siomycins
plural of siomycin

sisomicin
An aminoglycoside antibiotic, (2R,3R,4R,5R)-2-{[(1S,2S,3R,4S,6R)-4,6-diamino-3-{[(2S,3R)-3-amino-6-(aminomethyl)-3,4-dihydro-2H-pyran-2-yl]oxy}-2-hydroxycyclohexyl]oxy}-5-methyl-4-(methylamino)oxane-3,5-diol.

sitafloxacin
A fluoroquinolone antibiotic.

skyllamycin
Either of a pair of cyclodepsipeptides that are produced by bacteria and fungi and are pharmaceutically used as antibacterials, immunosuppressives, cytostatics and antihelmintics.

skyllamycins
plural of skyllamycin

solithromycin
A fluoroketolide antibiotic.

sorbicillin
The sorbicillinoid 2E,4E)-1-(2,4-dihydroxy-3,5-dimethylphenyl)hexa-2,4-dien-1-one

spafloxacin
Misspelling of sparfloxacin.

sparfloxacin
A particular fluoroquinolone antibiotic.

specinomycin
Misspelling of spectinomycin.

spectinomycin
An aminocyclitol antibiotic produced by the bacterium Streptomyces spectabilis.

spectinomycins
plural of spectinomycin

spiramycin
A macrolide antibiotic used to treat toxoplasmosis.

spiramycins
plural of spiramycin

spirotetronate
Any of a family of antibiotic polycyclic compounds characterized by a tetronate unit joined by a single atom to a cyclohexene ring.

spirotetronates
plural of spirotetronate

squalamine
A broad-spectrum antibiotic derived from the livers of dogfish

stambomycin
Any of a group of polyketide macrolide antibiotics produced by Streptomyces ambofaciens

stambomycins
plural of stambomycin

staphyloferrin
Any of a class of siderophore antibiotics produced by Staphylococcus aureus

staphyloferrins
plural of staphyloferrin

stenothricin
A particular peptide antibiotic found in some Streptomyces bacteria

stevastelin
Any of a family of depsipeptide antibiotics isolated from penicillium fungi

stevastelins
plural of stevastelin

streptamycin
Misspelling of streptomycin.

streptin
A peptide antibiotic obtained from a genus of Streptomyces

streptococcin
Any of a family of antibiotics produced by various strains of Streptococcus

streptococcins
plural of streptococcin

streptogramin
Any member of a class of antibiotics that are effective in the treatment of vancomycin-resistant bacteria.

streptogramins
plural of streptogramin

streptolydigin
A particular antibiotic.

streptomonomicin
A particular lasso peptide, found in a halophilic actinomycete, that has antibiotic activity

streptomyces
Any of several bacteria, of the genus Streptomyces, found in soil, several of which produce antibiotics.

streptomycin
An aminoglycoside and bactericidal antibiotic C₂₁H₃₉N₇O₁₂ that is produced by a soil actinomycete (Streptomyces griseus), is active against many bacteria, and is administered via intramuscular injection especially in the treatment of infections by gram-negative bacteria. It was the first drug to be successful against tuberculosis but is now chiefly used with other drugs because of its toxic side effects.

streptomycine
Alternative form of streptomycin.

streptomycins
plural of streptomycin

streptonigrin
A particular antibiotic with anticancer activity.

streptonivicin
novobiocin

streptorubin
Any of a group of antibiotics related to prodiginine

streptorubins
plural of streptorubin

streptovaricin
Any of a group of structurally-related macrolide antibiotics of the ansamycin class.

streptovaricins
plural of streptovaricin

subtilomycin
A lantibiotic present in Bacillus subtilis

sulbactam
A beta-lactamase inhibitor that is usually administered in the form of its sodium salt C₈H₁₀NNaO₅S in combination with a beta-lactam antibiotic (as ampicillin).

sulbactame
Alternative form of sulbactam.

sulbenicillin
A penicillin antibiotic.

sulfabenzamide
An antibacterial and antimicrobial drug.

sulfacetamide
A sulfonamide antibiotic.
The amide of sulfacetic acid.

sulfacitine
Alternative form of sulfacytine.

sulfacytine
A short-acting sulfonamide antibiotic.

sulfadiazene
Misspelling of sulfadiazine.

sulfadiazine
A sulfonamide antibiotic that works by halting the production of folic acid inside the bacterial cell, commonly used to treat meningococcal meningitis, toxoplasmosis, and urinary tract infections.

sulfadiazines
plural of sulfadiazine

sulfadimethoxine
A sulfonamide antibacterial derivative of sulfadiazine

sulfadimethoxines
plural of sulfadimethoxine

sulfadimidine
A particular sulfonamide antibacterial agent

sulfafurazole
A sulfonamide antibacterial with an oxazole substituent, having antibiotic activity against a wide range of Gram-negative and Gram-positive organisms.

sulfalene
A sulfonamide antibacterial used for the treatment of chronic bronchitis, urinary tract infections, and malaria.

sulfamazone
A sulfonamide antibiotic with antipyretic properties.

sulfamerazine
A sulfonamide antibacterial.

sulfamethizole
A sulfonamide antibiotic.

sulfamethoxazole
An antibacterial sulfonamide C₁₀H₁₁N₃O3S used alone or in combination with trimethoprim (as in the treatment of urinary tract infections or acute otitis media).

sulfamethoxydiazine
Alternative form of sulfametoxydiazine.

sulfamethoxypyrazine
A particular sulfonamide antibiotic

sulfamethoxypyridazine
A sulfonamide antibacterial drug.

sulfametomidine
A sulfonamide antibacterial.

sulfametoxydiazine
A long-acting sulfonamide antibacterial, used as a leprostatic agent and in the treatment of urinary tract infections.

sulfametrole
A sulfonamide antibacterial.

sulfamoxole
A fluoroquinolone antibacterial.

sulfanilamide
Any of a class of amino substituted aromatic sulfonamides that are used as antifungal antibiotics; but especially the parent compound 4-aminobenzenesulfonamide

sulfanilamides
plural of sulfanilamide

sulfaperin
A sulfonamide antibacterial.

sulfaphenazol
Alternative form of sulfaphenazole.

sulfaphenazole
A sulfonamide antibacterial.

sulfapyridine
A particular antibacterial sulfonamide.

sulfasalazine
A sulfonamide antibiotic used in the treatment of inflammatory bowel disease (including ulcerative colitis and Crohn's disease) and several types of inflammatory arthritis (e.g. rheumatoid arthritis).

sulfasalazines
plural of sulfasalazine

sulfathiourea
A sulfonamide antibacterial.

sulfazalazine
Alternative form of sulfasalazine.

sulfonamide
Any amide of a sulfonic acid RS(=O)₂NR'₂
Any of a group of antibiotics; a sulfa drug

sulfonamides
plural of sulfonamide

sulopenem
A beta-lactam antibiotic.

sulphacetamide
Alternative form of sulfacetamide.

sulphadiazine
UK spelling of sulfadiazine.

sulphadimidine
Alternative spelling of sulfadimidine.

sulphamethoxazole
Alternative spelling of sulfamethoxazole.

sulphamethoxydiazine
Alternative form of sulfametoxydiazine.

sulphamethoxypyridazine
Alternative form of sulfamethoxypyridazine.

sulphanilamide
The amide of sulphanilic acid, used to treat streptococcal infections; the parent compound of the sulphonamides.

sulphapyridine
Alternative spelling of sulfapyridine.

sulphasalazine
Alternative form of sulfasalazine.

sulphonamide
Alternative spelling of sulfonamide.

sultamicillin
An oral form of the antibiotic combination ampicillin/sulbactam.

sultriecin
An antibiotic obtained from Streptomyces roseiscleroticus.

superbug
A strain of bacteria that is resistant to many antibiotics (e.g., MDR, XDR).
Any pathogen resistant to many, even all, of the biocides or other agents used to treat similar pathogens.
An invasive insect, Bemisia tabaci, that is a major pest of vegetable crops, both directly and as a virus vector.

superbugs
plural of superbug

suprainfection
Infection acquired as a consequence of disruption of the normal microbiome, secondary to antibiotic use.

suprainfections
plural of suprainfection

surfactin
A bacterial cyclic lipopeptide that is a powerful surfactant, sometimes used as an antibiotic.

surfactins
plural of surfactin

sutezolid
An oxazolidinone antibiotic currently in development as a treatment for drug-resistant tuberculosis.

syringomycin
Any of a class of lipodepsinonapeptide molecules secreted by the plant pathogen Pseudomonas syringae.

syringomycins
plural of syringomycin