Essential Anti-infectives, STIs, drug classes, and abx guide Flashcards
Examples of PCNs
PCNs are bactericidal
Examples
Ampicillin, Amoxicillin, PCN G, Naficillin, Piperacillin-tazobactam
Examples of Beta lactamase inhibitors that are combined with PCNs
Clavulanic acid
Sulbactam
Tazobactam
First line treatment for Syphilis
PCN G 2.4 millions units IM x 1
Two treatment options for Syphilis in those with a PCN allergy
Doxycycline 100mg BID x 14 days
or
Tetracycline 500mg QID
hint* both are tetracyclines
Latent Syphilis medication management
PNC G 2.4 million units IM weekly x 3 weeks
MRSA is resistant to all drugs in these classes
PCNs and Cephalosporins
1st generation Cephalosporins
Cefazolin
Cephalexin
2nd Generation Cephalosporins
Cefuroxime (Ceftin)
Cefotetan
3rd generation Cephalosporins
Ceftazidime Cefdinir Cefpodoxime Cefixime Cefotaxime Ceftriaxone
4th generation Cephalosporin
Cefepime
5th generation Cephalosporin
Ceftaroline
Gonorrhea treatment options both IM and PO
Ceftriaxone 250mg IM x1
or
Cefixime 400mg PO x1
Gonorrhea is resistant to this drug class
fluoroquinolones
Chlamydia
Azithromycin 1G PO x1
or
Doxycycline 100mg BID x 7 days
Chancroid
Azithromycin 1G PO x1 or Ceftriaxone 250mg IM or Ciprofloxacin 500mg PO BID x3 days or Erythromycin 500mg PO TID x 7 days
Granuloma Inguinale
and
Lymphogranuloma venereum
Doxycycline 100mg BID x 3 weeks
pregnant Lymphogranuloma venereum
Erythromycin
Bacterial Vaginosis
Metronidazole 500mg PO BID x 7 days or Metronidazole gel once daily x 5 days or Clindamycin cream x 7 days
Vulvovaginal candidiasis can be treated with this class
azoles
Genital Herpes
Acyclovir
Famciclovir
Valacyclovir
HPV genital warts
Podofilox 0.5%
or
Imiquimod 5% cream
provide
cryotherapy, cryoprobe, resin, acid
Trichomoniasis
Metronidazole 2G PO x1 or Tinidazole 2G PO x1 also Metronidazole 500mg BID x 7 days
Patients on Metronidazole should avoid ____
ETOH
Genital lice
Permethrin 1% lotion, shampoo
reapplied in seven days if evidence of lice
Scabies
Permethrin 5%
or
Lindane
Ivermectin if failure of topical medication
PID
Ceftriaxone 250mg IM and Doxycycline 100mg BID x 14 days and Metronidazole 500mg BID x 14 days
Cytolytic vaginosis
intravaginal sodium bicarb
twice weekly in last month of cycle
Ceftriaxone 250mg IM x1 useful for treatment in
part of a multidrug regime for PID also including Flagyl and Doxy
1st line treatment for Gonorrhea
an option for treatment of chancroids
PID
Gonorrhea
chancroids
Azithromycin 1G PO x1
Chlamydia
Chancroid
Examples of Carbapenems
Imipenem-cilastatin
Meropenem
Ertapenem
Doripenem
Example of Monobactam
Aztreonam (septicemia)
In order to avoid the ototoxicity and nephrotoxicity of the aminoglycosides or the 3rd generation Cephalosporins, ______ (drug class) such as _____ may be used
Monobactams
Aztreonam
C. Diff
1st
2nd
3rd line treatments
Metronidazole
Vancomycin
Fidaxomicin or Rifaximin
Macrolides Examples
Erythromycin
Azithromycin
Clarithromycin
Fidaxomicin
Azithromycin causes arrythmias when given with this 1st generation antipsychotic
Pimozide
Lincosamide example
Clindamycin
Clindamycin is notable for causing this ADR
pseudomembranous colitis
This class of drug (give example) should be given no more than 7-10 days due to oto and nephrotoxicity
aminoglycosides (Gentamicin)
Linezolid is a ____ (drug class)
Oxazolidinone
MRSA treatment
Bactrim, Clindamycin, Doxycycline
Linezolid, Vancomycin
Tetracycline examples
Doxycycline
Tetracycline
Minocycline
Tetracyclines are 1st line treatments in
RMSF Chlamydia trachomatis Syphilis Lyme H. Pylori Severe acne animal bites anthrax prophylaxis
_______ (drug name) is the 1st line of treatment for H. Pylori
Clarithromycin (Biaxim)
Some notable ADRs of tetracyclines include
yellow teeth
do not give in pregnant lactation or children <8
hepatic and renal toxicity
photosensitivity
When taking tetracyclines, it is important to ____
take them without milk, antacids etc
UTI by E. Coli, Proteus and Klebsiella are treated with this drug class
Sulfonamide
When managing a patient on long term sulfonamides, it is important to monitor their ____
CBC
Pts with a G6PD deficiency should avoid this drug class
sulfonamides
Trimethoprim leads to several adverse effects such as
hyperkalemia birth defects pancytopenia 2/2 folate deficiency kernicterus photosensitivity decreased effect of contraceptives hypoglycemia
After prescribed this drug, the provider instructed the pt to drink at least 3L of water daily
Trimethoprim
This urinary antiseptic is indicated in ESBL
nitrofurantoin
This urinary antiseptic can cause harmless orange urine, but must be discontinued if the patient develops yellowing skin
Phenazopyridine
Examples of Fluoroquinolones
Ciprofloxacin, Levofloxacin, Moxifloxacin
This drug class is contraindicated in those with myasthenia gravis
fluoroquinolones
An example of the class of antifungals called polyene is
amphotericin B
An example of an azole (antifungal) is
fluconazole
An example of an Echinocandin (antifungal) is
Caspofungin
An example of a pyrimidine analog (antifungal) is
Flucytosine (Ancoban)