Leading companies these days are much more concerned about the fact that their money should not be spent illogically and that is why the employers are more cautious about the spirit of the employees and their proper behavior. They are quite concerned about the better outcome of the money they are paying to their employees. The sobriety of the employees is the foremost criterion of getting the corporate jobs. They want to clear the fact that their hired people are not addicted to any type of addiction basically drug addicted. They are stressing this fact because they want to be quite sure about the fact that their money is not blowing like dry leaves behind the unprofitable causes. They want their employee should not be under the influence of any kind of drugs that may hamper their ability to work. So all these days it has been finalized that before getting the appointment letter you have to pass all he stages of a drug test in order to clear the air that you are not addicted to any kind of drugs. In many countries this drug testing before employment has been legally proclaimed. Therefore according to the law of the state you are bound to go through all the stages of drug test and must pass them in order to get your appointment letter. Not only that many employers often doesn't think that to be enough to have a drug test conducted before employment. They often conduct periodical drug tests, i.e. they use to conduct such tests with regular intervals, in case any of the employees have put on the habit after joining.

This is proved good for the entire society, as it is not for the work culture of the office but to ensure the entire health of the society. This is good for both the employer and the employee. Many schools and colleges have also taken on this system to have a check on their students in case any of their students are addicted to the harmful effects of drugs. Now come to the main discussion, as this is the stage of drug testing. Here are three stages of drug test that an employee has to clear and they are urine test, saliva test and pass a hair test. Now a day it has been a trend to take some medicines like benzodiazepines or oxycodone as anti-anxiety medicines and painkillers. As these drugs are prescribed medicines the data is not clear that whether they are used for their proper usage or the employees have got addicted to these medicines.

The most commonly used method for testing the presence of drugs is by testing the urine. In this method the urine of the employee is collected in a cup and is checked by using a panel kit that gives instant result. In some cases the sample of urine may also be sent to the laboratory. Another such testing method is by testing the hair or the hair follicle test to find out tresses of drugs that may have been consumed in the last few months. In case the candidate is not having hair on his head, the hair follicle test is done and then this is rather a painful process. The Saliva test is not that a popular method as this has some limitations and can only detect tresses of drugs that have been consumed in the last few days because of its limitations this is not a very frequently used method.