This product may interfere with certain laboratory tests, possibly causing false test results.

This medication may interfere with certain laboratory tests for urine protein.

Certain other drugs may interfere with laboratory tests for vitamin B12 levels, possibly causing false test results.

Levodopa may interfere with urine tests for sugar and ketones.

This medication may interfere with certain laboratory tests.

This medication may interfere with certain laboratory tests (such as urine screening for opiates), possibly causing false test results.

If infected, their tissues will usually contain antibody that interferes with laboratory tests for either virus or viral antigen.

This medication may interfere with certain laboratory tests (such as stress tests, uric acid levels), possibly causing false test results.

This medication may interfere with certain laboratory tests (urine screening for opiates, blood serum folate/vitamin B12), possibly causing false test results.

This medication may interfere with certain laboratory tests (e.g., some pregnancy tests, blood sugar tests), possibly causing false test results.