[The psychotic states in the psychiatric emergency]

The acute psychotic states are often seen in the Psychiatric Services. The syndromes associated with them are: agitation, attempt to commit suicide, aggressivity-violence -all of them make the psychotic states an emergency. The main syndrome to consider the psychotic state as an emergency is the agitation. This article reviews the literature on the pharmacotherapy of the psychotic states in emergency, such as the more used combinations of pharmacotherapies, the dosages, the way and frequency of administration. Likewise, it updates the available data about the uses of atypical antipsychotics in the emergency, such as risperidone syrup, and IM olanzapine and ziprasidone.