The vestibular system includes the parts of the inner ear and brain that help control balance and eye movements. The type and severity of vestibular disorder symptoms can vary considerably, and be frightening and difficult to describe.
Heroin can be detected in urine for 1-2 days. However, heroin will show up in the urine for longer periods if taken in higher amounts, or if someone is a habitual heroin abuser. Sometimes heroin can linger in the body longer depending on factors like weight or body mass.
Most opiates like morphine, codeine, and heroin are detected up to 2 days after taking the drug in urine, up to 90 days on hair, and 6 hours in blood except for codeine which can be detected up to 12 hours after. NIDA, however, legally prohibits the reporting of the 3 metabolites of hydrocodone.