Till how many days would 2 tablets of a cold tablet having Phenylephrine HCL 10 mg cause false positive?

Phenylephrine HCl is known to potentially cause false positives for amphetamines on drug tests. Generally, the substance may remain detectable in the body for a few days after ingestion, but the exact duration can vary based on factors like metabolism, dosage, and the individual's health. For two tablets, false positives could potentially occur for up to 2-3 days after consumption. However, it's essential to consult with a healthcare professional for more personalized information.