BROAD-SPECTRUM (THIRD- & FOURTH-GENERATION) CEPHALOSPORINS Flashcards
(22 cards)
What is the brand name of Cefdinir?
Omnicef
Cefdinir is an antibiotic used to treat various infections.
What is Cefditoren commonly known as?
Spectracef
Cefditoren is a cephalosporin antibiotic effective against certain bacterial infections.
Cefepime is marketed under which brand name?
Maxipime
Cefepime is a fourth-generation cephalosporin antibiotic.
What is the generic name for Suprax?
Cefixime
Cefixime is used to treat infections caused by bacteria.
Cefotaxime is known by which brand name?
Claforan
Cefotaxime is often used in serious infections where other treatments may not be effective.
Cefpodoxime proxetil is marketed as what?
Vantin
Cefpodoxime proxetil is a prodrug of cefpodoxime, effective against various bacteria.
What are the brand names associated with Ceftazidime?
generic, Fortaz, Tazidime
Ceftazidime is particularly effective against Pseudomonas aeruginosa.
Ceftibuten is known by which brand name?
Cedax
Ceftibuten is a broad-spectrum cephalosporin antibiotic.
What is the brand name for Ceftizoxime?
Cefizox
Ceftizoxime is effective against a variety of gram-positive and gram-negative bacteria.
Ceftriaxone is marketed under which brand name?
Rocephin
Ceftriaxone is widely used for treating severe infections and is given via injection.
What are third and fourth-generation cephalosporins?
Broad-spectrum antibiotics with varying activity against Gram-positive and Gram-negative bacteria.
What is the primary advantage of third-generation cephalosporins?
Increased activity against Gram-negative bacteria.
Name three examples of third-generation cephalosporins.
- Cefotaxime
- Ceftriaxone
- Ceftazidime
What infections are third-generation cephalosporins commonly used to treat?
- Pneumonia
- Meningitis
- Urinary tract infections
What is a key feature of fourth-generation cephalosporins?
Improved activity against Gram-positive bacteria.
Name two examples of fourth-generation cephalosporins.
- Cefepime
- Ceftolozan (combined with tazobactam)
What types of infections are fourth-generation cephalosporins used to treat?
- Infections caused by Gram-negative bacilli
- Complicated urinary tract infections
- Ventilator-associated pneumonia
True or False: Fourth-generation cephalosporins are less stable against beta-lactamases compared to third-generation cephalosporins.
False
Fill in the blank: Fourth-generation cephalosporins are zwitterions, allowing them to penetrate the outer membrane of Gram-negative bacteria more _______.
readily
What is the significance of beta-lactamase resistance in fourth-generation cephalosporins?
They are more stable against enzymes that can inactivate some antibiotics.
What Gram-negative bacteria show increased coverage with third-generation cephalosporins?
- Haemophilus influenzae
- Enterobacterales
- Pseudomonas aeruginosa
How do fourth-generation cephalosporins compare to third-generation cephalosporins in terms of Gram-positive activity?
They generally have improved activity against Gram-positive bacteria.