Treatment of GIT infections Flashcards
Antagonistic drug combination against Enterobacteriaceae
Aminoglycoside and chloramphenicol
Antagonistic drug combination against strep pneumoniae
Broad spectrum penicillin and chloramphenicol
Antagonistic drug combination against gram negative bacilli
Broad spectrum penicillin and imipenem
Synergistic drug combination against enterococci
Aminoglycoside and ampicillin or penicillin G
Synergistic drug combinations against gram negative bacilli
Aminoglycoside and broad spectrum penicillin
Aminoglycoside and cephalosporin
Synergistic drug combination against Cryptococcus neoformans
Amphotericin B and flucytosine
Synergistic drug combination against staphylococci
Vancomycin and aminoglycoside
Synergistic drug combination against HIV
Reverse transcriptase inhibitor and protease inhibitor
Treatment for Bacillus cereus GIT infection
No antimicrobial therapy, supportive care
Treatment for severe C jejuni gastroenteritis
Erythromycin
Ciprofloxacin
Treatment for severe cholera
Tetracyclines
Azithromycin
Treatment for pseudomembranous colitis
Metronidazole
Vancomycin
Treatment for C perfringens GIT infection
No antimicrobial treatment, supportive care
E coli strains where treatment with antimicrobial is not recommended
EIEC
EHEC
Possible treatments for ETEC and EPEC
Fluoroquinolones
Doxycycline
Rifaximin
TMP-SMZ
Treatment for severe salmonellosis
Fluoroquinolones
Ampicillin
Treatment for shigella dysentery
Ciprofloxacin
Azithromycin
Treatments for typhoid fever
Fluoroquinolones
Ceftriaxone
Azithromycin
Treatment for severe Yersinia gastroenteritis
Fluoroquinolones
Aminoglycosides
Treatments for ANUG
Amoxicillin + metronidazole
Clindamycin
Doxycycline
Oral hygiene
Treatment for actinomycosis
Penicillin G
Surgery
How to estimate fluid replacement?
Difference between pt’s normal weight and weight at presentation
Oral rehydration solution
1/2 tsp salt
6 tsp sugar
1 L water
Empiric treatment choice for acute diarrhea
Azithromycin or fluoroquinolone
Empiric treatment choices for traveler’s diarrhea
Fluoroquinolone
Azithromycin
Rifaximin
Indications for empiric treatment in acute diarrhea
Severe disease
Bloody or mucoid stools –> suggestive of invasive infection
Advanced pt age
Comorbidities
Antimicrobial used to prevent carrier state in diphtheria
Penicillin G
Drug combination that causes sequential block of bacterial folate mechanism
Trimethroprim and sulfamethoxazole
Mechanism of fluoroquinolones
Inhibit bacterial topoisomerase II and topoisomerase IV –> inhibiting DNA synthesis
Side effects of fluoroquinolones
Tendonitis and tendon rupture
Contraindicated in children
Side effects of aminoglycosides
Nephrotoxicity
Ototoxicity
Neuromuscular blockade
Side effect of clindamycin
Pseudomembranous colitis
Side effects of vancomycin
Red man syndrome
Ototoxicity
Nephrotoxicity
Antimicrobial that suppresses bacterial ammonia formation and is used for prevention of hepatic encephalopathy
Rifaximin
Drugs effective on tissue amebiasis
Chloroquine
Emetines
Metronidazole
Tinidazole
Drugs effective on luminal amebiasis
Diloxanide furoate
Iodoquinol
Paromomycin