How do you flush your system for an upcoming urine drug test?

Top Answer

Medical Jane

Last updated: June 3rd, 2016

Flushing your system for an upcoming drug test involves putting large amounts of liquids (not including alcoholic beverages) into your body so that the metabolites will be washed away faster. Note: this should be done with extreme caution. Although this may be an effective method, it can also be dangerous. Ingesting too much water can cause water poisoning and can make you very ill or even cause death. Cranberry juice is a natural diuretic and will help flush your system faster than water alone. Coffee and tea also act as diuretics. But remember, if your urine is overly diluted, it may raise a flag. To enhance the coloring of the urine so that it appears more yellow, you can add a B vitamin to your diet a day or two before the test.

If you’re taking a drug test on very short notice, you may have to resort to more potent diuretics, which are widely prescribed to treat high blood pressure. Although strong diuretics, such as furosemide (Lasix), are available only on prescription in the United States, these diuretics can be bought over-the-counter in Mexico and other foreign countries. Beware that they can be dangerous for certain persons, such as diabetics or pregnant women, and can cause problems if taken over extended periods. Diuretics can be detected in urine, but are rarely checked except for athletes.

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