Narrow spectrum antibiotics are used for the specific infection when the causative organism is known and will not kill as many of the normal microorganisms in the body as the broad spectrum antibiotics. examples include Azithromycin (a azalide, a subclass of macrolide antibiotic), Clarithromycin etc.Also asked, what are examples of narrow spectrum antibiotics?
Examples of narrow-spectrum antibiotics are the older penicillins (penG), the macrolides and vancomycin. Examples of broad-spectrum antibiotics are the aminoglycosides, the 2nd and 3rd generation cephalosporins, the quinolones and some synthetic penicillins.
Also, what are broad and narrow spectrum antibiotics? A broad-spectrum antibiotic is an antibiotic that acts on the two major bacterial groups, gram-positive and gram-negative, or any antibiotic that acts against a wide range of disease-causing bacteria. This is in contrast to a narrow-spectrum antibiotic, which is effective against only a specific group of bacteria.
Likewise, what does narrow spectrum antibiotic mean?
Medical Definition of narrow-spectrum : effective against only a limited range of organisms narrow-spectrum antibiotics effective only against gram-negative bacteria — compare broad-spectrum.
Is Penicillin a narrow spectrum antibiotic?
Benzylpenicillin (Penicillin G) is narrow spectrum antibiotic used to treat infections caused by susceptible bacteria. It is a natural penicillin antibiotic that is administered intravenously or intramuscularly due to poor oral absorption.
Why is it better to use narrow spectrum antibiotics?
Advantages. Narrow-spectrum antibiotic allow to kill only those bacteria species that are unwanted (i.e. causing disease). As such, it leaves the beneficial bacteria unaffected, hence minimizing the collateral damage effect on the microbiota.Is amoxicillin narrow spectrum?
pneumoniae who received oral antibiotic treatment. They classified amoxicillin and cephalexin as narrow-spectrum antibiotics, and all others (cefuroxime, amoxicillin-clavulanate, sulfamethoxazole-trimethoprim, cefdinir, cefixime and ciprofloxacin) as broad-spectrum antibiotics.Which is better broad spectrum or narrow spectrum?
Narrow-spectrum antibiotics perform equally well or better than broad-spectrum ones, which can kill off more of the “good” bacteria in your body and cause other bacteria to become resistant to those antibiotics in the future.What is the difference between narrow spectrum and broad spectrum antibiotics?
Narrow-spectrum antibiotics are only effective against a narrow range of bacteria, whereas broad-spectrum antibiotics are effective against a broad range of bacteria.Is penicillin V broad or narrow spectrum?
Penicillin G and penicillin V are narrow-spectrum antibiotics, showing activity against mostly gram-positive cocci and gram-positive bacilli and gram-negative cocci. Other penicillins have an extended spectrum and greater activity against some gram-negative bacilli.Is tetracycline broad or narrow spectrum?
Tetracyclines are broad-spectrum agents, exhibiting activity against a wide range of gram-positive and gram-negative bacteria, atypical organisms such as chlamydiae, mycoplasmas, and rickettsiae, and protozoan parasites.Is vancomycin a narrow spectrum antibiotic?
Vancomycin. Vancomycin is a narrow-spectrum bactericidal antibiotic used primarily for treatment of serious staphylococcal infections. It is the alternative therapy of choice when the penicillins and cephalosporins cannot be used.Are sulfonamides broad or narrow spectrum?
Tetracyclines, whether natural or semisynthetic, act by inhibiting bacterial protein synthesis. These antibiotics are bacteriostatic and have a broad spectrum of activity. Sulfonamides are synthetic, broad-spectrum bacteriostatic antibiotics.Are macrolides broad or narrow spectrum?
Macrolide: One in a class of antibiotics that includes Biaxin (Clarithromycin), Zithromax (Azithromycin), Dificid (Fidoximycin), and Erythromycin. The macrolides inhibit the growth of bacteria and are often prescribed to treat rather common bacterial infections. They are broad spectrum antibiotics.Is erythromycin a narrow spectrum antibiotic?
Broad-spectrum antibiotic activity and notable broad-spectrum antibiotics. In contrast, narrow-spectrum antibiotics are only effective against Gram-positive or Gram-negative bacteria. Notable broad-spectrum antibiotics include ampicillin, ciprofloxacin, erythromycin, gentamicin, and streptomycin.What is narrow spectrum and broad spectrum?
Narrow-spectrum antibiotics target a few types of bacteria. Broad-spectrum antibiotics target many types of bacteria. Both types work well to treat infections. But using broad-spectrum antibiotics when they're not needed can create antibiotic-resistant bacteria that are hard to treat.Are glycopeptides broad or narrow spectrum?
Broad spectrum antibacterials are active against both Gram-positive and Gram-negative organisms. For example, glycopeptides and bacitracin are only effective against Gram-positive bacteria, whereas polymixins are usually only effective against Gram negative bacteria.What is the strongest antibiotic for bacterial infection?
AMOXICILLIN is a penicillin antibiotic. It is used to treat certain kinds of bacterial infections. It will not work for colds, flu, or other viral infections.Is streptomycin broad or narrow spectrum?
At low concentrations, however, streptomycin only inhibits growth of the bacteria by inducing prokaryotic ribosomes to misread mRNA. Streptomycin is an antibiotic that inhibits both Gram-positive and Gram-negative bacteria, and is therefore a useful broad-spectrum antibiotic.What is selective toxicity?
Selective toxicity refers to the ability of the drug to targets sites that are relative specific to the microorganism responsible for infection. Sometimes these sites are unique to the microorganism or simply more essential to survival of the microorganism than to the host.How do you get antibiotic resistance?
Antibiotic resistance occurs when bacteria change in some way that reduces or eliminates the effectiveness of drugs, chemicals, or other agents designed to cure or prevent infections. The bacteria survive and continue to multiply causing more harm. Bacteria can do this through several mechanisms.How does superinfection occur?
Superinfection is the process by which a cell that has previously been infected by one virus gets co-infected with a different strain of the virus, or another virus, at a later point in time. Viral superinfections may also be less susceptible to the host's immune response. 
