tacrolimus
An immunosuppressive drug obtained from Streptomyces tsukubaensis used mainly after organ transplantation.

tacrolymus
Misspelling of tacrolimus.

talampicillin
A beta-lactam antibiotic of the penicillin family.

tallysomycin
An antitumor antibiotic related to bleomycin

tambromycin
An antibiotic isolated from soil bacteria

tartrolon
Any of a group of boronated antibiotics present in a myxobacterium of the genus Sorangium

tartrolons
plural of tartrolon

tautomycins
plural of tautomycin

taxodone
A diterpenoid found in Taxodium distichum (bald cypress), among others, that exhibits anticancer, antibacterial, antioxidant, antifungal, insecticide, and antifeedant properties.

tebipenem
A particular carbapenem antibiotic.

teicoplanin
Any of several glycopeptide antibiotics used against Gram-positive bacteria

teicoplanins
plural of teicoplanin

teixobactin
An antibiotic discovered in a screen of uncultured bacteria (Eleftheria terrae) grown in situ in soil, thought to be unlikely to lead to the development of resistance in pathogens.

telithromycin
The first ketolide antibiotic to enter clinical use, a semisynthetic erythromycin derivative used to treat mild to moderate respiratory infections.

teloxantrone
An anthrapyrazole antibiotic.

temafloxacin
A fluoroquinolone antibiotic drug.

temocillin
A particular carboxypenicillin.

termicin
An antifungal peptide which also exhibits weak antibacterial activity

termicins
plural of termicin

tet
Alternative form of teth (“Semitic letter”).

tetarimycin
A particular tetracyclic antibiotic.

tetracenomycin
Any of a group of anthracycline antibiotics produced by Streptomyces bacteria

tetracenomycins
plural of tetracenomycin

tetracyclin
Alternative spelling of tetracycline.

tetracycline
A yellow crystalline broad-spectrum antibiotic C₂₂H₂₄N₂O₈ produced by streptomyces or synthetically.
Any of a large group of antibiotics with the same general structure derived from tetracene with many hydroxyl and other groups.

tetracyclines
plural of tetracycline

tetracyclins
plural of tetracyclin

tetrodecamycin
Any of a group of antibiotics that have a tetronate structure

tetrodecamycins
plural of tetrodecamycin

tetromadurin
A polyether tetronate ionophore antibiotic produced by the bacterium Actinomadura verrucosospora

tetronasin
An antibiotic.

tetronomycin
A polycyclic ionophoric polyether antibiotic isolated from Streptomyces.

tets
plural of tet

thermorubin
An antibiotic found in the actinomycete Thermoactinomyces antibioticus.

thermozymocidin
myriocin

thiambutosine
An antibiotic.

thiamphenicol
An antibiotic that is a methyl-sulfonyl analogue of chloramphenicol

thiazoloquinolone
A bicyclic compound composed of a thiazole ring fused to one of quinolone; any derivative of this, some of which are antibiotics

thiazoloquinolones
plural of thiazoloquinolone

thienamycin
One of the most potent naturally-produced antibiotics known, first obtained from Streptomyces cattleya in 1976.

thienamycins
plural of thienamycin

thimerosal
US standard form of thiomersal.

thiocillin
A macrocyclic thiazole peptide that has bacteriocidal activity

thiocillins
plural of thiocillin

thiolactomycin
A thiolactone antibiotic active against mycobacteria

thiolutin
A sulfur-containing antibiotic that is a potent inhibitor of bacterial and yeast RNA polymerases.

thiomersal
A compound, chemical formula C₉H₉HgNaO₂S, used as an antiseptic and antifungal agent, especially in vaccines.

thiopeptide
Any of a family of antibiotics composed of a ring structure containing highly modified amino acids and a linear peptide containing dehydroalanines extending from the ring at a pyridyl group

thiopeptides
plural of thiopeptide

thiopeptin
Any of a group of peptide antibiotics, produced by Streptomyces, added to animal feed

thiopeptins
plural of thiopeptin

thiostrepton
A cyclic oligopeptide antibiotic, derived from several strains of Streptomyces bacteria.

thiostreptone
Alternative form of thiostrepton.

thiotropocin
The antibiotic 8-sulfanylcyclohepta[c]oxathiole-3,4-dione

thioviridamide
Any of a group of peptide antibiotics (that contain several thioamide bonds) produced by Streptomyces olivoviridis

thioviridamides
plural of thioviridamide

thujaplicin
Any of the isopropyl cycloheptatrienolones, a series of tropolone-related chemical substances found in the softwood of the trees of the Cupressaceae family, and known for their antibacterial, antifungal, and antioxidant properties.

thujaplicins
plural of thujaplicin

tiamulin
A pleuromutilin antibiotic drug used in veterinary medicine.

ticarcillin
A semisynthetic antibiotic used especially in the form of its disodium salt C₁₅H₁₄N₂Na₂O₆S₂.

tigecyclin
Alternative form of tigecycline.

tigecycline
A glycylcycline antibiotic.

tigemonam
The monobactam antibiotic 2-[[1-(2-Amino-1,3-thiazol-4-yl)- 2-[[(3S)-2,2-dimethyl-4-oxo-1- sulfooxyazetidin-3-yl]amino]-2- oxoethylidene]amino]oxyacetic acid.

tigercycline
Misspelling of tigecycline.

tilimicosin
Alternative form of tilmicosin.

tilmicosin
A macrolide antibiotic used in veterinary medicine.

tobramycin
A colorless water-soluble aminoglycoside antibiotic C₁₈H₃₇N₅O₉, isolated from a soil bacterium Streptoalloteichus tenebrarius and used especially against Gram-negative bacteria. When used in combination with loteprednol to treat inflammatory conditions of the eye, tobramycin is marketed under the trademark Zylet.

tomopenem
A beta-lactam antibiotic.

topixantrone
A particular anthrapyrazole antibiotic.

tosufloxacin
A fluoroquinolone antibiotic.

toxoflavin
A toxic bicyclic heterocycle 1,6-dimethylpyrimido[5,4-e][1,2,4]triazine-5,7(1H,6H)-dione that has antibiotic properties

toyocamycin
A nucleoside-type antibiotic, 4-aminopyrrolo[2,3-d]pyrimidine-5-carbonitrile 7-(β-D-ribofuranoside), analogue of adenosine, isolated from a species of Streptomyces

triacetyloleandomycin
Troleandomycin.

trichosporin
An antibiotic oligopeptide produced by some fungi

trichostain
Misspelling of trichostatin.

trichostatin
Any of a family of antifungal antibiotics that are histone deacetylase inhibitors

trichostatins
plural of trichostatin

triclosan
A widely used wide-spectrum antibacterial and antifungal agent, with molecular formula C₁₂H₇Cl₃O₂, which works by disrupting the growth of microbes, rather than actively killing them.

trimethoprim
A synthetic antibiotic used to treat malaria and respiratory and urinary infections (usually in conjunction with a sulphonamide).

trimethoprime
Alternative form of trimethoprim.

trimethoprims
plural of trimethoprim

tripropeptin
Any of a group of cyclic lipodepsipeptide antibiotics

tripropeptins
plural of tripropeptin

troleandomycin
A macrolide antibiotic.

trovafloxacin
A broad-spectrum antibiotic that inhibits the uncoiling of supercoiled DNA in various bacteria by blocking the activity of DNA gyrase and topoisomerase IV.

tuberactinomycin
Any of a group of nonribosomal peptide antibiotics exhibiting antituberculosis properties.

tuberactinomycins
plural of tuberactinomycin

tulathromycin
A macrolide antibiotic used in veterinary medicine.

turbomycin
Any of a group of antibiotics, produced by soil microorganisms, that were isolated using metagenomics

turbomycins
plural of turbomycin

tylosin
A veterinary antibiotic obtained from the actinomycete Streptomyces fradiae.

tylosins
plural of tylosin

tyrocidin
Alternative form of tyrocidine.

tyrocidine
A polypeptide antibiotic produced by bacteria in the soil.

tyrocidines
plural of tyrocidine

tyrocidins
plural of tyrocidin

tyrothricin
A mixture of the antibiotics tyrocidine and gramicidin, used topically to treat gram-positive bacterial infections.

tyrothricine
Alternative spelling of tyrothricin.

tyrothricins
plural of tyrothricin

urdamycin
Any of a group of angucycline antibiotics present in Streptomyces fradiae.

urdamycins
plural of urdamycin