L.9 Diagnosis and Management of Drug Allergy Flashcards

1
Q

Adverse drug reaction

A

efek yang tidak diinginkan pad dosis prevensi, diagnosis, dan terapi

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2
Q

ADR paling banyak ditemukan di organ

A

Kulit

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3
Q

ADR terbanyak kedua gejalanya bersifat

A

Sistemik (nyeri labung, nyeri dada, etc)

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4
Q

ADR pada kulit juga disebut

A

Drug eruption

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5
Q

Obat paling banyak menyebabkan ADR di RS

A

NSAID

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6
Q

ADR Reaksi tipe A bersifat

A

Sering terjadi, dapat diprediksi

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7
Q

Contoh reaksi ADR tipe A. CTM?

A

Anti alergi, ADR mengantuk

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8
Q

ADR tipe A contoh. Aspirin

A

Nyeri lambung

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9
Q

ADR reaksi tipe A disebabkan oleh

A

Kerja farmakologis obat

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10
Q

Persentasi Adr tipe A

A

75-80%

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11
Q

ADR reaksi tipe B sifatnya

A

Tidak dapat diprediksi. Sedikit jumlahnya (20%)

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12
Q

ADR tipe B disebabkan oleh

A

Respon tubuh terhadap obat

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13
Q

Efek dosis terhadap ADR reaksi tipe A

A

Dose-dependent

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14
Q

Efek sosi terhadap ADR tipe B

A

dose independent. pada dosis sangat kecil pun dapat muncul

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15
Q

Reaksi tipe B ada mekanisme

A

Hipersensitivitas obat

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16
Q

drug allergy termasuk tipe ADR reaksi tipe

A

B

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17
Q

Drug hipersensitivity dibagi jadi 2 yaitu

A

Drug allergy dan non allergic hipersensitivity

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18
Q

Drug allergy dibagi jadi

A

IgE mediated dan. non IgE mediated

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19
Q

Non allergic hypersensitivity juga dikenal sebagai

A

Pseudoallergy

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20
Q

Pseudoalergy/ non allergic hypersensitivity disebabkan oleh

A

Non specific histamine release,
arachidonic pathway activation,
bradykinin pathway activation,
complement activation

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21
Q

Alergi obat dimediasi IgE dan tidak dimediasi IgE bedanya

A

Dimediasi IgE ; kerja cepat. beberapa menit kemudian muncul
Tidak dimediasi IgE ; kerja lambat. Misal 2 minggu kemudian baru muncul

22
Q

contoh psudoalergi sering ditemui pada kontak terhadap

A

kontras radiologi

23
Q

Penyebab drug eruotion terbanyak

A

Antibiotik : penicillin, sulfonamide, cephalosporin, tertracycline

24
Q

Penyebab drug allergy terbanyak kedua

A

NSAID: aspirin, asmef, paracetamol

25
Penyebab drug eruption terbanyak ketiga
Steroid; obat anti alergi dgn efek samping
26
Penyebab drug eruption antikonvulsan
fenitoin, carbamazepin
27
Penyebab drueruption obat HIV
Antiretroviral
28
Penyebab drug eruption analgetik
Paracetamol
29
Penyebab drug eruption antituberkulosis
OAT
30
Klasifikasi alergi obat ada 2 dari mekanisme dan onset. untuk mekanisme imunologi
tipe I - IV Gell & Coombs
31
OKlasifikasi alergi obat berdasarkan onset
Immediate : gejala muncul <1 jam setelah administrasi Delayed : muncul > 1 jam (biasanya 6 jam)
32
Immediiate drug alergi diperantarai … sedangkan non immediate diperantarai …
IgE, T-Cell
33
Gejala yang timbul pada immediate drug allergy
Urticaria, angioedema, rhinitis, bronchospasm, shock anafilaksis
34
Gejala yang timbul pada non immediate drug allergy
Maculopapular eruption, bullous exanthem, SIS/TEN, DRESS, AGEP
35
Gambaran klinis alergi obat ada yang berupa manifestasi kulit dan manifestasi sistemik. Manifestasi kulit dibagi jadi
Mild dan severe
36
Manifestasi kulit mild antara lain
Makulopapular Urtikaria Fixed drug eruption Contact allergy Photodermatitis
37
Manifestasi kulit severe antara lain
Steven johnson syndrome, TEN, AGEP, DHS/DRESS
38
Erupsi makulopapuler/morbiliformis penyembuhan?
Spontan, terutama setelah obat dihentikan
39
Pola penyebaran erupsimakulopapuler
Sentrifugal (badan ke ekstremitas). lesi bisa bergabung
40
erupsi makulopapuler demam?
ya, tapi tidiak tinggi. disertai pruritus
41
penyebab umum erupsi makulopapuler
allopurinol, aminopenicillin, cephalosporin, antiepilepsi, sulfonamide
42
diagnosis banding erupsi makulopapuler
infeksi virus
43
Urticaria/ Angioedema adala
Urti : lesi menonjol, tengah pucat, batas tak tegas, ada lesi pseudopodia Angioedema : bengkak terlokalisir di satu tempat, biasa di loose tissue (kelopak mata, bibir, genital, glottis)
44
Angioedema dimediasi oleh
IgE
45
Urtikaria merupakan alergi obat berdasarkan onsel?
immediate, muncul menit-jam, hilang juga cepat
46
Urtikaria disertai angioedema ditemui pada … % kasus
50
47
Fised drug eruption adalah
Erupsi yang timbul berulang di tempat yang sama setelah konsumsi obat. Lokasi dapat bertambah semakin sering paparan obat
48
Tampakan fixed drug eruption
plak berbertuk bulat/ oval, eritema, bullous, batas tegas
49
Kapan fixed drug eruption timbul
30 menit-8 jam delayed
50
Dimana fixe drug eruption sering muncul
Perioral Periorbital Geniital Membran mukosa oral (sering di membran mukosa)
51
Fixed drug eruption munculnya gimana?
awalnay berupa plak/patch eritem -> bula-> bula kena gesekan -> bula pecah, keliatan erosi
52
Steven Johnson Syndrome