Can I take omeprazole with citalopram

Citalopram is an antidepressant that get eliminated primarily by the liver. When inhibition of CYP 2C19 for Omeprazole, citalopram can accumulate in our body. Accumulation of citalopram can make our heart work harder(due to QT prolongation). Since it not routine monitoring Citalopram blood levels or QT prolongation effects, patients taking Omeprazole can only take Citaloram up to 20 mg daily. 

Omeprazole and Pletal Drug Interactions