Pharm2TCN/Macrolides/A/G Flashcards
(40 cards)
TCNs primarily for infix that can’t be tx with ?
B lactams
tcn 1st line for helicobacter?
tetra, also tx acne
tigecycline can tx ? which is ?
MDR gram pos cocci, bac resistant to TCN
also Tx MRSA, VRSA, VRE, bacteroides
TCN resistance via?
efflux pump
tcn forms ? with cations so oral absorptions is decreased with ingestion of ? and ?
chelates
dairy foods, antacids (Ca, Mg, Al, Fe)
TCN- CI in?
- s/e ?
- expired/outdated drugs?
pregnancy, breastfeeding, children <8
GI, phototoxicity, esophageal ulcers
Fanconi syndrome
TCN
SOA:
G- aerobes, G- and + anaerobes» BROADEST
DOES NOT Tx G+ aerobes but tigecycline will!!
Mino eradicates ? and Tx? (2)
-concentrates in ?
N. meningitis (carrier), Nocardia, acne
-tears & saliva
general s/e of tcn?
fetal teeth discoloration, bone formation
macrolide- Pen G sub in allergy?
erythro
1st line for chanchroid & diphtheria?
erythro
clarithro- more ? activity; 1st line for ?
IC activity, MAI complex
azithro- more activity against ? and ?
H&M; haemophilus, moraxella
macrolides safe in?
pregnancy, children
macrolides do not tx?
meningitis (don’t cross BBB)
macrolide resistance:
G+?
G-?
altered target site
inactivated by plasmid-associated esterase
ALL macrolides tx?
ALL are 1st line for?
pen-resistant S. pyogenes
diphtheria
clarithromycin ? w/ food
increases absorption (erythro & azithro opposite)
1st line for MAI, chlamydia pneum, diphtheria?
clarithro
DOC - 1 dose for trachomatis
1st line diphtheria, legionnaires
azithro
strept pneum resistant to ALL macrolides- Tx w/ ?
telithromycin (ketolide)
telithro binds to ?
2 sites on 50s
telithro:
only tx ? bc of liver damage
s/e?
CI?
CAP (resistant to macrolides)
jaundice, PROLONGED QT
<18
a/g are bacterioCIDAL b/c they ?
inhibit protein synthesis IRREVERSIBLY