you will test dirty for barbitutes.
Yes
No, antibiotics will not effect the result of a blood test, but you should always inform the person performing the test what antibiotics you are taking.
They can if you also consume cat urine. Cat urine can sometimes be enough but antibiotics help make doubly sure.
Antibiotics do not affect the accuracy of a pregnancy test. Pregnancy test results are quite specific.
As little as 25 milliliters of marijuana can cause a dirty test.
To a certain extent yes.The post antibiotics Widal Test will have Low titers of agglutinins.Hence the test may be reported as False Negative.
no
can ampitriptyline give you a dirty urine
any cold pill that contains pseudophedrine hydrochloride
It depends on what sort of test you're taking. Antibiotics do not block drug tests, for example. Please be more specific in your question.
Yes.