Introduction - consumption of energy drinks is increasing each year worldwide, especially among young people seeking for assumed power and increased physical and emotional endurance. energy drinks contain caffeine which has stimulating effects, but its excessive and chronic consumption may cause unwanted effects; physically and mentally. There are some studies reported symptoms of psychotic and mood disorders associated with excessive use of caffeine. We present a case of clear psychotic features in a young female following a four-year history of consuming large amounts of energy drinks. In conclusion, this case suggests an association between excessive use of energy drinks and schizophreniform disorder.

Shared psychotic disorder (Folie a deux), is a rarely seen and poorly understood psychiatric disorder. It is characterized by the transfer of delusional belief from one primary patient, who already suffering from a psychotic disorder, to another, the secondary patient. Here we present a case, of daughter of schizophrenic mother who has shared psychotic disorder with belief delusion of pregnancy. It was easily diagnosed but a bigger challenge for management purpose.