- CBD products sold in shops are food supplements, not medicines, and must contain <1 mg THC per container.
- Medical-grade CBD (prescribed) is standardised, tested, and may be used in higher doses safely.
- CBD interacts with cytochrome P450 enzymes; potential drug interactions include sodium valproate, antifungals, macrolides, amiodarone, and Clobazam.
- Dose guidance: start low (10 mg/day), titrate up to 60 mg over 4–6 weeks, review after adjustment.