Kee Pharma manufactures Gentamicin Antibiotic for Bacterial Infection. Kee Pharma is an ISO 9002 awarded company. The Gentamicin Antibiotic for Bacterial Infection is absorbed very poorly from the gastrointestinal tract; in fact, aminoglycosides taken orally are excreted virtually unchanged and undiminished in quantity. The typical routes of administration are by intramuscular [injection into a muscle] or intravenous injection [injection into a vein], irrigation, topical skin application, or inhalation.