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Farmacologia clínica e 
terapêutica 
 
Prof(a). Dra. Mariana Volpato Junqueira 
ANTIMICROBIANO 
2 
▰ Identificação do m.o. ▰ Suscetibilidade do m.o. ao 
fármaco ▰ Local de infecção ▰ Fatores do paciente ▰ Segurança do fármaco ▰ Custo do tratamento 
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▰ Gravidez: todos os AM atravessam a barreira placentária  
resolução do problema x efeitos adversos ▰ Categoria de fármacos na gestação: A, B, C, D e X ▰ Lactação: todos os AM são excretados no leite materno ▰ Interação com álcool: efeito dissulfiram (metronidazol e 
cefalosporinas) ▰ Interação com anticonceptivos orais: redução da microbiota que 
faz o reativamento do estrogênio 
 
Resistência bacteriana 
4 
▰ RDC n° 44/2010: dispensação mediante retenção de receita comum ou de 
controle especial, em 2 vias ▰ Aumento de episódios de resistência bacteriana ▰ Mau uso de antimicrobianos 
 ▰ Intrínseca ou natural ▻ Sem risco à terapêutica ▻ Previsível 
5 
▰ Adquirida  PERIGO!!! ▻ Alteração genética: mutações espontâneas ▻ Expressão alterada de proteínas: ▻ alteração de receptor ▻ diminuição da permeabilidade ▻ aumento do efluxo ▻ enzimas inativadoras 
 
Inibidores da parede celular 
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▰ PENICILINAS  menor toxicidade para o hospedeiro e mais eficaz 
[benzilpenicilina, amoxicilina, meticilina, ampicilina] 
 ▰ CEFALOSPORINAS  1 a 4ª geração  alteração do espectro de ação 
[cefalexina, cefamicina, cefoperazona, cefepima] 
 ▰ MONOBACTAMOS  gram negativos aeróbicos [aztreonam] 
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▰ INIBIDORES DA b-LACTAMASE  associados com penicilinas 
[ácido clavulânico] 
 ▰ CARBAPENEMOS  associação com cilastatina [imipenem] 
 ▰ VANCOMICINA  bactérias gram positivos resistentes b-lactâmicos 
 ▰ BACITRACINA  uso tópico  nefrotóxico 
 
Inibidores da síntese proteica 
8 
▰ Ligação na unidade 30S e 50S do cromossomo 
 ▰ TETRACICLINA  [tetraciclina] ▰ MACROLIDEOS  [eritromicina, claritromicina, azitromicina ] ▰ AMINOGLICOSIDEOS  [neomicina, gentamicina] 
Outros 
9 
▰ Fármacos anti-folato ▻ SULFONAMIDAS ▻ TRIMETOPRIMA 
 ▰ Inibidores da DNA-girasse ▻ FLUOROQUINOLONAS 
 
ANTIFÚNGICOS 
10 
▰ Infecções sistêmicas ▻ ANFOTERICINA B ▻ AZOIS  [cetoconazol, miconazol] ▻ FLUCITOSINA ▻ GRISEOFLUVINA 
 
▰ Infecção tópica ▻ NISTATINA ▻ MICONAZOL ▻ CETOCONAZOL 
 
11 
KATZUNG, B.G.; TREVOR, A.J. Farmacologia básica e clínica. 13 ed. Porto Alegre: 
AMGH, 2017 
RANG, H.P.; RITTER, J.M.; FLOWER, R.J.; HENDERSON, G. Rang & Dale: farmacologia. 
8 ed. Rio de Janeiro: Elsevier, 2016. 
WHALEN, K.; FINKEL, R.; PANAVELLI, T.A. Farmacologia Ilustrada. 6 ed. Porto 
Alegre: Artmed, 2016. 
Imagem Slide 2: https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-
health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview 
REFERÊNCIAS 
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
https://pt.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine/antibiotics-and-antibiotic-resistance/a/antibiotics-an-overview
12 
Obrigado(a)! 
Mariana Volpato Junqueira 
Contato: @profa.mariana.volpato

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