Observed herb/drug interactions associated with Bing Lang and Da Fu Pi (Areca catechu). [Source]
| Patient Abstract | Herb and Use | Drug Believed to Interact | Other Drugs Being Taken | Medical Observation | Mechanism | Legitimacy |
|---|---|---|---|---|---|---|
| 51 year old man with schizophrenia [38] | Betel nut Areca catechu (Stimulant) | Fluphenazine | Procyclidine | Rigidity, bradykinesia, jaw tremor | Not known | Likely |
| 45 year old man with schizoaffective disorder | Betel nut Areca catechu (Stimulant) | Flupenthixol | Procyclidine | Stiffness, tremor, akathisia | Not known | Likely |