Thrombocytopenia with quetiapine: two case reports, one with positive rechallenge.

The article presents information on two case reports of thrombocytopenia with quetiapine, one with positive rechallenge. It says that antipsychotic thrombocytopenia is generally rare, but seems to happen more frequently with quetiapine. It adds that the relative risk of thrombocytopenia can be explained as very rare with loxapine and clozapine.