Phenobarbital urine analysis (Phenobarbital, Urine) is a laboratory test used to detect the presence of phenobarbital in a urine sample. Phenobarbital is a sedative and anticonvulsant medication commonly used to treat epilepsy and some anxiety disorders. This test is performed to determine whether an individual has taken phenobarbital and can help assess treatment compliance or detect any unauthorized use. A urine sample is collected and analyzed using precise techniques such as gas chromatography or immunoassay to ensure reliable results. The findings can be important in various medical contexts, such as emergencies or routine monitoring of patients receiving phenobarbital, contributing to better management of therapy and ensuring patient safety.