Unit 1 Drug Summaries Flashcards
Penicillin G
cell wall syn inhibitor - bacteriCIDAL
IM/IV, renal excretion
gram - cocci
rash, anaphylaxis
Penicillin V
cell wall syn inhibitor- bacteriCIDAL
good po, renal excretion
gram + rods
rash, anaphylaxis
Penicillinase-resistant
cell wall syn inhibit- bacteriCIDAL
po, renal excretion
MSSA, skin infections
rash, anaphylaxis
Amoxicillin
cell wall syn inhibit, bacteriCIDAL
good po, renal excretion
gram - rods, gram + cocci
diarrhea, CDAD possible
Antipseudomonal
cell wall syn inhibit, bacteriCIDAL
IV only, renal excretion
Pseudomonas, Bacteroides
Cephalexin
cell wall syn inhibit, bacteriCIDAL
good po, renal excretion
gram + cocci, gram - rods
diarrhea
Ceflacor, Cefuroxime
cell wall syn inhibit, bacteriCIDAL
good po, renal excretion
gram - rods, Bacteroides
CDAD possible, enhance Warfarin
Cefdinir, Ceftriaxone
cell wall syn inhibit, bacteriCIDAL
good po/CNS penetration, renal
expanded gram - rods
CDAD possible
Vancomycin
cell wall syn inhibit, bacteriCIDAL
poor po, renal excretion
narrow spectrum gram + cocci (MRSA, C. diff)
chills/fever/rash/moniter Cp
Carbapenems
cell wall syn inhibit, bacteriCIDAL
IV, renal excretion
wide-spectrum for multi-drug resist
n/v, diarrhea, seizures
Azythromycin
protein syn inhib (50S) bacteriostatic
po daily, biliary excrete
gram - rods bacilli
GI, DDI: inhib P450 metabolism
Doxycycline
protein syn inhib (30S) bacteriostatic po, renal excretion broad spectrum, CA-MRSA abn bone/tooth develop, fungal infect DDI with metal cations
Minocycline
protein syn inhib (30S) bacteriostatic po,biliary excretion broad spectrum, CA-MRSA abn bone/tooth develop, fungal infect DDI with metal cations
Clindamycin
protein syn inhib (50S) bacteriostatic
good po/IV
narrow spectrum gram + anaerobes CA-MRSA
severe diarrhea/pseudomembranous colitis
Aminoglycoside
protein syn inhib (30S) bacteriCIDAL
IM/IV, accum in ear/kidney, renal excretion
narrow spectrum gram - aerobes
vestibular, auditory, nephrotoxicity
Chloramphenicol
protein syn inhib (50S) bacteriostatic
good po/IV, glucouronidation
broad-spectrum gram -/+
bone marrow toxicity, gray baby syndrome
Oxalidinones
protein syn inhib (50S) bacteriostatic
excellent po/IV, non-enzymatic oxidation
excellent gram + (reserve for multidrug resist)
well tolerated
Streptogamins
protein syn inhib (50S) bacteriostatic
IV only, biliary excretion
excellent gram + (reserve for multidrug resist)
infusion pain/phlebitis, inhibits CYP3A4
Ciprofloxacin
inhibits DNA gyrase, bacteriCIDAL
good po, renal extcretion
excellent gram -
well tolerated, CDAD possible
Levofloxacin
inhibits DNA gyrase, bacteriCIDAL
good po, renal exctretion
excellent gram -/+
well tolerated, CDAD possible
Nitrofurantoin
bacterial DNA damage, bacteriCIDAL
rapid GI, kidney absorp - urinary antiseptic
1st line UTI agent
GI side effects
Metronidazole
interfere w/ bac DNA fxn, bacteriCIDAL
po, hepatic metabolism
aerobic bacteria, protozoa
nausea, headache, GI distress
Sulfamethoxazole/Trimethoprim
inhibit folate metabolism, bacteriCIDAL
good po/IV, hepatic/renal elimination
broad spectrum gram -/+, CA-MRSA
hypersensitivity skin rxns
Isoniazid
inhibit cell wall syn, bacteriCIDAL
po, acytylation metabolism
TB
alleric rxns, hepatotoxicity
Rifampin
inhibit RNA polymerase, bacteriCIDAL
good po, hepatobiliary
TB + other bac
liver inducer, orange-red secretions
Ethambutol
inhibits cell wall syn bacteriCIDAL
po, renal/fecal excretion
TB
optic neuritis
Pyrazinamide
good po, hepatic metabolism
TB
hepatotoxic/hyperuricemia
Streptomycin
protein syn inhibit (30S) bacteriCIDAL
IM
TB
8th nerve toxicity
Amphotericin
forms ergosterol pores - lysis
IV or topical, slow kidney excrete
broad spectrum, systemic infections
fever/chills, nephrotoxicity
Nystatin
forms ergosterol pores - lysis
topical
superficial Candidal infections
well tolerated
Caspofungin
inhibits cell wall syn/assembly
IV infusion, P450 inducers
aspergillosis
rash, pruritus
Fluconazole
selective inhibit fungal P450
IV/po, enters CNS, renal excretion
Candidiasis
well-tolerated
Terbinafine
inhibits squalene oxidase (no ergosterol)
po/topical, hepatic P450 metabolism
onychomycosis of finger/toe nails
inhib CYP450, rash, headache
Flucytosine
inhib fungal thymidylate synthetase
well absorb/distributed, renal excretion
serious cryptococcosis/candidiasis
n/v/skin rashes, bone marrow depression
Griseofulvin
inhibits fungal microtubules, mitosis
poor po, +fatty meal
severe dermatophytosis of skin/hair/nails
hypersensitivity rxn
Acyclovir
inhibits viral DNA polymerase
topical/po/IV
Herpes HSV-1/HSV-2
minor n/v toxicity
Valacyclovir
inhibits viral DNA polymerase
prodrug
Herpes HSV-1/HSV-2
minor n/v toxicity
Entecavir
guanosine analog, inhib DNA polymerase
po, renal excretion
Hepatitis B
well tolerated
Tenofovir
adenosine nucleotide analog, inhib DNA poly
prodrug, kidney excretion
Hepatitis B
well tolerated, HSM with HIV
Interferon-α
inhib mRNA translate, increase degradation
parenterally, renal elimination
Hepatitis B
flu-like symptoms
Ribavirin
inhibits viral RNA polymerase
aerosol/po
RSV / Hepatitis C
systemic toxicity w/ anemia, bone marrow depletion
Telaprevir/Boceprevir
prevents formation of HCV replicase
po w/ food
Hepatitis C
rash, anemia
Sufosbuvir
nucleotide inhib or HCV polymerase
po, renal excretion
Hepatitis C
well tolerated, some fatigue, insomia, nausea
Emtricitabine
inhibits viral reverse transcriptase
po, renal excretion, intracell t1/2 > plasma t1/2
backbone of HIV therapy
best tolerated HIV med
Tenofovir
inhibits viral reverse transcriptase
po, renal excretion, intracell t1/2 > plasma t1/2
backbone of HIV therapy
well tolerated HIV med
Efavirenz
binds noncatalytic site, inhib reverse transcriptase
po,
HIV therapy, always in combo
rash. headache, metabolic DDI’s
Atazanavir
inhibits viral proteases
po, inhib P450 enzymes
HIV + base therapy for 2 NRTI’s
rash, bilirubinemia/jaundice
Darunavir
inhibits viral proteases
po, inhib P450 enzymes
HIV + base therapy for 2 NRTI’s
severe rash/SJ syndrome
Ritonavir
inhibits viral proteases
po, POTENT inhib P450 enzymes
HIV
GI, hepatotoxicity
Raltegravir
inhibs enzyme for viral insertion to DNA
rapid po, hepatic glucuronidation elimination
base therapy wiht 2 NRTI’s
well tolerated, DDI: glucuronidation inducer
Enfuvirtide
prevents HIV fusion with gp41 cell entry
BID SC injection, liver/kidney peptidases
option for HIV pt with drug resistance
injection site inflammation
Maraviroc
block HIV entry to CD4 cells
po, fecal/renal excretion
option for HIV pt with drug resistance
mild GI, HA, URI, DDI with ART to CYP3A4