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Also reported in: mg/L
Your vancomycin trough level is within the target therapeutic range. The drug concentration is high enough to effectively treat the infection but not so high as to significantly increase kidney toxicity risk.
A critically low vancomycin level is far below the therapeutic range. At this level, there is virtually no antibiotic activity against MRSA or other gram-positive infections. The infection is not being treated effectively, which risks treatment failure and antibiotic resistance.
Contact your doctor immediately. A significant dose increase or dosing interval change is needed urgently. A loading dose may be required.
Vancomycin: {{value}} {{unit}} — critically low (therapeutic: {{low}}–{{high}})Your vancomycin level is below the target therapeutic range. At this level, the drug concentration is too low to reliably kill susceptible bacteria like MRSA. The key measure of efficacy is the AUC/MIC ratio, which correlates with trough levels.
Discuss with your doctor. The dose should be increased or the dosing interval shortened to achieve therapeutic levels. Repeat trough level after dose adjustment.
Vancomycin: {{value}} {{unit}} — subtherapeutic (target: {{low}}–{{high}})Your vancomycin level is at the bottom of or just below the therapeutic range. For less serious infections (e.g., skin and soft tissue), this may be acceptable, but for serious infections (bacteremia, pneumonia, meningitis), a higher trough is needed.
Discuss with your doctor whether a dose adjustment is needed based on the type and severity of your infection.
Vancomycin: {{value}} {{unit}} — borderline low (target: {{low}}–{{high}})Your vancomycin trough level is within the target therapeutic range. The drug concentration is high enough to effectively treat the infection but not so high as to significantly increase kidney toxicity risk.
Continue current dosing regimen. Monitor trough levels periodically (usually every 3–5 days or with changing kidney function).
Vancomycin: {{value}} {{unit}} — within therapeutic range ({{low}}–{{high}})Your vancomycin level is in the ideal therapeutic window, providing effective antimicrobial activity while minimizing the risk of nephrotoxicity.
Continue current dosing. Regular monitoring of kidney function and trough levels should continue.
Vancomycin: {{value}} {{unit}} — at optimal level ({{optimalLow}}–{{optimalHigh}})Your vancomycin level is above the target range but not yet in the toxic range. There is an increased risk of nephrotoxicity (kidney damage), especially with prolonged therapy or in combination with other nephrotoxic drugs.
Discuss dose reduction or extended interval with your doctor. Monitor kidney function (serum creatinine) closely.
Vancomycin: {{value}} {{unit}} — borderline highYour vancomycin level is above the therapeutic range. High vancomycin levels are associated with nephrotoxicity (acute kidney injury). The risk increases with prolonged high troughs, especially >20 µg/mL. Other risk factors include concurrent nephrotoxic medications and pre-existing kidney impairment.
Contact your doctor urgently. The dose should be reduced or held until levels drop into the therapeutic range. Kidney function must be monitored closely.
Vancomycin: {{value}} {{unit}} — supratherapeutic (target: {{low}}–{{high}})A critically high vancomycin level poses a serious risk of acute kidney injury (AKI). At this concentration, drug accumulation in the kidney tubules can cause direct tubular necrosis. Hearing loss (ototoxicity) is also a risk with very large levels.
Hold vancomycin immediately and contact your doctor urgently. Kidney function must be assessed. The drug should be restarted at a lower dose once levels decline into the therapeutic range, and alternative antibiotics may need to be considered.
Vancomycin: {{value}} {{unit}} — critically high (target: {{low}}–{{high}})Upload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.