Anti-Infectives Flashcards
Can all microbes be completely eliminated from the body?
No
We have ___________ of (good) bacteria and _______ in our body.
normal flora
yeast
What is an infection?
- Invasion of bacteria, virus, or fungus that does not normally occur in that body
- Overgrowth of “naturally occuring organisms” in a compromised host
Invasion of bacteria, virus, or fungus that does not normally occur in that body
-and-
Overgrowth of “naturally occuring organisms” in a compromised host
Both _______ the body’s ability to help fight ______
overwhelm
pathogen
Anti-infectives
Help fight infections
________, ________, _________ and ________ all cause infections, but must be treated differently.
Bacteria, fungi, protozoa, virus
Drug to Remember:
Carbapenems
Impenem/ Cilastrin (primaxin)
(im-pen-em)/ (ce-last-rin)/(pri-max-in)
Drug to Remember:
Aminoglycosides
(amino-glyco-sides)
Gentamicin
(gent-am-i-cin)
Drug to Remember:
Quinolones
(quin-o-lones)
Ciprofloxacin (cipro)
(ci-pro-flo-ac-cin)
Drug to Remember:
Clindamycin
(clin-da-my-cin)
Clindamycin
(clin-da-my-cin)
Drug to Remember:
Vancomycin
(van-co-my-cin)
Vancomycin
(van-co-my-cin)
Drug to Remember:
Metronidazole
(metro-ni-daz-ole)
Flagyl
(flag-yl)
Drug to Remember:
Sulfonamides
(sulf-ona-mides)
Suflamethoxazole (Bactrim)
(sulf-a-meth-ox-a-zole)/ (bac-trim)
Drug to Remember:
Macrolides
(macro-lides)
Erythromycin
Cephalosporins
(cep-halo-spor-ins)
Action
Inhibits bacterial cell wall sythesis
Cephalosporins
(cep-halo-spor-ins)
Bacteriostatic or Bacteriocidal?
Bacteriocidal
Cephalosporins
(cep-halo-spor-ins)
Works on what type of bacteria?
- Gram (+)
- Gram (-)
- Some anaerobic
Cephalosporins
(cep-halo-spor-ins)
Number of Generations
5 generations of drugs that cover more and more
Cephalosporins
(cep-halo-spor-ins)
Common Side Effect
Diarrhea
Cephalosporins
(cep-halo-spor-ins)
Used Against
- Gram (+)
- Gram (-)
- Some anaerobic bacteria
Cephalosporins
(cep-halo-spor-ins)
Contraindications
Because cephalosporin is chemically very similar to penicillin, if______________, will be allergic to this type too!
Allergic to penicillin
“Cross-Sensitivity”
Cephalosporins
(cep-halo-spor-ins)
Drugs to Remember (2)
Cefazolin sodium (Ancef)
(ce-fa-zo-lin)
(an-cef)
-&-
Cefoxitin (Mefoxin)
(ce-fox-i-tin)
(me-fox-in)
Cefoxitin (Mefoxin)
Good for what type of bacteria
Good for anaerobic bacteria
Cephalosporin
Cephalosporins
(cep-halo-spor-ins)
Very chemically similiar to _________!
Penicillin
Carbapenems
(carb-a-pen-ems)
Defining characteristic
Has the broadest action of all antibiotics we currently have
Carbapenems
(carb-a-pen-ems)
Action
Inhibits cell wall sythesis
Carbapenems
(carb-a-pen-ems)
Bacteriostatic or Bacteriocidal?
Bacteriocidal
Carbapenems
(carb-a-pen-ems)
Uses
Reserved for _______________ of (2) infections)
Complications
- Organ/body infections
- Connective tissue infections
Carbapenems
(carb-a-pen-ems)
Only given via _______
IV/IM
Carbapenems
(carb-a-pen-ems)
Must be infused over ________
60 minutes
Carbapenems
(carb-a-pen-ems)
Side Effects to Watch For:
Drug induced seizures
(not common)
Carbapenems
(carb-a-pen-ems)
Contraindications:
If allergic to _________, may be allergic to this type too. But only if allergy is to the level of _________.
penicillin
anaphylaxis
(ana-phy-lax-is)
Carbapenems
(carb-a-pen-ems)
Drug to Remember:
Imipenem/Cilastrin (Primaxin)
(im-i-pen-em)
(cil-as-trin)
(pri-max-in)
Carbapenems
(carb-a-pen-ems)
Imipenem is the _________
Cilastrin (Primaxin) ________ quick breakdown by the ________
Imipenem = antibiotic
Cilastrin (Primaxin) = inhibits
Macrolides
(macro-lides)
Actions (2)
- Inhibits protein synthesis
- Binds to ribosomes and prevents production of proteins
Macrolides
(macro-lides)
Bacteriostatic or Bacteriocidal?
Bacteriostatic
Macrolides
(macro-lides)
Problem
Easily destroyed by HCl-usually coated to prevent this
Macrolides
(macro-lides)
Uses (3)
- Lyme disease
- STDs
- Respiratory infections
Drug to Remember:
Penicillin
- Penicillin G
- Ampicillin
Drug to Remember:
Cephalosporins
(cep-halo-spor-ins)
Cefazolin sodium (Ancef)
(cef-a-zo-lin)
-and-
Cefoxitin (Mefoxin)
(ce-fox-i-tin)/ (me-fox-in)
Macrolides
Actions
Inhibits protein synthesis- binds to ribosomes and prevents production of protein
Macrolides
Bacteriostatic or Bacteriocidal?
Bacteriostatic
Macrolides
Problem with using
Easily destroyed by HCl
-usually coated to prevent this
Macrolides
Uses
- Respiratory infections
- Lyme disease
- Sexually transmitted infections
Macrolides
S/E
Can cause severe GI distress
Macrolides
Can it be used with other medications?
No, b/c it interacts with several common medications
not good for taking anything else
Macrolides
Drugs to Remember
Erythromycin (good w/food)
Azithromycin (Zithromax)
Bacteriocidal
“Queen Victoria counsels counselors at CAMP”
- Quinolones
- Vancomycin
- Cephalosporins
- Carbapenems
- Clindamycin
- Aminoglycosides
- Metronidazole
- Pencillin
Bacteriostatic
“My CaTS”
- Macrolides
- Clindamycin
- Tetracyclines
- Sulfonamides
Most antifungal medications work by:
- Bind to ___(1)____ of fungi and leaks out the ____(2)____ and ____(3)____ (____(4)__results)
- Inhibits ____(5)____
- Decreases ______(6)_____
- cell membrane
- potassium
- magnessium
- cell death
- mitosis
- cell replication
Uses of antifungal medications
- Treatment of _____(1)_____ and ______(2)_____
- Fungal infections are often _____(3)_____ in the ______(4)_______
- _____(5)______ causes many ___(6)_____ and many drug __(7)____
- molds
- yeast infections
- opportunistic
- immuno-compromised
- Systemic use
- side effects
- interactions