At some time in your life you will probably have to take a drug test, therefore, you should know what the drug testing facts are. The most important different kinds of tests are because you are applying for a new career, and so they would like to know if you are a drug user. They ordinarily test for things like marijuana or cocaine.

One of the initial things you need to grasp is the fact that if you are told that you'll be have to have a random drug test done, is that it is probably likely to be a urine test. You shouldn't try to fake this kind of test by using somebody else’s urine. The first thing that the tester does is check the temperature of your urine, anything that is above 99 degrees and lower than 96 degrees will never be used. Testing the temperature of the urine has become an excellent means of discouraging individuals from attempting to fake their test.

Most individuals assume that their urine only will end up being examined for just one form of drug, more often than not this is not true. While it is possible to test the urine for a single type of drug, employers especially, would like to know if you might be using drugs. One of the most commonly requested urine drug test is one that tests for drugs in general. If anything abnormal turns up in the urine than the test comes back positive.

Have you ever heard of a false positive? That is when an individual digested something which in some way managed to seem like you were using drugs, and so failed the test. Generally there are a number of foods that induce this to take place, and also quite a few over the counter medications. This is why it is very important to keep track of what you have swallowed over the last 3-4 days to ensure that in case of an emergency, you are able to show them that it was not the use of drugs that instigated the urine testing to fail, but the medication or food you ingested.

As common as urine testing is, a hair follicle test could also be used. This is probably for anyone that is suspected of long term drug use, because the drug residue is present in your hair follicles for as long as you do not cut your hair. Therefore, the longer the hair, the longer the track record the tester has to determine if you have used drugs. There are different treatments you can use to thoroughly clean the drug residue from your follicles of hair though.