Drug Eruptions: Diagnosis

Question 1

Drug Reaction CRITERIA

Answer 1

1. Temporal relationship between drug
exposure and reaction
2. Recognized response to suspected drug
3. Improvement after drug withdrawal
4. Recurrence of reaction on re-challenge
with the drug

Question 2

Definite drug reaction

Answer 2

requires all 4 criteria

to be met

Question 3

Probable drug reaction

Answer 3

requires #1-3 to

be met

Question 4

Possible drug reaction

Answer 4

Possible drug reaction requires only #1

Question 5

Drug Hypersensitivity Syndrome Triad

Answer 5

• Fever
• Exanthematous eruption
• Internal organ involvement