Pharmacology For Cardiopulmonary Infections - Dr. Wolff Flashcards
how to prevent S. Pneumoniae
- CHILDREN : Prevnar
- ADULTS : Pnumvax
= vaccine taken
4 viral pneumonias
- influenza MOST COMMON
- adenovirus
- Parainfluenza
- Respiratory Syncytial virus (RSV)
2 drugs for treating influenza virus
- Oseltamivir (zanamivir, Peramivir)
2. Baloxavir
viral pneumonias usually cause what
superinfections with bacterial infection ( S. pneumonia, S. Aureus, H. Influenzae)
Oseltamivir MOA and effects
- inhibits viral neuraminidase
2. X viral budding from host cell (quickens flu recovery)
Oseltamivir clinical use and Side effects
- acute uncomplicated influenza A and B, also prophylaxix of influenza A and B
- N, V, dont use if organ problems
Baloxavir MOA and effects
- inhibits endonuclease activity = X viral gene transcription
- quickens recovery by 1 - 2 days
Baloxavir clinical use and side effects
- acute uncomplicated influenza A and B, prophylaxis influenza A and B
- D
Baloxavir pharmokinetics to know
- NOT FOR PREGNANT
2. UGT1A3 + CYP3A4 using
Amantadine MOA and effects
- antiviral unknown moa
2. quickens recovery from influenza A
Amantadine clinical use
TX PARKINSONS
= not used against influenza A anymore
Multidrug resistant bacteria (resistant to 1 in 3)
- MRSA (S. Aureus)
2. Vancomycin- resistant enterococci (VRE)
Extensively drug resistant bacteria ( resistant to 1 of 2)
- Mycobacterium TB
2. pseudomonas aeruginosa, Klebsiella pneumonia
Pandrug resistant (all in all resistant)
pseudomonas aeruginosa, Klebsiella pneumonia , Acinetobacter Baumannii
penicillin drugs used for staph aureus
pencillinase - resistant penicillins (Nafcillin)
penicillin drug for gram - bacteria
broad spectrum penicillins (Ampicillin, amoxicillin)
penicillin drug used for P. aeruginosa
extended spectrum penicillins (Piperacillin, Ticarcillin) + B-lactams (clavulanate, tazobactam, sulbactam)
fluoroquinolones treat what 2 things and how
- gram - (Ciprofloxacin)** : X DNA Gyrase
2. gram + (respiratory fluroquinolones) : X Topo4
Amoxicillin + clavulanate MOA and clinical use
- X cell wall + B-lactam inhibitor
- Community acquired pneumonia (Gram + and Gram -)
- not psudomonas
Piperacillin + Tazobactam MOA and effects
- X cell wall + B-lactam inhibitor
2. Gram +, Gram -, Anaerobic + aerobic , Psuedomonas)
Piperacillin + Tazobactam clinical use
- community acquired pneumonia
- hospital and ventilator acquired pneumonia
= gram +, gram -, pseudomonas
parenteral cephalosporins 3
- ceftazidime (3rd)
- cefepime (4th)
- ceftriaxone (3rd)
oral cephalosporins 2
- cefditoren (3rd)
2. cefpodoxime - proxetil (3rd)
psudomonas drugs
- piperacillin/ ticarcillin + B-lactam - extended spec penicillin + BL
- Ceftriaxone/ cefpodoxime/ cefditoren, ceftazidime - cephalosporins
- Ciprofloxacin (BEST - resp fluoroquinolone)
cephalosporins for MRSA + gram +
cefepime
ceftriaxone + ceftazidime MOA and clinical use
- X cell wall
2. CAP + many other infections in body + P. Aeruginosa
ceftriaxone + ceftazidime administration and side effects
- IV
2. B- lactam allergy + superinfection
Cefpodoxime + Cefditoren MOA and clinical use
- X cell wall
2. CAP, UTI, COPD + many other infections
Cefpodoxime + Cefditoren administration and side effects
orally
B- lactam allergy + superinfection
tetracyclines attack what (clinical use)
CAP (H. influenza, Klebsiella spp., Mycoplasma pneumoniae)
+ S. pneumonia
+ S. spp.
tetracyclines contraindication and name of drug
DOXYCYCLINE
= in children to prevent permanent teeth staining
Doxycycline clinical use
tetracycline
= CAP (H. influenza, Klebsiella spp., Mycoplasma pneumoniae)
+ S. pneumonia
+ S. spp.
Doxycycline Side effects
high BUN, intracranial htn, superinfection, lower bone growth, esophageal ulcer, photosensitive, skin hyperpigmentation
Macrolides 3
- erythromycin
- clarithromycin
- azithromycin
Macrolides effective against what
gram +
only haemophilus + Neisseria, pasteurella gram -
macrolides are good for who
pts with penicillin allergies
erythromycin side effects and pharm
- GI problems
2. CYP3A4 inhibitor MAJOR
erythromycin clinical use
- S. pyogens
- S. pneumonia
- S. Aureus
- Mycoplasma pneumonia
- Legionella pneumonia
- diphtheria, pertussis
- acne, gastroparesis, copd, endoscopy
Clarithrocycin clinical use
same as erythromycin only low GI probs
+ same pharm
azithromycin clinical use
- CAP (chlamydophilia, H. influenzae, Legionella, M. catarrhalis, Mycoplasma pneumoniae)
azithromycin pharm
NO inhibition of CYP450
Respiratory fluoroquinolones 4 and effectiveness
- Levofloxacin (3rd)
- Gemifloxacin (4th)
- Moxifloxacin (4th)
- Ciprofloxacin (2nd = only gram - P. Aeurgonas)
more effective then tetracyclines and mscrolides only high tolarance rates
Respiratory fluoroquinolones risk in elderly
achille tendon rupture
Levofloxacin clinical use
- CAP (Multidrug resist. S. pneumonia, nosocomial pneumonia, copd, acute exacerbation or acute bacteria)
Respiratory fluoroquinolones SIDE EFFECTS *
- tendinitits, tendon rupture
- peripheral neuropathy
- myasthenia gravis worse
- rare CNS probs
* * cant reverse adverse effects and reactions**
Vancomycin given clinically when
- MRSA + MRSE + pts allergic to penicillin
- C. Difficile colitis if NOT responsive to metronidazole
- Endocarditis
- S. aureus
- B-lactam resistant staph
Vancomycin risk
Red Man Syndrome = if infused too fast
C. Diff TX
- Metronidazole
2. Vancomycin if needed
Linezolid MOA and effects
- X protein translation
2. GRAM +, vancomycin resistant enterococci, MRSA
Linezolid clinical use
- VRE
- CAP from S. pneumonia, S. aureus
- MRSA
(gram +)
(oral + IV)
Aztreonam MOA and effects
- X peptidoglycan making
2. GRAM - (including Pseudomonas)
Aztreonam clinical use
GRAM - and pseudomonas
IM or IV
Aztreonam side effects
anaphylactic + hypersensitivity reaction + superinfection
Imipenem MOA and effects
- X wall
- GRAM - GRAM + wide
for multiresistant
Imipenem clinical use
LRI, bacterial sepsis (multiresistant gram - , gram +)
Gentamicin clinical use
- Resp infection
(GRAM - including Pseudomoas, klebsiella AND GRAM+ Staph aureus) - sepsis
Gentamicin side effects
nephrotoxicity *(reversible)
Neurotoxic + ototoxicity *
superinfection / hypersensititvity
clindamycin clinical use and risk
aspirational pneumonia (not anymore) = C. Diff
what tx for aspirational pneumonia
- Ampicillin - sulbactam
2. amoxicillin - clavulanate
most ABs resistant bacteria
ESKAPE E : Enterobacter S : Staph aureus K : Klebsiella A : Acinetobacter Baumannii P : Pseudomonas E : E. Coli
Left valve endocarditis : S. Aureus TX
- Nafcillin or oxacillin or Cefazolin
2. methicillin resistant : Vanco
Left valve endocarditis : S. Viridans, S. Bovis TX
- Penicillin G (ampicillin, ceftriaxone, or vanco if needed)
Left valve endocarditis : enterococcal strain TX
- Penecillin G, ampicillin,
2. Gentamicin (or vanco, ceftriaxone)
Left valve endocarditis : enteroccoci with B-lactam strains TX
- Ampicillin - Sulbactam
or Vanco + gantamicin
Left valve endocarditis : enterococcal resistant to penicillin, vanco, aminoglycosides TX
- Linezolid
OR - Daptomycin
Left valve endocarditis : HACEK bacteria TX
- Ceftriaxone or ampicillin, or ciprofloxacin
Right valve endocarditis : TX
nafcillin
oxacillin
(if uncomplicated)
Amphotericin B clinical use and side effects
- invasive severe fungal infections
2. GI probs, kidney, cns, electrolyte probs
Fluconazole MOA and clinical use + side effect
- X lanosterol –> ergosterol
- anti-fungal great when YEAST (candida*)
- hepatic toxic
Voriconazole MOA and effects what organism
- X lanosterol –> ergosterol
2. Aspergillus
Voriconazole clinical use
- invasive aspergillus
2. fluconazole resistant candida
Voriconazole side effects
hepatotoxic
visual changes and hallucinations
Itraconazole effects what organisms
- aspergillus
2. sporothrix schenckii
Itraconazole clinical use
aspergillus
blastomycosis
histoplasmosis
Sporothrix
CANT take Amphotericin B
Itraconazole side effects
worsening HF
hepatotoxic
caspofungin, micafungin, anidulafungin MOA and clinical use
- inhibit beta-D -glucan
2. invasive candida or resistant to fluconazole
flucytosine clinical use and side effects
- meningitis, crypto, candida, endocarditits, pylo
2. extreme monitoring needed in renal impairment * + hepatic status
endocarditis native valve : candida Tx primary
- amphotericin B + flucytosine
- high does -fungins (IV)
(later go to fluconazole)
endocarditis prosthetic valve : candida Tx primary
- amphotericin B + flucytosine
- high does -fungins (IV)
(later go to fluconazole)
thrombophlebitits : candida Tx primary
- amphotericin B + flucytosine
- high does -fungins (IV)
(later go to fluconazole)
Isoniazid clinical use and side effects
- active or latent TB
2. hepatits (can happen months later), peripheral neuropathy –> give pyroxidine daily
Rifampin (Rifampicin) Clinical use
latent or active TB
pyrazinamide clinical use
TB during pregnancy
or TB + other TB drugs
Ethambutol clinical use
TB with other TB drugs (Pulmonary TB)