Tobramycin is a drug that belongs to the aminoglycoside antibiotics drug class. Tobramycin is derived from the bacterial species known as Streptomyces tenebrarius. Tobramycin is most effective against the gram negative bacteria like Pseudomonas. Therefore, Tobramycin can be used to treat various serious bacterial infections like eye infections, urinary tract infections, and pseudomonas infections. Tobramycin is able to treat these diseases by inhibiting bacterial growth.