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This is the first of 2 articles addressingmethodological issues regarding real-lifedosing and switching strategies whentreating patients with second-generationantipsychotics.

When faced with nonresponse to an adequateduration of antipsychotic treatmentat maximum recommended doses, clinicianshave 4 basic options to improvesymptomatic and/or functional response:(1) wait for the occurrence of a potentiallydelayed response; (2) augment with anothermedication (of the same or a differentclass); (3) switch to another medication(of the same or a different class); or(4) increase the dose beyond the upperdose range used in U.S. Food and DrugAdministration (FDA) approval trials. Ifsufficient data were available, a fifth optioncould be to check for the presence oftherapeutic antipsychotic drug levels.’ ‹