Rifampin, a useful drug for nonmycobacterial infections

J J Vesely1, F D Pien, B C Pien

  • 1Department of Medicine, University of Hawaii, John Burns School of Medicine, and Straub Clinic and Hospital, Honolulu, USA.

Pharmacotherapy
|April 17, 1998
PubMed

Insights

Rifampin demonstrates broad-spectrum efficacy against numerous bacteria, including drug-resistant strains. Its excellent tissue penetration and safety profile make it valuable for treating various infections, often when other antibiotics fail.

Area of Science:

  • Microbiology
  • Pharmacology
  • Infectious Diseases

Background:

  • Rifampin is an antibiotic with established clinical efficacy against a wide range of bacterial pathogens.
  • Its utility extends to infections caused by organisms such as Staphylococcus aureus, Legionella pneumophila, and Neisseria meningitidis.

Purpose of the Study:

  • To highlight the broad spectrum of activity and clinical utility of Rifampin.
  • To emphasize its effectiveness against both common and resistant bacterial strains.
  • To underscore its value in combination therapy for challenging infections.

Main Methods:

  • Review of clinical efficacy data for Rifampin against various bacterial species.
  • In vitro activity assessment against antibiotic-resistant pathogens.
  • Evaluation of pharmacokinetic properties, including tissue penetration.
  • Analysis of safety and side effect profiles.

Main Results:

  • Rifampin exhibits clinical efficacy against Staphylococcus aureus, Legionella pneumophila, group A Streptococcus, Brucella sp, Haemophilus influenzae, and Neisseria meningitidis.
  • In vitro studies show activity against penicillin-resistant Streptococcus pneumoniae, Neisseria gonorrhoeae, Chlamydia trachomatis, Haemophilus ducreyi, and gram-negative rods.
  • The drug is characterized by broad-spectrum activity, excellent tissue penetration, and a low side effect profile.

Conclusions:

  • Rifampin is a valuable therapeutic agent for diverse bacterial infections due to its wide range of activity and favorable safety.
  • Its excellent tissue penetration enhances its effectiveness in treating infections at various body sites.
  • Rifampin can be a crucial component in combination antibiotic regimens when standard treatments are insufficient.

Related Concept Videos

Combined Effects of Drugs: Synergism01:27

Combined Effects of Drugs: Synergism

Synergism is a useful mechanism where combining two or more drugs is more effective than each constituent used alone. Such combinations are also called supra-additive interactions. The drugs collectively enhance the final therapeutic effect by acting on different targets. Another advantage is that the low dose of each constituent drug is sufficient to achieve the desired effect. This helps reduce the duration of therapy and lower the adverse effects of these drugs.
Such synergistic combinations...
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...
Inhibitors of Bacterial Protein Synthesis01:25

Inhibitors of Bacterial Protein Synthesis

Aminoglycosides constitute a highly potent class of bactericidal antibiotics that exert their antimicrobial effects by targeting the bacterial ribosome, specifically disrupting protein synthesis. These polycationic molecules consist of amino-modified sugars linked via glycosidic bonds to an aminocyclitol core such as 2-deoxystreptamine or streptamine. Their strong positive charges facilitate tight binding to the negatively charged phosphate backbone of ribosomal RNA (rRNA), primarily at the 16S...
Inhibitors of Bacterial DNA Synthesis01:28

Inhibitors of Bacterial DNA Synthesis

Bacterial pathogens depend on precise and efficient DNA replication to sustain infection. Two type II topoisomerases—DNA gyrase and topoisomerase IV—are critical to this process, as they resolve DNA supercoiling and unlink chromosomes during replication. Fluoroquinolones, synthetic derivatives of quinolones, exploit this mechanism by stabilizing the transient DNA–enzyme cleavage complex, preventing strand religation, and causing lethal double-strand breaks. These antibiotics are selectively...
Inhibitors of Viral Protein Synthesis01:30

Inhibitors of Viral Protein Synthesis

Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
Anthelminthic Agents01:15

Anthelminthic Agents

Anthelmintic drugs differ significantly from antiparasitic therapies targeting protozoa, primarily due to differences in parasite biology. Whereas most protozoal treatments act on proliferating cells, anthelmintics are typically directed against mature, nonproliferative helminths. The therapeutic approach considers the helminth's reliance on neuromuscular coordination, glucose metabolism, and microtubular integrity for survival, reproduction, and localization within the host. Most anthelmintics...