most drug tests require you to collect a urine sample but some tests need a saliva sample that is collected using a swab. You can also purchase tests that use a sample of hair to screen for drugs. With many home tests, you will have results within just a few minutes. feb 24, 2023 · walgreens typically offers drug tests for the 5 most common drugs, which are marijuana, cocaine, opiates, amphetamines, and phencyclidine. Depending on the type of test, results can be ready within minutes or take up to a few. Testing for drug use at home typically involves several steps.
