A member asked:

Why would alprazolam 0.25 taken 1 at bedtime every day not show up on a udt?the only thing ive changed is im now taking zyrtec (cetirizine).please help!

A doctor has provided 1 answer
Dr. Yun Tran answered

Specializes in Family Medicine

Ask your doctor: make sure your doctor orders a urine test that tests specifically for alprazolam. There are different toxicology tests and not all will pick up alprazolam. Many people on chronic benzodiazepines have this problem of testing false negative because they are not tested using the correct method. your doctor may have to contact the lab to find out which to order, and it could be an expensive test.

Answered 11/28/2017

1.5k views

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