Urticaria. Flashcards

1
Q

Urticaria. Cronica

A

> 6 sem

Puede ser causada por infecciones ocultas, colagenopatias vasculares, tumores (Linfoma Hodgkin)

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2
Q

Urticaria. Causas.

A

Alergicas

No alegicas

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3
Q

Urticaria. Causas. Productos sanguineos

A

Eritrocitos, plaquetas, Gammaglobulina

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4
Q

Urticaria. Farmacos.

A
Antibioticos (penicilinas, cefalosporinas, silfonamidas, isonizida)
Salicilatos, benzoatos, fenilbutazona
Anticonvulsivos (hidantoina)
QT (Doxorrubicina, daunorrubicina, L-asparginasa, clorambucilo, ciclofosfamida, melfalan, metotrexato, mostazas nitrogenadas, procarbazina)
Dextrano
AINEs
Opioides
Quinidina
Contrastes radiologicos, yoduro
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5
Q

Urticaria. Ambientales.

A

Proteinas animales, formaldehido, polen, moho, plantas, lates, tuberias plasticas, ejercicio, calor, frio, luz solar

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6
Q

Urticaria. Alimentos

A

Bayas, huevos, leche, cacahuates, jitomates, mariscos, soya

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7
Q

Urticaria. Aditivos alimenticios

A

Benzoato de sodio, tartrazina (amarillo #5)

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8
Q

Urticaria. Hormonas

A

Tiroideas, reemplazo hormonal

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9
Q

Urticaria. Infecciones.

A

Estreptococicas, esfailococicas, sinusitis o abscesos, hepatitis, monocucleosis infecciosa, candidiosis

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10
Q

Urticaria. Insectos, mordedura o veneno

A

Himenopteros, mosquitos, pediculosis, escabiosis

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11
Q

Urticaria. Estimulos mecanicos

A

Dermografismo, angioedema vibratorio, urticaria tardia por presion.

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12
Q

Urticaria. Vacunas

A

vacunas

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13
Q

Urticaria. Lesiones.

A

Ronchas rosadas, palidecen con la presion, se elevan de la superficie de la piel.

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14
Q

Urticaria. Colinergica

A

Papulas 2-3mm por el calor o ejercicio

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15
Q

Urticaria. + lesion vascular.

A

Vasculitis leucoclasica

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16
Q

Urticaria. Tx. Leve moderada

A
Anihistaminicos orales (difenhidramina, hidroxicina, cetirizina, loratadina) Montelukast
Persiste. Ciclosporina A, dapsona, omalizumab, antagnistas H2
17
Q

Urticaria. Tx Anafilaxia

A
ABC (intubacion , O2, epinefrina acuosa, expansores de volumen)
Corticoides IV (metilprednosolona)
Antagonistas H1 y H2 (difenhidramina + ranitidina)
18
Q

Urticaria. Tx Severa

A

Antihistaminicos (difenhidramina)

Corticoides (prednisona, trimacinolona, dexametasona)

19
Q

Urticaria idiopatica cronica.

A

Antihistaminicos no sendantes (cetirizina, fexonadina) Con o sin Motelukast, o agonistas H1 y H2 solos o con corticoides a dosis bajas.