Answer
Opium tincture (Dropizol) should not be taken with disulfiram or metronidazole because its ethanol content can trigger disulfiram-like reactions, including flushing, rapid breathing and tachycardia.
Sources for this answer
- Dropizol 10mg/ml oral dropsPharmanovia A/S · emc · SmPC §4.5 Interaction with other medicinal products · Version 4Document updated
Sources checked