1) Antibiotic 2) Antibiotic drug 3) Viocin 1) Viocin 
Viomycin is a member of the tuberactinomycin family, a group of nonribosomal peptide antibiotics exhibiting anti-tuberculosis properties. The tuberactinomycin family is an essential component in the drug cocktail currently used to fight infections of Mycobacterium tuberculosis. Viomycin was the first member of the tuberactinomycins to be isolated ...
A rather toxic antibiotic produced by the bacterium Streptomycespuniceus that, because it can cause nervous system and kidney damage, is only used as a last-ditch treatment for antibiotic-resistant tuberculosis. ... (09 Oct 1997) ... 
[n] - a basic polypeptide antibiotic (trade name Viocin) administered intramuscularly (along with other drugs) in the treatment of tuberculosis
Viocin noun a basic polypeptide antibiotic (trade name Viocin) administered intramuscularly (along with other drugs) in the treatment of tuberculosis