polymyxin

(redirected from Polymixin)
Also found in: Dictionary, Thesaurus, Medical.

polymyxin

[‚päl·i′mik·sən]
(microbiology)
Any of the basic polypeptide antibiotics produced by certain strains of Bacillus polymyxa.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Antimicrobial agents and medium: Standard (Oxoid) discs of Amikacin (30 [micro]g), Cefoperazone (75 [micro]g), Ceftriaxone (30 [micro]g), Ciprofloxacin (5 [micro]g), Colistin (10 [micro]g), Fosfomycin (50 [micro]g), imipenem (10 [micro]g), Polymixin B (300units), Mueller Hinton Agar (Oxoid UK) and Mueller Hinton broth (Oxoid UK) were used.
Two Bt isolates (MS-SBS- Bt4 and 5) were resistant to kanamycin, ampicillin, tetracyclin and oxytetracyclin and sensitive to polymixin, streptomycin, bacitracin and neomycin (Table II).
Repeated isolation of Pseudomonas aeruginosa isolates resistant to both polymixins and carbapenems from 1 patient.
Then there are others which involve all classes of drugs except the polymixin group of drugs (5).
Furthermore, the addition of polymixin B (5 mg/L) (16) did not alter any of the effects observed with CRP.
Many of the traditional topical ocular agents we've used in the past to treat bacterial conjunctivitis--including those of the aminoglycoside, polymixin B combination, and macrolide classes--are less effective than they once were, thanks to increasing resistance.
The lozenges contain polymixin E (P), tobramycin (T) and amphotericin B (A), which together provide broad spectrum antibacterial and antifungal cover.
Woo and colleagues described the first three cases of Tsukamurella conjunctivitis, all of whom responded to treatment with either polymixin B-neomycin or chloramphenicol eye drops (7).
The products include bacitracin; bacitracin zinc and polymixin B sulfate; gentamicin sulfate, neomycin and polymyxin B sulfates and bacitracin zinc; neomycin and polymyxin B sulfates and dexamethasone; neomycin and polymyxin B sulfates; bacitracin zinc and hydrocortisone acetate; and erythromycin ophthalmic ointments USP.
cereus - agar MYP (Mannitol yolk polymixin agar; Difco), suplementado com 0,1% de Sulfato de Polimixina B (Sigma).
The use of ointments containing polymixin, neomycin and bacitracin during the evenings is also recommended [30].
Currently, lyophilized NYCBOH vaccinia containing calf lymph is mixed with a diluent containing polymixin B, streptomycin, chlortetracycline, and neomycin to a titer of [greater than or equal to] [10.sup.8] pfu/mL.