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The main ones that come to mind are your typical psychedelics: DMT, psilocybin mushrooms, LSD, mescaline etc. Lots of pharmaseuticals don't show up on tests as well (for obvious reasons). Obviously when looking at medications, opiates and drugs similar to illegal ones will show up on tests.

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9y ago
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13y ago

If its a regular urine test that you buy from Walmart you can probably do prescription drugs..

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11y ago

Shrooms and LSD

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Q: What illegal drugs do not show in tests?
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Related questions

Do illegal drugs show up in blood tests?

Yes, though it depends on what test you are given and what drugs are actually being tested for.


Do illegal drugs show up in a blood test taken at a standard medical?

No. Drugs require their own tests, which cost money, and will only be tested for if that is the purpose of testing.


Does the military test for drugs?

The military tests for illegal and controlled substances.


What all drugs show up as?

illegal


Does Dextropropoxyphene show up in a urine analysis test?

Yes I believe it does as it's in medicines as well as illegal drugs proproxophene shows up in tests and it's of the same family...


Will chew tobacco show up in a blood or urine test?

Typically urine tests are used to detect minuscule amounts of metabolites from illegal drugs, however there are tests for nicotine use. Nicotine is a drug and is no different to those that are illegal.


Can an employer lie and say and say an employee was using and taking drugs?

They can, but this is illegal, you can take it to court if they say this, you could take blood tests, (this is only if you haven't taken any illegal drugs), you can take prescribed drugs.


Will Ritalin make me fail a urine drug test?

No, if it is a regular urine drug test then Ritalin should have no effect on the result as it is prescribed for many circumstances, however if specifically tested for Ritalin will show up in drug tests.


If your doctor orders a blood test will it show illegal drugs?

no


What prescription drugs show on drug tests?

all the good ones...


What drugs show up as amphetamine in drug tests?

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Why do potential employers make you take blood tests?

To see whether you have taken illegal drugs recently.