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.
1 Pot stays about 30 to 40 days if you smoke everyday then quit, coke stays about 2 to 3 days, the rest I don't think stays very long maybe a day or two! 2  I have found that it varies by person and by substance. 3  generally, weed stays in your fat cells (and therefore urine) for anywhere from 3 weeks - 3 months. On average, amphetamines will stay in your system from 1-4 days, depending on many factors including amount used, frequency of use, bodyweight, metabolism, etc. 2  New entry: Everyone should be aware that some drugs, both prescription and elicit, are stored in fat cells.