Originally Posted by
substructure
I think you can still use PE to a point. But they check for overuse. Either way, I'd be careful. It would suck to be kicked off the racing course because of cold medicine.
150 micrograms per milliliter in your urine. You would need to know how much you are taking, it's half life, and it's excretion levels. (from my wife who is in the Texas Tech Masters Program for NP)
8.4 EXCRETION
8.4.1 KIDNEY
A) 55% to 75% is excreted unchanged in the urine (USPDI, 1999). Up to 88% of a dose is excreted unchanged in the urine after 36 hours (Bye et al, 1974).
B) Renal excretion is accelerated with acidic urine (USPDI, 1999).
8.5 ELIMINATION HALF-LIFE
8.5.1 PARENT COMPOUND
A) GENERAL
1) 1.9 to 21 hours (urine pH dependent). The half-life was 50 hours in a patient with renal tubular acidosis and persistent alkaline urine (Brater et al, 1980).