Antibiotics suppress normal gut flora, allowing overgrowth of acquired or native Clostridium difficile, with release of toxins that cause mucosal inflammation. Oral metronidazole is used to treat antibiotic-associated colitis (pseudomembranous colitis). This study was designed to determine whether oral metronidazole, as part of preoperative bowel preparation, prevents or decreases incidence of antibiotic-associated colitis after elective colonic and rectal procedures.
To study the efficacy of a 7-day quadruple regimen combining pantoprazole, bismuth, tetracycline and metronidazole as rescue treatment for Helicobacter pylori infection after failure of standard triple therapy.
A total of 800 isolates from patients with dentoalveolar infection (Prevotella species, Fusobacterium species, Porphyromonas species and Peptostreptococcus micros) were tested for their susceptibility to amoxicillin, amoxicillin/clavulanate, cefaclor, cefuroxime, cefcapene, cefdinir, erythromycin, azithromycin, telithromycin, minocycline, levofloxacin, clindamycin, and metronidazole using an agar dilution method.
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Groups 1 and 2 each consisted of 75 consecutive patients. Patients in group 1 were treated with two antibiotics based on antibiotic susceptibility testing; those in group 2 received amoxycillin and clarithromycin for eight days, together with either ranitidine or omeprazole. Eradication rate was assessed in both groups six months after treatment.
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Trifluoromethionine-resistant amoebae were selected in vitro and examined for cross-resistance to antiamoebic drugs, stability of resistance, methionine γ-lyase (MGL) activity, cell adhesion and virulence. Targeted gene silencing was performed to confirm the role of EhMGL.
In cancer patients, FDX is effective treatment for the first episode of CDI after failure of standard therapies and treatment of recurrent CDI. This was interesting given the large number of high-risk patients who continued to receive concomitant antimicrobial therapy, which is common in this immunocompromised patient population.
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Both skin tests and RAST were negative. We also found that the patient tolerated therapeutic doses of espyramicine, aspirin, and propyfenazone. Challenges with Rhodogil, metamizole, and metronidazole elicited immediate rhinoconjunctivitis.
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Diagnosis and eradication of H. pylori infection were assessed by 13C-urea breath test, and by histology when an endoscopic examination was necessary. A total of 171 patients was treated: 91 (47 males, mean age 50+/-3 years) with metronidazole 250 mg q.i.d., amoxicilline 1 gr b.i.d. and PPI standard dose (MAO), and 80 (36 males, mean age 52+/-3.8 years) with tinidazole 500 mg b.i.d., amoxicilline 1 gr b.i.d. and PPI standard dose (TAO) regimen for 7, 10 or 14 days.
Helicobacter pylori eradication with omeprazole, amoxycillin, and metronidazole is both effective and inexpensive. However, eradication rates with different dosages and dosing vary, and data on the impact of resistance are sparse. In this study, three different dosages of omeprazole, amoxycillin, and metronidazole were compared, and the influence of metronidazole resistance on eradication was assessed.