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[How should drugs for anxiety be prescribed?].

Difficulties in anxiety treatment is emphasized by benzodiazepine use and misuse. Pathological anxiety threshold can be understood in a dimensional perspective or by large in philosophical considerations. Therapeutic guidelines can be defined on the length of disease or by a categorical and nosological approach. Actually, this one appears more efficient. Numerous studies lead to better selection of psychotropics for each disorders (panic disorder; general anxiety disorder; social phobia; obsessive-compulsive disorder; post-traumatic stress disorder). Therapeutic choice is under others conditions such as length of prescription, severity of the disorders; comorbidity; individual feature to patient. Improvement in therapeutic efficacy needs further studies. Some directions could be: better definition of disorders and their link with personality, appreciation of intensity and chronicity, biological parameters.