How long does pseudoephedrine stay in urine?
Emma Martin
Updated on June 09, 2026
Testing for Amphetamines.
| Amphetamine-Type Stimulants | Detection Time |
|---|---|
| 3,4-Methylenedioxymethamphetamine (MDMA) | Up to two days |
| Ephedrine/pseudoephedrine | Up to five days |
.
Similarly one may ask, how long is pseudoephedrine in your urine?
In conclusion, multiple therapeutic dosing of pseudoephedrine or phenylpropanolamine over a 36-h period to healthy subjects produced urine drug concentrations above the drug cut-off values set by the IOC (constituting a doping offence) for as much as 16 h following the final dose.
Also, what is the half life of pseudoephedrine? 8 hours
Considering this, does pseudoephedrine show up on drug screen?
Drugs such as pseudoephedrine, ephedrine, and phenylephrine are commonly used as decongestants in OTC cold and flu medicines or as appetite suppressants. Sympathomimetics like those listed above will not produce a confirmed, positive drug screen.
How long can you take pseudoephedrine?
Pseudoephedrine can be taken for a few days, usually up to 5 to 7 days, for the short-term relief of a stuffy or blocked nose. Is it safe to take for a long time? Decongestants should only be used for a short time, usually less than 10 days. If you take them for longer, you're more likely to get side effects.
Related Question Answers