antibiotics Flashcards

1
Q
  • used in tx or prophylaxis ineffective endocarditis
  • useful in skin, soft tissue, resp, GI, GU infection
  • broad spectrum
  • cross sensitivity to cephalosporins & carbapenems
  • make oral contraceptives ineffective
A

penicillins

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2
Q

end in -cillin

A

penicillins

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3
Q
  • broad spectrum
  • use for surgical prophylaxis, UTI, bloodstream infections, skin & soft tissue infections, intraabdominal infections, pneumonia
  • 5 generations based on pharmacology & spectrum
  • cross sensitivity to penicillins & carbapenems
  • avoid alcohol 72h after taking
  • be careful w/ diabetics
A

cephalosporins

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4
Q

start with “cef-“

A

cephalosporins

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5
Q
  • broad spectrum
  • used for severe bacterial infection
  • 5-14 day use
  • CI epilepsy
  • CNS side effect
  • cross sensitivity cephalosporins & penicillins
A

carbapenems

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6
Q
  • most commonly used for critical care patients
  • used for intraabdominal infections, pneumonia, meningitis
  • increased liver enzymes
  • good for pt w/ severe allergy penicillin
A

monobactams

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7
Q

end in -nam

A

monobactams

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8
Q

normal AST

A

0-35

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9
Q

normal ALT

A

0-45

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10
Q
  • often received in combo w/ other drugs for serious systemic infections
  • last resort med due to complications
  • category 2 (TB)
  • nephrotoxicity, ototoxicity
  • BBW: neuromuscular blockade or resp paralysis
A

aminoglycosides (gentamicin)

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11
Q
  • used to treat infections caused by bacteria
  • used in serious conditions such as C. diff & MRSA
  • ototoxicity, nephrotoxicity
  • don’t give IM
A

vancomycin

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12
Q

vancomycin can cause

A

red man’s syndrome

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13
Q

T/F: red man’s syndrome is an allergic reaction

A

F

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14
Q
  • used in pt 18+
  • category 2 (TB)
  • last resort med
  • AE: photosensitivity, CNS, hypoglycemia
  • CI under 18 (tendonitis, tendon rupture, BBW), myasthenia gravis
A

fluoroquinolones (ciprofloxacin, levofloxacin)

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15
Q

end in -floxacin

A

fluoroquinolones

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16
Q
  • second-line drugs TB
  • injectable
  • less effective
  • more toxic
  • used when resistance develops
A

category 2 drugs

17
Q
  • used for syphilis, animal bites, lyme’s disease
  • GI problems, photosensitivity
  • CI children <8y
  • prevent interactions w/ dairy
A

tetracyclines

18
Q

what happens to children under age 8 if given a tetracycline?

A

teeth dercolorization, hinders bone growth

19
Q
  • used for middle ear, urine, resp, intestinal infections
  • AE: SJS
A

sulfonamides (trimethoprom-sulfamethazole)

20
Q
  • used for UTI prophylaxis & tx
  • teach pt that it will turn urine brown –> keep taking it
A

urinary aseptic (nitrofurantoin)

21
Q
  • used for upper resp infection, STIs
  • no grapefruit juice
  • report hair itching & jaundice
  • GI side effects, ototoxicity, hepatotoxicity
A

macrolides (erythromycin)

22
Q

a rare, serious disorder of the skin & mucous membranes. usually a reaction to meds that starts w/ flu-like symptoms, followed by a painful rash that spreads and blisters. then the top layer of affected skin dies, shed, and begins to heal after several days

A

steven-johnson syndrome (SJS)