Substances That Can Cause You to Fail a Drug Test

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There are a variety of substances that can show up on a drug test and cause you to fail. These substances include:

  • Alcohol
  • Amphetamines
  • Barbiturates
  • Benzodiazepines
  • Cocaine & Marijuana

How Much of a Given Substance Needs to Be in Your System to Cause a Positive Drug Test?

The amount of a given substance that needs to be in your system to cause a positive drug test depends on the drug in question and the type of test being used. For example, a urine test for marijuana may be positive for up to 30 days after use, while a hair follicle test may be positive for up to 90 days. In addition, the type of drug test being used can also affect how long a substance will stay in your system and how much of it is needed to cause a positive test. For example, a urine test is more likely to be positive for alcohol use than a hair follicle test.

Here, what substances causes you to fail a drug test. For example, amphetamines, barbiturates, benzodiazepines, tricyclic antidepressants, and propoxyphene can all be detected on a drug test. However, it is important to note that many prescription drugs will not cause you to fail a drug test. For example, most painkillers, such as oxycodone and hydrocodone, will not show up on a drug test. Also, many over-the-counter medications, such as ibuprofen and pseudoephedrine, will not cause you to fail a drug test.

Some supplements, such as those containing Creatine, can cause your body to produce false-positive results on a drug test. Creatine is a popular supplement among athletes and bodybuilders and is also widely available in over-the-counter products for vitamins and minerals. Creatine is commonly used to increase muscle mass, improve performance, and increase energy levels. However, the supplement can cause false-positive results on a drug test, which may result in a person being falsely accused of using illegal substances.

Creatine is not an illegal substance and is not listed as a banned substance by most major athletic organizations. However, the supplement can cause false-positive results on drug tests for amphetamines, methamphetamines, and MDMA (ecstasy). In some cases, a false-positive result may result in a person being banned from participating in their chosen sport.