rifamycin

[rif″ah-mi´sin]

any of a family of antibiotics biosynthesized by a strain of Streptomyces mediterranei, effective against a broad spectrum of bacteria. The five components are designated A, B, C, D, and E; rifamycins O, S, and SV are derivatives of the B component, and AG and X are derivatives of the O component. Used for the initial treatment and retreatment of pulmonary tuberculosis and for prevention of meningoccal infections in close contacts of patients with Neisseria meningitidis infections.

rifamycin

(rĭf′ə-mī′sĭn)

Any of a group of antibiotics originally isolated from a strain of the soil microorganism Streptomyces mediterranei, used in the United States to treat tuberculosis and prevent meningococcal infections, and used in other countries to treat leprosy and other bacterial diseases.

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References in periodicals archive

In the present study, we aimed to investigate the effects of topical rifamycin SV irrigation on epidural fibrosis after laminectomy in a rat model.

Effect of topical rifamycin application on epidural fibrosis in rats

The agency has approved Aemcolo (rifamycin), an antibacterial drug indicated for the treatment of adult patients with travellers diarrhoea caused by noninvasive strains of Escherichia coli (E.

The US FDA approves the new drug Aemcolo to treat travellers diarrhoea

Concerning patients with HIV infection, information about interactions between specific antimycobacterial agents, including rifamycins (e.g., rifampin, rifabutin, and rifapentine) and antiretroviral agents, is available in the U.S.

Update of Recommendations for Use of Once-Weekly Isoniazid-Rifapentine Regimen to Treat Latent Mycobacterium tuberculosis Infection

Rifaximin is a semisynthetic derivative of rifamycin for the treatment of intestinal bacterial infections.

Current Status of the Third-Line Helicobacter pylori Eradication

DuPont, "Rifaximin: a nonabsorbable rifamycin antibiotic for use in nonsystemic gastrointestinal infections," Expert Review of Anti-infective Therapy, vol.

Primary Prophylaxis to Prevent the Development of Hepatic Encephalopathy in Cirrhotic Patients with Acute Variceal Bleeding

Success with rifamycin combination therapy has also been reported [7, 9].

S. lugdunensis Native-Joint Septic Arthritis: Case Report and Review of the Literature

Rifamycins have been obtained from Streptomyces mediterranei, and five antibiotics which are termed as rifamycin A, B, C, D, and E have been produced from them.

Possible Ototoxic Effects of Topical Rifamycin Application: An Electrophysiological and Ultrastructural Study

"Rifamycin was noninferior to ciprofloxacin on every endpoint in this trial," Robert Steffen, MD, said at the annual Digestive Disease Week[R].

Rifamycin matches ciprofloxacin's efficacy in travelers' diarrhea with less risk of antibiotic resistance

Scott-A Str was developed with resistance to streptomycin, while OSY-8578 Rf,Nm was made resistant to both rifamycin b and neomycin.

Several microbial strains increase risk of contamination

aureus isolate(s) from each positive nasal swab were tested for susceptibility to the following 12 classes of antibiotics: aminoglycosides, beta-lactams, cephalosporins, fluoroquinolones, lincosamides, macrolides, oxazolidinones, rifamycin, streptogramins, sulfonamide, nitrofuran, and tetracyclines (see Table S1).

The prevalence of antibiotic-resistant Staphylococcus aureus nasal carriage among industrial hog operation workers, community residents, and children living in their households: North Carolina, USA