any member of the subphylum Crustacea (phylum Arthropoda), a group of invertebrate animals consisting of some 45,000 species distributed worldwide. Crabs, lobsters, shrimps, and wood lice are among the best-known crustaceans, but the group also includes an enormous variety of other forms without popular names.
It is thought that infrequent, low-dose users may test positive for Xanax within urine for up to 4 days post-ingestion. Frequent, high-dose users of the drug may test positive for Xanax after a full week post-ingestion via a urinalysis. Results from a urinalysis can be confirmed with technology such as GC/MS.
A single 0.5 mg dose of Xanax stays in your system for 3 to 5 days. But the longer period of taking Xanax, and the higher the dosages, the longer it will take your system to get rid of traces of Xanax.You may sometimes need a month or more to get yourself quite clear of the medication.hat is, after this length of time, one half of the taken dose is still present in your system. After another 6 to 12 hours, a half of this half is still present, and so on. How long Xanax will stay in your system cannot be predicted for sure. It depends on the system, different people respond in different ways.