Inclusion Criteria:

• * At least 18 years of age, woman, pre-menopausal, non-pregnant with clinical signs of urinary tract infection and nitrite positive urine.

Exclusion Criteria:

• * Contraindications include hypersensitivity to gentamicin or other aminoglycosides.
• * Patients younger than 18 years of age.
• * Pregnant or post-menopausal patients.
• * Patients without symptoms of UTI, nitrite negative urine, or any patient with working diagnosis of complicated UTI such as pyelonephritis or any patient catheterized.
• * ANY history of pre-existing renal impairment.
• * Patient that has any listed or reports taking ANY nephrotoxic or wit drug-drug interaction medication in the past 7 days (see Appendix 5).
• * ANY history of hearing loss, tinnitus, or vertigo.
• * ANY patient that has received general anesthesia or neuromuscular blockade in past 7 days.
• * Patients with ANY history of neuromuscular disorders including: myasthenia gravis, amyotrophic lateral sclerosis, muscular dystrophy, botulism, congenital myasthenic syndromes, congenital myopathies, myositis, Lambert-Eaton syndrome, mitochondrial myopathy, myotonic dystrophy, neuromyotonia, or peripheral neuropathy.
• * Patients with ANY history of thrombocytopenia.
• * Patient that has any listed or reports taking ANY anticoagulants in the past 7 days.