Treatments Head Lice | Therapeutic Failure

Are you certain about the diagnosis of relapse?

Could psychogenic symptoms explain the clinical findings?

Were the original instructions inappropriate?

Did the patient misunderstand the instructions?

Did the patient not get the medication because it was too expensive?

Was the patient noncompliant?

Was the prescribed product inappropriate?

Was the preparation prescribed inappropriate?

Was there a failure to retreat the patient as instructed?

Was there a failure to remove the eggs?

Was the dosing and timing insufficient?

Was the agent used frequently enough?

Was an insufficient quantity of product applied?

Does it seem that the person was reinfested from another person?

Does it seem that the patient was reinfested from a source in environment?

Does the agent used have incomplete ovicidal activity?

Could the lice be resistant to the insecticide?