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8 Cards in this Set

  • Front
  • Back
Spectru de actiune
streptococcus pyogenes, viridans, penumoniae
N. meningitidis
bacilul difteric, carbunos
listeria monocytogenes
borellia
leptospire
spirochete
anaerobi: clostridii cu exceptia Cl. difficile, actynomices, peptostreptococi
bacteroides spp cu exceptia B. fragilis

activitate scazuta pe enterococi
Farmacocinetica
T injumatatire= 30 min, 7-10 h in insuf renala
● Patrunde bine in : sinovie, pleura, pericard, ascita, bila
Se elimina sub forma activa renal--> filtrare si secretie tub activa
● Patrunde moderat: in LCR (creste permeabilitatea in meningele inflamat), in lichidul amniotic
● NU patrunde/ conc scazute: os, creier, articulatii, umoare apoasa, lapte matern
Penicilina G , posologie
Se gaseste sub forma sodica sau potasica

~un flacon 1 MU contine 100 mg Na si 65 mg K !!!- HTA si insuf ren.
~ dizolvarea 1 MU in 10 ml ser fiziologic
!!!- nu in ser glucozat ( inactiv penicilina), nu se amesteca cu alt medicament

Posologie:
• copii: 50.000- 200.000 u/ kgc/zi pana la 400.000 u/kgc/zi

• adult: 2-24 MU, in fct de gravitatea afect, repartizata in 4-6 doze egale, la 4-6 h interval.
》Doze mari:
12- 24 MU in meningitele meningococice, pneumococice
30-40 MU in inf cu clostridii, endocardite streptococice
》Doze mici: angine streptococice
scarlatina
》Doze medii: pneumonii pneumococice ( sensib la penicilina)

• nou-nascut: 50-150000 u/kgc/zi repartizate in 2-3 doze
• pac cu insuf renala severa, Cl Cr < 10 ml/min : max 1,6 MU la 6h
Peniciline semidepozit/ depozit - Procainpenicilina
DC - Efitard, fl 600000 unitati

- admin in inf cu germ sensib, usoare sau medii
- strict i.m !! la 12 h

!!! prepartul cu cela mai mare risc de alergii prin peniciline si procaina

indicatii: 》sifilis
》profilaxia RAA

doze copii: 25- 50000 U/ kgc/zi
Benzathinbenzylpenicilina ( Moldamin, Extencilin, Retarpen)
copii : flacoane de 600000 U
adult: flacoane de 1,2MU / 2,4 MU la 1-2 saptamani

!! admin strict i.m
Peniciline orale: Penicilina V ( phenoximethylpenicilina)
Ospen, Oracilline, Betapen, Penapar- suspensie uz pediatric/tablete

~infectii usoare si medii
• angine streptococice
• Erizipel

Sunt rezistente in mediul gastric, admin la distanta de alimente: 30 min inainte de masa sau 2h dupa masa

1 MU echivalentul a 600 mg subst activa
doza adult: 4 MU / zi in 4 prize la 6 ore
copii: 25- 50 mg/ kgc/zi


Indicatii terapeutice peniciline:
Angine acute streptococice, scarlatina, 7 zile cu moldaminizare la sf terapiei, la 7 si 14 zile
Angina Plaut Vincent
Erizipel streptococic
Gangrena gazoasa 250 - 300000 U/kgc/zi
Sepsis cu clostridium perfringes
Pneumonia cu pneumococ sensibil la penicilina PSSP nesupurata
Meningita meningococica, pneumococica cu tulpini penicilinosensib
Sifilis primar sau secundar
Rujetul sau erizipeloid, 10 zile
Actinomicoza 10-20 MU PG, 6 sapt
Leptospiroza, 7-10 zile

Endocardita cu strepto. viridans, 30 zile, cu enterococ 40 zile, doze de 30-40 MU/zi, primele 14 zille+ gentamicina

Profilaxia RAA, endocarditei infectioase in tratam stomatologice la pac cu risc

Profilaxia la splenectomizati
Efecte secundare peniciline
○ Cele mai severe---> mecanism imunoalergic
》socul anafilactic
》edem Quinke, masuri terap de max urgenta
》urticarie prin Ig E

○ 95% din r alergice sunt mediate cel sau prin complexe imune circulante CIC :
• exantem maculopapulos
•vasculite
•citopenie
•febra
•boala serului

○ In administrarile parenterale: flebite, necroze
○ Encefalopatie, convulsii --->c.i admin intratechala
○ Risc de emboliiarteriale sau venoase la admin i.m
○ Tulburari dispeptice pt peniciline orale: varsaturi, greata