Profile: X-Gen Pharmaceuticals Inc is a generic drug company specializing in the production and distribution of niche generic pharmaceutical products. We offer a wide range of antibiotic dosage forms, including injectables, orals, inhalants & powders for prescription compounding. Our injectables include acetazolamide, amphotericin B, bacitracin, colistimethate, formepizole, liothyronine sodium, polymyxin B and streptomycin injection. We offer Nebcin® tobramycin injection. Each vial contains tobramycin sulfate equivalent to 1200 mg of tobramycin. This solution should be kept in a refrigerator and used within 96 hours. If kept at room temperature, the solution should be used within 24 hours.