NexVigilant Naranjo Causality Assessment
Complete the 10-question Naranjo Adverse Drug Reaction Probability Scale to assess causality between a drug and an adverse event. Returns a total score and classification: Definite (>=9), Probable (5-8), Possible (1-4), or Doubtful (<=0). Built by NexVigilant (https://nexvigilant.com) — Empowerment Through Vigilance. DISCLAIMER: This WebMCP configuration was developed by NexVigilant, LLC and is provided as a community resource to assist AI agents in navigating pharmacovigilance tools. NexVigilant is not responsible for, and does not officially endorse third-party use of this configuration, and expressly disclaims any and all liability for damages of any kind arising out of the use, reference to, or reliance upon any information or actions performed through this resource. No guarantee is provided that the content is correct, accurate, complete, up-to-date, or that the underlying site structure has not changed. This tool is for educational and professional development purposes only and does not constitute medical or regulatory advice. Built by NexVigilant (https://nexvigilant.com) — Empowerment Through Vigilance.
Tools (2)2 verified
assess-naranjo-causalitymulti-stepverified
by MatthewCampCorp
Complete the 10-question Naranjo causality assessment by answering Yes/No/DontKnow for each question. Returns a total score and causality classification (Definite >= 9, Probable 5-8, Possible 1-4, Doubtful <= 0).
Input Schema
{
"type": "object",
"required": [
"q1",
"q2",
"q3",
"q4",
"q5",
"q6",
"q7",
"q8",
"q9",
"q10"
],
"properties": {
"q1": {
"enum": [
"yes",
"no",
"unknown"
],
"type": "string",
"description": "Are there previous conclusive reports on this reaction?"
},
"q2": {
"enum": [
"yes",
"no",
"unknown"
],
"type": "string",
"description": "Did the adverse event appear after the suspected drug was administered?"
},
"q3": {
"enum": [
"yes",
"no",
"unknown"
],
"type": "string",
"description": "Did the adverse reaction improve when the drug was discontinued or a specific antagonist was administered?"
},
"q4": {
"enum": [
"yes",
"no",
"unknown"
],
"type": "string",
"description": "Did the adverse reaction reappear when the drug was readministered?"
},
"q5": {
"enum": [
"yes",
"no",
"unknown"
],
"type": "string",
"description": "Are there alternative causes (other than the drug) that could have caused the reaction?"
},
"q6": {
"enum": [
"yes",
"no",
"unknown"
],
"type": "string",
"description": "Did the reaction reappear when a placebo was given?"
},
"q7": {
"enum": [
"yes",
"no",
"unknown"
],
"type": "string",
"description": "Was the drug detected in blood (or other fluids) in concentrations known to be toxic?"
},
"q8": {
"enum": [
"yes",
"no",
"unknown"
],
"type": "string",
"description": "Was the reaction more severe when the dose was increased, or less severe when the dose was decreased?"
},
"q9": {
"enum": [
"yes",
"no",
"unknown"
],
"type": "string",
"description": "Did the patient have a similar reaction to the same or similar drugs in any previous exposure?"
},
"q10": {
"enum": [
"yes",
"no",
"unknown"
],
"type": "string",
"description": "Was the adverse event confirmed by any objective evidence?"
}
}
}Annotations
{
"readOnlyHint": "false",
"idempotentHint": "false",
"destructiveHint": "false"
}Execution Metadata
Selector: body
Auto-submit: false
Steps (1): navigate
read-naranjo-resultmulti-stepverified
by MatthewCampCorp
Read the current Naranjo causality score and classification from the results page.
Input Schema
{
"type": "object",
"properties": {}
}Annotations
{
"readOnlyHint": "true",
"idempotentHint": "true",
"destructiveHint": "false"
}Execution Metadata
Selector: body
Auto-submit: false
Result extract: list
Steps (1): navigate
Config ID: 62e31e83-b5a4-4177-b009-99bcaaa0ce68
Created: 3/6/2026
Updated: 3/6/2026