A member asked:

How would my urine culture become contaminated with pseudomonas. the midwife thinks is contaminated because it's less then 20,000 colonies.

7 doctors weighed in across 2 answers

Bacteria : Bacteria is everywhere. Pseudomonas is not normal body flora but can be found as close to you as your gym shoes. Typically >100,000 colonies suggest infection but symptoms and exam are definitely taken into account when deciding to treat. If it doesn't make sense repeat the test with clean catch urine for comfirmation.

Answered 4/24/2017

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Dr. Robert Bates jr. answered

Specializes in Critical Care

Pretty difficult: I suggest a repeat sample using clean catch instructions.

Answered 7/21/2014

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