web analytics
medical decision support 1 medical decision support 2
Sign In

Adverse Drug Reaction Probability Scale

Purpose: To evaluate a drug as the cause of an adverse reaction in a patient using the score of Naranjo et al.

Evaluation

Are you evaluating a drug as the cause for an adverse reaction in a patient?

Select the appropriate answer for each question

Are there previous conclusive reports on this reaction?

Did the adverse event appear after the suspected drug was administered?

Did the adverse reaction improve when the drug was discontinued or a specific antagonist was administered?

Did the adverse reaction reappear when the drug was readministered?

Are there alternative causes (other than the drug) that could have caused the reaction on their own?

Did the reaction reappear when a placebo was given?

Was the drug detected in the blood (or other fluids) in concentrations known to be toxic?

Was the reaction more severe when the dose was increased or less severe when the dose was decreased?

Did the patient have a similar reaction to the same or similar drug in any previous exposure?

Was the adverse event confirmed by any objective evidence?

Results

Please fill out required fields.

Specialty

Objective

ICD-10