine - 2 -3 days in urine, up to 90 in hair, 6 - 8 hours in blood. Heroin - 3 to 4 days in urine, up to 90 in hair, up to 12 hours in blood.
How long does phentermine stay in the body After taking this medication for several weeks, I would like to know how long it stays in the body. USA. Phentermine has an adult half-life of between 7 and 20 hours, and peaks in the bloodstream 8 hours following administration. Assuming a seven hour half-life, over 90% of the medication would theoretically be cleared from your system in 28 hours. Assuming a 20 hour half-life, it would take approximately 80 hours for most to clear.