Pharm One Final 6 - PCN and Cephalosporins, etc Flashcards
How do PCN’s work?
PCN’s
Their BETA-LACTUM RING interferes with the bacteria’s cell wall, the wall breaks down and the bacteria cell dies.
What are types of PCN’s?
Broad Spectrum PCN
Penicillinase-Resistant PCN
Extended Spectrum PCN
What do broad spectrum PCNs treat?
Broad Spectrum PCN’s treat GRAM NEGATIVE
and some Gram Positive
H. Influenzae
E. Coli,
Shigella
dyscenteriae
Salmonella
BS PCN - G Negative. Does not treat S. Aureus
TREATS FLU and GI UTI related
Example of Broad Spectrum PCN
Broad Spectrum PCN
Augmentin
Ampicillin
Ampicillin sulbactam
Broad Spectrum in AUGUST
Broad Spectrum Augmentum
What do Penicillinase-Resistant PCN’s treat?
Name 3
Penicillinase-Resistant PCN’s treat
s.Aureus which produces penicillinase
Not effective against Gram Negative
Dicloxacillin (PO)
Nafcillin (IV and IM)
Oxacillin (IV and IM)
s. Aureus
What do Extended Spectrum PCN treat?
Extended Spectrum PCN treat
Pseudomonas aeruginosa (gram negative)
Example -piperacillin tazobactam
EXTENDED - think lungs - think psuedomonas - (No Flowers, found in soil/plants)
What are 3 Beta-lactamase Enzyme Inhibitors?
clavulanic acid. sulbactam. tazobactam
they inhibit the bacteria’s beta-lactamases so that the PCN’s with beta-lactan rings will not be affected.
they are combined with a broad-spectrum penicillinase-sensitive PCN
amoxicillin
ampicillin
piperacillin
GERIATRIC PATIENTS - Assessment before
PCNS -Beta-lactamase inhibitors and ABX
ABX - Assess kidney and liver
PCNS - Assess renal function because excreted through urine
BUN/Creatinine
lower dose if elevated
CHECK FOR ALLERGIES
PCNs
What ASSESSMENTS NEEDED
- Allergies to PCN or Cephs
- Labs- renal and liver function. Platelets
- Urine output
- Effectiveness
- Monitor for superinfection
- Monitor for allergies
- Do not take with aminoglycosides (MICIN’s)
PATIENT Teaching for PCN’s
- Take entire dose
- Oral contraceptive effectiveness DECREASES
- Take with food
- Report side effects
- Keep away from children.
Cephalosporins route
Most IM IV some PO (Cephalexin...\_
CEPHALOSPORINS treat…
CEPHALOSPORINS treat
Respiratory infections, bronchitis, tonsillitis, PNA (pneumonia)
Intra-abdominal infections,
Skin infections
CEPH and BREATH - Respiratory infections
10% of patients allergic to PCN will be allergic to CEPHALOSPORINS
but can still administer the CEPH, just need to monitor for allergic rx.
AMINOGLYCOSIDES treat
AMINOGLYCOSIDES -(MICIN’s)
Gram Neg - E.Coli, Proteus, Pseudomonas
Used for serious infections
AMIN -MICIN
MINI MICE
ECP eat cheese pizza
NAME 4 AMINOGLYCOSIDES
AMINOGLYCOSIDES. - MICINs
GENTAMICIN
NEOMYCIN
STREPTOMYCIN
TOBRAMYCIN
A MINI MICE
MAIN SIDE EFFECT OF AMINOGLYCOSIDES
AMINOGLYCOSIDES - Micins
***OTOTOXICITY***
Ringing in ears, tinnitus, balance issues, can’t hear you
PEAK AND TROUGH to make sure not TOXIC
NEPHROTOXICITY
SUPERINFECTION
aso N/V, tremors, puriitus, muscle cramps
AVOID SUNLIGHT
Micin - Mice - Mickey Mouse - Ears -Ototoxicity
FLUOROQUINOLONES
what do they treat?
Gram positive and Gram Negative
UTI
Bone/joint infections
Resp infections
GI infections
Gonorrhea
FLUOROQUINOLONES
Name 3
FLUOROQUINOLONES -floxacin
Ciprofloxacin
Levofloxacin
Moxifloxacin
FLUOROQUINOLONES
what to avoid taking with
Iron and anti-acids
Nsaids - cns rx/seisures
Food slows absorp.
avoid caffeine
FLUOROQUINOLONES
Side effects
Photosensitivity
Dizziness
Diarrhea
TENDON RUPTURE - report heel and ankle pain
TETRACYCLINES
treat -
Gram Positive and Gram Negative
Mycobacteria
rickettsiae
spirochetes
chlamydiae
Tetra - 4- MRSC
DOES NOT TREAT
s.aureus,
pseudamondas
proteus
TETRACYCLINES
Do not take with…
MG,
AL
Ca
**FE
TETRACYCLINES
side effects
- N/V
- Diarrhea
- Photosensitivity - sunburn
- Tooth Discoloration - not in 1st, 3rd trimester, under 8 years. TEETH STAINING
- Inc. Digoxin toxicity
- LESSENS ACTION OF ORAL CONTRACEPTIVES
No pg women or children take it
GLYCOPEPTIDES
Name one and what i treats
VANCOMYCIN
Treats S. aureus
Prophylaxis for cardiac surgery
***MRSA
GLYCOPEPTIDE
GLYCO-VANCO
SIDE EFFECTS OF GLYCOPEPTIDES
Vanco -
Red Man syndrome if infused too fast. TOXIC EFFECT not allergy
Stevens-Johnson Syndrome - peeling skin
Eosinophilia - too many
Neutropenia - too little
THINK RED VAN MAN. - run it slowly
What to do STOP it immediately - TOXIC EFFECT