You could be given a warning or you could be sent to jail. What happens if you fail a drug test on probation in ohio? Why You Should Get in Touch with Personal Injury Attorneys My best advice to a litigant who cannot pass a drug test is to focus on getting off drugs. What happens if you fail a drug test in drug court . On occasion, a judge will reinstate someone, but not usually. If you fail your drug test for the first time, the probation officer would warn you and recommend a rehabilitation program. What happens if you fail out of drug court? Having an employee on the clock who’s under the influence puts everyone else at risk. I've been on the pti program since nov 2009. To save yourself from any trouble, it is advised not to do anything once you are out of jail that could affect your release while you are on bond. Your employer might not promote you or even terminate you if you fail a drug test while on duty. Therefore, while the parent can be denied custod...