People tend to think that a drug test is simply pissing in a cup and submitting the said sample to a lab to have the urine analyzed. It is the most common and used type of drug testing but there are many more options including:
- Hair testing for residual drug traces
- Oral spit fluid
You should be evaluating and deciding which ones to use before deciding to use a drug test.
Saliva has grown hugely in popularity for drug testing as it is very effective and a cheap way of detecting drugs in a short time and can be used up to 5 days after drug ingestion or injection. The early testing window is why this method of drug testing remains so popular, it is by far the most reliable test to detect drugs within a quick period of time after ingestion, this means that it is unique amongst more drug testing methods as no other method of testing has the ability to detect drugs to quickly and easily as Saliva testing
Hair can easily help identify your history of drug usage, drug tests that use hair are generally used to determine a history of drug usage rather than Saliva which is used to detect drugs in a short period of time after usage. There is no other testing method that can reveal a large amount of history of drug usage over time as hair follicle testing can reveal
Urine testing is good but lacks a large amount of reliability, it can be faked via the usage of synthetic urine (just search up best synthetic urine for one to see how easy it is to find it) and you can easily fake not having used drugs at all.