Tyrothricin Chemical formula
Synonyms: Tirotricina; Tirotricinas; Tirotrisin; Tyrothricine; Tyrothricinum; Tyrotricin; Tyrotrisiini.
Cyrillic synonym: Тиротрицин.

💊 Chemical information

CAS — 1404-88-2.
ATC — D06AX08; R02AB02; S01AA05.
ATC Vet — QD06AX08; QR02AB02; QS01AA05.


In Eur. and US.

Ph. Eur. 6.2

(Tyrothricin). A mixture of antimicrobial linear and cyclic polypeptides, isolated from the fermentation broth of Bacillus brevis. It consists mainly of gramicidins and tyrocidins; other related compounds may be present in smaller amounts. The potency is 180 to 280 international units/mg, calculated with reference to the dried substance. A white or almost white powder. Practically insoluble in water; soluble in alcohol and in methyl alcohol. Store in airtight containers. Protect from light.

USP 31

(Tyrothricin). An antibacterial substance produced by the growth of Bacillus brevis. It is a mixture consisting chiefly of gramicidin and tyrocidine, the latter being usually present as the hydrochloride. Store in airtight containers.

💊 Adverse Effects and Precautions

Tyrothricin is too toxic to be used systemically; effects that have been reported include hepatic and renal toxicity as well as Stevens-Johnson syndrome. It damages the sensory epithelium of the nose and instances of prolonged loss of smell have occurred after its use as a nasal spray or instillation. Tyrothricin should not be instilled into the nasal cavities or into closed body cavities.

💊 Uses and Administration

Tyrothricin is unsuitable for systemic use. It is active in vitro against many Gram-positive bacteria and has been used either alone or with other antibacterials in the local treatment of infections mainly of the skin and mouth.

💊 Preparations

Proprietary Preparations

Fr.: Codetricine†; Ger.: Ty r os u r ; Gr.: Triciderm; Hong Kong: Tyr os ur†; Ital.: Faringotricina; Hydrotricine; Rinotricina; Port.: Hydrotricine; Turk.: Hydrotricine. Multi-ingredient: Arg.: Algiodent; Aseptobron Caramelos; Bagociletas; Biotaer an Caramelos; Biotaer Gamma†; Biotaer Nebulizable; Biotaer Ultrason Nebulizable†; Bucotricin; Caramelos Antibioticos; Caramelos Antibioticos Bucoangin†; Caramelos Antibioticos Lefmar; Collubiazol; Fanaletas; Filotricin A; Fonergine; Gineseptina†; Oralsone C; Pulmosan Caramelos; Solumerin; Suavisan†; Sulfanoral T; Tavinex; Vagicural; Vagisan; Vagisan Compuesto; Vulnofilin Compuesto†; Austria: Dorithricin; Gingivan; Lemocin; Limexx; Neocones; Tyrothricin comp; Tyrothricin compositum; Belg.: Lemocin; Pantricine†; Tricidine†; Tyro-Drops; Braz.: Amidalin†; Amigdagen; Amigdalol; Amigdamicin†; Anginotricin; Auritricin; Colpagex N; Colpolase; Dermosed†; Gargotan†; Gynax-N; Gyrol†; Lacto Vagin†; Larintil†; Malvatricin; Malvatricin Ginecologico; Malvatricin Pastilhas; Malvatricin Pronto; Malvatricin Solucao para diluir; Malvatricin Spray; Mentozil†; Otovix†; Oturga; Passilin†; Tirotrin†; Trivagel N; Vagitrin-N; Canad.: Antibiotic Cold Sore Ointment; Soropon; Cz.: Dr Rentschler Halstabletten†; Fr.: Broncorinol rhinites†; Codetricine vitamine C†; Collunovar†; Ergix†; Veybirol-Tyrothyricine†; Ger.: Anginomycin†; Dorithricin Limone†; Dorithricin Original; Inspirol Halsschmerztabletten†; Lemocin; Nordathricin N†; Trachisan†; Tyrosur; Gr.: Oulogram; Trachisan; Hong Kong: Deq; Trachisan†; Tyricine; Tyrocaine; Tyrothricin Co; Hung.: Dorithricin; Tyrosur; India: Ty t in ; Indon.: Lemocin; Irl.: Ty ro z et s; Israel: Acnex†; Kalgaron; Lemocin; Rafathricin with Benzocaine; Ital.: Bio-Arscolloid; Deltavagin; Furotricina; Golamixin; Kinogen; Rinocidina; Malaysia: Deq; Trachisan†; Upha Lozenges; Mex.: Angenovag; Port.: Afonina; Mebocaina; Medifon; Mentocaina R; Oralbiotico; Singapore: Beathricin; Deq; Dorithricin; Trachisan; Spain: Anginovag; Bucometasana; Cicatral; Cohortan; Denticelso; Diformiltricina; Gradin Del D Andreu†; Hemodren Compuesto†; Miozets; Neocones; Otosedol Biotico; Pastillas Koki Ment Tiro; Piorlis; Roberfarin; Sedofarin; Viberol Tirotricina; Switz.: Gem; Lemocin; Mebucaine; Mebucasol f; Otothricinol; Rhinothricinol; Sangerol; Solmucaine; Trachisan†; Tyrocombine; Tyroqualine; Tyrothricin; Tyrothricine + Gramicidine; Thai.: Deq; Iwazin; Sigatricin; Trocacin; Troneo†; Turk.: Neolet; UAE: B-Cool; UK: Ty rozets; Venez.: Otan.
Published May 08, 2019.