Tobramycin
The Tobramycin test measures the level of Tobramycin, an antibiotic used to treat serious infections caused by certain bacteria. Clinicians typically order this test to monitor therapeutic levels of the drug in patients receiving Tobramycin, ensuring that the medication is effective without reaching toxic levels. This test is particularly useful in managing treatment for conditions like cystic fibrosis or severe respiratory infections. The Tobramycin test can help guide dosage adjustments based on individual patient needs, promoting effective treatment outcomes.
Test Essentials
Specimen Required
3 mL blood (Red top). Cannot draw from infusion line.
Test Category
Chemistry
Turnaround Time
Results for the Tobramycin test are typically available within 24–48 hours after sample collection.
Clinical Information
Clinical Significance
Abnormal results from the Tobramycin test can indicate either too low or too high levels of the drug in the body. Low levels may suggest that the antibiotic is not at a sufficient concentration to effectively treat the infection, while high levels could indicate a risk of toxicity, potentially leading to side effects. The diagnostic value of the Tobramycin test lies in its ability to guide safe and effective antibiotic therapy. Always consult a healthcare provider for interpretation of results in the context of your health.
Reference Ranges
Reference ranges for Tobramycin levels can vary based on the laboratory and specific testing methods. Generally, these ranges are established to reflect the concentration of the drug that is effective for treatment while avoiding toxicity. It is important to discuss any results with your healthcare provider, who can interpret them in the context of your individual situation.
Sample Preparation
Before your Tobramycin test, no special preparation is usually required. However, it is essential to inform your healthcare provider about any medications you are currently taking, as some may need to be adjusted prior to the test. If you are on Tobramycin, your doctor may suggest scheduling the test at specific times to accurately measure the medication's level in your blood. Always follow your healthcare provider's instructions for the best results.
Related Tests
Code: 0212
Code: 0230
Code: P0204
Frequently Asked Questions
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