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.
Depends on the type of test. Hair follicle tests are bad-most drugs can be detected in there for a long time afterward. For standard urine tests, heroin comes in at the longest for opiates, with the ability to be detected 4 days after use. Other than that, you should be pretty safe.