GYN/Final: drugs & tx Flashcards
Severe life threatening infections
IV amphotericin B–>DOC
Leishmaniasis
IV amphotericin B
PO and IV Fluconazole
Pentamidine –alternative
systemic mycoses infection
Amphotericin B
Candida Albicans
**Amphotericin B– severe infections only
*fluconazole (PO, IV) esp good if candidemia
IV caspofungin
Aspergillus
- doc
- second line
*Amphotericin B– severe infections only
DOC: Voriconazole
IV Caspofungin SECOND line after failing or intolerant to azole or amphotericin B
Blastomyces
-doc?
*Amphotericin B– severe infections only
**DOC=Itraconazole
Cryptococcus
- initial tx
- maintenance tx
Amphoterin B (+/-) flucytosine (5-FC) THEN change to fluconazole
Maintenance: fluconazole 6-12 MO in pt with or without AIDS
*Amphotericin B– severe infections only
Histoplasmosis
- DOC
- others
DOC for severe requiring hospitalization=Amphotericin B IV–>then switch to itraconazole once stable and afebrile
FOR EXAM: ALWAYS ANSWER ITRACONAZOLE
Candidiasis-
- first line for invasive?
- cutaneous?
- esophageal–DOC?
- thrush/oral
- systemic/invasive
oral, esophageal and cutaneous— **Nystatin (oral suspension, cream, ointment, powder)
*clotrimazole=PO, cutaneous and vaginal
**DOC for esophageal=FLuconazole
*Miconazole=oral and vaginal
INVASIVE INFECTION IN IMMUNO COMP PT=IV caspofungin–DOC **
esophageal in immuno comp use IV caspofungin first line
Cutaneous=Ciclopirox–cream, gel, suspension
thrush
DOC
others
DOC= Nystatin swish and spit— if not compliant than PO
- Fluconazole PO
- Fenoconazole PO
- Clotrimazole pouches
Nystatin-swish and spit/swallow
Coccoides
*fluconazole PO or IV
Candida glabrata
Voriconazole
IV caspofungin
Candida Krusei
Voriconazole
IV caspofungin
Tinea spp.
Clotrimazole
Miconazole
Trichophyton rubrum
Efinaconazole x48 weeks
PO terbinafine X3MO
Trichophyton mentagrophytes
Eficonazole x48 weeks
PO terbinafine x30MO
Dermatophyte onychomycoses
- doc
- other options
DOC=PO terbinafine*******
Ciclopirox nail lacquer formation
PO Griseofulvin for 6-12MO
topical Tavaborole
Tinea Capitis
PO terbinafine
Topical terbinafine
Ciclopirox–cream, gel, suspension
Tinea cruris
Topical terbinafine
Ciclopirox–cream, gel, suspension
topical Tavaborole
Tinea versicolor
topical terbinafine
Ciclopirox–cream, gel, suspension
tinea pedis
topical terbinafine
Ciclopirox–cream, gel, suspension
topical Tavaborole
neutropenic fever
IV caspofungin
fluconazole resistant Candida glabrata and C. krusei
Echinocandins aka Caspofungin
Cryptococcal meningitis
Amphotericin B + 5-FC (Flucytosine)
INTRA-FECAL ONLY** cannot do IV because amphotericin does not cross CNS IV
*Fluconazole IV
Candiduria
- pharmacotx if persistent*
- ->fluconazole PO 7-14 days
OTHER:
5-FC/Flucytosine
chromoblastomycosis
5-FC
Flucytosine
dermatophytosis of scalp + hair
Griseofluvin
Seborrheic dermatitis
Ciclopirox shampoo
tinea corporis
topical Tavaborole
Imidazoles
- clotrimazole
- miconazole
- Efinaconazole
Esophageal candidiasis
- Fluconazole daily x14-21 days
- Fluconazole IV or Caspofungin for interolerance to PO therapy
*use PO itraconazole, PO/IV Voriconazole or Caspofungin for strains refractory to fluconazole
Vulvovaginal Cadidiasis
- Fluconazole PO
- Clotrimazole vaginally
- miconazole vaginally
PO is the same as above
Candidemia
1st line
-other
-when to discontinue tx?
1st line: Echinocandin–>Caspofungin IV
others:
* Fluconazole PO/IV for less severe disease
***tx should continue 2 weeks after last positive blood culture and s/s resolution
Bacterial vaginosis
metronidazole
Gardnerella vaginalis
metronidazole
Bacteriodes fragilis
metronidazole
CLostridium perfinges
metronidazole
C. Diff (not first line)
metronidazole
H. pylori
metronidazole
Ambeiasis-entamoeba histolytica
metronidazole
tinidazole
Giardiasis
metronidazole
tinidazole
amebic liver abscess
Tinidazole
metronidazole + Chloroquine*
trichomonas
Tinidazole
Metronidazole
invasive intestinal or extraintestinal amebic dz
Tinidazole
Metronidazole
aka the mixed agents
Asymptomatic colonization state of amebic dz
LUMINAL drugs: Iodoquinol or Paromycin
E. Histolytica
Mixed: metronidazole or Tinidazole
THEN use a luminal agent—-> Iodoquinol or Paromycin
If its extraintestinal infection or intestinal wall infection– need a systemic amebicide–> Chloroqine or dehydroemetine
extraintestinal amebiasis and/or intestinal wall infeection
SYSTEMIC drugs– chloroquine or dehydroemetine
Malaria prophylaxis
-DOC
sensitive area=Primaquine
Resistant areas=Mefloquine
Malaria
- general drugs to use
- P. vivax
- P. ovale
- P. falciparum
- sensitive areas DOC
- resistant areas DOC
-Primaquine
- Chloroquine–does NOT eradicate hepatic stages
- *use with Primaquine for Plasmodium vivax and P. ovale
Atovaquone-proguanil for resistant strains P. falciparum (erythrocytic and hepatic stages) can be used for tx and prevention
Mefloquine
Artemisinins–multi drug resistance of P. falciparum
Pyrimethamine + Sulfadoxine
sensitive area DOC=Chloroquine
Resistant areas DOC= Atovaquone-Proguanil
Plasmodium falciparum DOC
*others
Chloroquine–DOC
Atovaquone-proguanil for chloroquine resistant strains (erythrocytic and hepatic stages)
Quinine– not first line
Liver forms of plasmodia DOC
Primaquine
Prevention of relapse for P. vivax and P. ovale
Primaquine
Babesia
Atovaquone-proguanil
Pneumocystis jirovecci
Atovaquone-proguanil
Pentamidine— used as alternative when sulfa allergy present
malaria prophylaxis
- sensitive area
- resistant area
sensitive area=Primaquine
Resistant area=Methloquine
multi-drug resistant P. falciparum
Artemisinins + another agent —–>DOC
Toxoplasmosis Gondii
Pyrimethamine + Sulfadiazine
early stages of African Sleeping Sickness
Suramin IV
Pentamidine IV, IM, Neb
Late stage of African sleeping sickness
Melosoprol
Chagas dz
- Benznidazole– better tolerated
2. Nifurtimox
Respiratory viruses
- pref tx
- others
- vaccination is preferred method*
* other: Neuraminidase inhibitors
Influenza A, B, **
and RSV
Neuraminidase inhibitors
- Oseltamivir
- Zanamivir
- has to be within 48 hrs of s/s**
RSV
Ribavirin–PO or INH
Active Acute Hep B
Nucleoside Reverse Transcript Inhibitors (NRTIs)
**Lamivudine
Tenofovir
Entecavir
Ribavirin
Chronic Hep B
- Interferons: alpha, beta, gamma and pegylated***
- -> Peginterferon alfa-2
NRTIs:
Tenofovir (NRTI)
Entecavir
Ribavirin
Lamivudine resistant strains of HBV infection
Entecavir
Hep C
Ledipasvir-Sofobuvir NS5A replication complex inhibitor + Protease inhibitor
Ribavirin and Interforn are older txs
Chronic Hep C
Ribavirin
Herpes Viruses in general
- Acyclovir
- Cidofovir
- Foscarnet
- ganciclovir
HSV encephalitis
-TOC
TOC= acyclovir
Genital Herpes
MC used=Acyclovir
CMV retinitis in pts with AIDS
-other immunocomp
- Cidofovir–AIDS
* Foscarnet–other immunocomp
how to decr incidence rate of nephrotoxicty with IV Cidofovir
IV NSS + PO probenecid
Acyclovir HSV infections
Foscarnet
CMV
- greatest efficacy?
- others
Ganciclovir (»»efficacy)
Acyclovir
OTHERS
- Cidofovir—AIDS + CMV
- Foscarnet–OTHER IMMUNO + CMV
CMV prophylaxis in transplant PT
Ganciclovir
TX for AIDS in NAIVE patients
1st line
2nd line
1st= 2 diff NRTIs + INSTI and CD4 monitoring
2nd= PI + 2 NRTIs
DOC esophageal candida
Fluconazole
DOC for a non-compliant pt with vaginal candida
one dose fluconazole PO
Candidemia (candida in blood)
1st and 2nd choices
IV caspofungin **** first choice
second choice=fluconazole IV
PT wanting an OCP but has acne
combination estrogen + prgesterones of either Norgestimate or Drospirenone
termination of pregnancy
PO—Combo of
- Mifepristone (progesterone antag)
- Misoprostol (prostaglandin analog)– causes uterine contractions
BCA
Tamoxifen
BCA prophylaxis in high risk PT
Tamoxifen
post-menopausal osteoporosis
Raloxifene
anovulation
Clomiphene
BPH
Finasteride
Prostate CA
FLutamide