Clioquinol

1. Contact allergy established.
   
2. Present exposure :
   
   
   
   1. Known exposure – clioquinol present in :
      
      
      
      • topical pharmaceutical product
        
      • in veterinary product
        
      
      
   2. Possible exposure :
      
      
      
      • Patient used several topical pharmaceutical (incl. antibiotic/antiseptic) products but has thrown them away.
        
      • Patient in contact with veterinary products.
        
      
      
   3. Known or possible exposure to chemically related quinoline product.
      
      
   4. Unknown exposure to clioquinol or chemically related product.
      

1. Relationship with the known or possible exposure.
   
2. Possible relationship with the known exposure.
   
3. Relationship through cross-reactivity (other quinolines).
   
4. Unknown relationship.