Answer: Depends on what drug you took, for example benzodiazepines (Ativan, Klonopin, Xanax, Valium ect..) WILL show up on a basic drug screen. I recommend asking what they are testing for so then you know in advance, the basics include THC, Benzodiazepines, Opiates (percocets, heroin, morphine) and cocaine.
Answer: A class of drug is a group of chemicals that have similar specific or general effects on the human body when consumed (whether through ingestion, inhalation, intravenous injection, and several other ways). There are many different classifications of drugs. Some include hallucinogens, opiates, steroids, NSAIDs, stimulants, psychotropics and depressants.
Answer: A class 2 prescription drug is one considered to have a high risk of abuse or dependency. There is also a market for the illegal sale of some of the drugs that fall into this category. For this reason, the prescribing doctor is required to monitor the prescription carefully. It must be verified and approved by the doctor on a monthly basis and is not eligible for refill in a 90 day quantity as other medicines are. One example of a class 2 drug would be Hydrocodone.
There is no known reliable and safe way to flush any illicit drug from your system so that you can pass a drug test. All of the so called ways that you often see advertised are dangerous and can actually be detected as an attempt to subvert the test - such attempt counting as a positive result. Bottom line - see the first answer.
Answer: I used a cleanser and had not done any meth in 5 days and still tested positive. I also did another test in which I used a cleanser and failed after not smoking for a week. They were both urinalysis tests.