Antibiotics Flashcards
Gram + cocci
Streptococcus
Staphy
Enterococcus
Gram + Rods
- Diphtheriae
- Listeria
- Anthrax
- Clostridium species*
- = anaerobic
Gram - Cocci
- Neisseriae
- Moraxella
Gram - Rods
- e. Coli
- Psuedomonas
- Haemophilus Influenzae
- Helicobacter Pylori
- Shigella; Salmonella
- Campylobacter
- Bacteroides. Fragilis
Altabax
Retapamulin
Cream/ointment used for
- Impetigo!!**
MSSA only!!
How to treat MRSA colinization
Bactoban Nasal single use tubes
Hibiclens soap sln
- (4% Chlorhexidine)
MRSA DOC (PO/IV)
PO outpatient ABX:
- Bactrim
- Doxycycline
- Clindamycin
- Linezolid (Zyvox), Tedizolid (Sivextro)
Delafloxacin (Baxdela);
MRSA IV ONLY
Daptomycin (cubicin)
Cedtaroline (Teflaro)
Quinupristin/ Dalfoprostin (Synercid)
Tigecycline (Tygacil)
Dalbavancin (Dalvance)
Ortivancin (Orbactiv)
TELAVANCIN (Vibativ)
ABX for Pseudomonas aeruginose
Anti-pseudomonal PCN’s:
- Ticarcillin + Clav(Timentin) - Piperacillin + Tazobactam (Zosyn)
Anti-Pseudomonal CEPH’s:
- Cedtazidine(Fortaz) - Cefepime (Maxipime) - Cedtazidime + Avibactam (avycaz) - Ceftolozane + tazobactam (Zerbaxa) MDR
Carbapenems (NOT ERTAPENEM)
Fluoroquinolones (Cipro/ Levaquin)
Aminoglycosides: (Not as single agent)
Monobactam: Aztreonam (Gram - ONLY)
H. Pylori Triple Therapy
PO BID x 14 days
1) Clarithromycin 500mg BID
2) Amox 1g BID
3) PPI (BID)
Note: FOR PATIENTS W/ no HISTORY OF MACROLIDE RESISTANCE!!!
Note: If PCN allergy use Flagyl instead
Prevpac: combination package for 14 days:
Amox + Clarithromycin + Lansoprazole (Prevpac)
H. Pylori
Bismuth Quadruple therapy (10-14d)
1) Bismuth
2) Metronidazole
3) Tetracycline
4) PPI
Note: pts w/ risk factors for MACROLIDE RESIStance
Pylera: combo of Bismuth, Flagyl, Tetracycline
3 CAPS QID after meals and at HS x 10d
Concomitant Therapy:
- Triple Therapy + Metronidazole
Clarithromycin + Amox + Metronidazole + PPI
Infective Endocarditis
- STREP
- STAPHY
- Enterococcus
Emp Tx:
- pref: Vanco IV +/- gram(-) coverage - alt: Oxacillin/Nafcillin + Gentamicin - **Pathogen specific therapy for 4-6 WEEKS**
Infective CARDITIS dental ppx
Done in certain CARDIAC patients prior to dental procedures
- AMOX 2g PO 30-60 min prior to procedure
If PCN allergy:
1) Clindamycin 600mg PO
2) Azithromycin 500mg PO
3) Clarithromycin 500mg PO
Cellulitis/ Erysipelas/ Abscess
Superficial: STAPH AND STREP
-Cellulitis: Mostly STREP and MSSA
DOC: Keflex
Abscess: 50% MRSA
DOC: Bactrim, doxycycline/ Clindamycin —————————————————————— Diabetic skin infections: POLYMICROBIAL
- Gram(+), Gram(-), and anaerobes
#Deep: Also cover Gram(-) and Anaerobes
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Animal/ Human bites:
- Tx: Augmentin, Tdap
Intra-Abdominal Infections
- Usually post surgery
B. Frag: Gram(-) Rod
E. Coli: gram (-) Rod
Enterococci: gram(+) cocci
Peudomonas: gram(-)
Empiric Tx:
———————
1)single agent:Ertapenem, Zosyn, Timentin
2)combos: Levaquin/ Cipro + Metronidazole
Acute Gastroenteritis
Diarrhea, abd pain, n/v, maybe fever
Majority: VIRAL, Rotavirus in children and Norovirus in children
Tx: supp care and volume/ electrolyte replacement
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Bacterial causes: Salmonella, Shigella, Campylobacter, e.coli,
Tx: levaQuin, Rifaximin, Azithromycin
Giardia: Treat w/ METRONIDAZOLE
C.diff: flagyl or oral vanco
Diverticulosis/itis
Osis: high fiber diet
Diverticulitis: Infection of bulging pouches in colon wall
Tx: E.coli and b.frag
- Cipro + Metro - Bactrim + Metro
Osteomyelitis
- STAPH aureus
- Aerobic bacilli (Pseudomonas)
Tx: Outpatient IV Abx therapy via PIC line 6 weeks
- Zosyn(Pip-taz) - unasyn(amp-sulbactam)
If PCN allergy: cipro/levQuin + metro or Clinda
Id MRSA: Vanco/ Daptomycin
UTI/PYELONEPHRITIS
Bugs: PEKEPS (Proteus, E.colo, Klebsiella, Enterococci, Pseudomonas, Staph saprophyticus)
——————————————
Tx: Acute cystitis
- Bactrim, Nitrofurantoin, Fosfomycin
Pyelonephritis
- Bactrim, URINARY FQ(cipro/ levaquin)
-MOXIFLOXACIN- AVELOX NOT USED FOR UTI- doesnt concentrate in URINE/Kidneys
Prostatitis
Urinary FQ for 28-30 days
Community acquired pneumonia
CAP
Bugs: Pneumococcus, Mycoplasma, Legionell, Haemophilus, Klebsiella, Pseudomonas, MRSA
OUT-PATIENT:
- Low rate (<25%) of macrolide RESIST
(MACROLIDE OR DOXYCYCLINE)
-High rate (>25%) of Macrolide resist: DOXY
Comorbid conditions, recent ABX, or ^ rate of local Doxy RESIST:
- Beta-Lactam PLUS MACROLIDE OR DOXY
- Resp Quinolone (Levo, moxi, gemi) **NOT CIPRO** ———————————————————
Adult Inpatient Non-ICU:
- IV beta-lactam + Macrolide OR
- IV Resp FQ
Adult inpatient ICU:
- IV Beta-Lactam + Macrolide or FQ
- IV FQ + aztreonam
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If susp of MRSA: vanco, Linezolid, Clindamycin
If susp Gram(-) bacilli
- RECENT HOSPITILIZATIONS, CYSTIC FIBROSIS, ALCOHOLICS, COPD
- TREAT w/ ANTIPSEUDOMONAL BETA-lactamb+ RESP FQ!!
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PEDIATRIC CAP: - Outpatient: ^ dose of Amox, cefdinir, Clinda, macrolide
- Inpatient:Ampicillin, PCN G, Ceftriaxone, Cefotaxime
Meningitis
Bugs: Pneumococcus, Neisseria, H.influ
Empiric tx: Ceftriaxone + Vanco
Close contact: Vaccine and Abx ppx
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Neonatal Meningitis: Exposure to E.coli and GBS during BIRTH. 3rd most common cause is LISTERIA!!
Empiric tx(Nosocomial) - amp+ gent
Empiric Tx(Community) - amp+ gent
Chlamydia
Tx:
- Doxyycline 100mg BID X 7 days
- Azithromycin(preferred) 1 g x 1 dose
Gonorrhea
- Ceftriaxone 250mg IM x1
PLUS
- Azithromycin 1g x 1
NOTE: **If allergy to cephs, Then Azithromycin 2g PLUS Gentamicin or gemifloxacin