[both drugs are calcineurin inhibitors]
* omeprazole (Losec, Prilosec)
* oxycodone (Oxycodone is metabolized by the cytochrome P450 system, specifically CYP3A4, of which the bergamottin flavonoid is a strong inhibitor)
* hydrocodone (The hepatic cytochrome P450 enzyme CYP2D6 converts it into hydromorphone, a more potent opioid.)
* dihydrocodeine
* quetiapine (
Seroquel, Ketipinor)
* methadone -- Inhibits the metabolism of methadone and raises serum levels.