Answer
The caffeine in Boots Paracetamol and Codeine Extra Capsules has an elimination half-life of approximately 3 to 6 hours in adults.
Sources for this answer
- Boots Paracetamol and Codeine Extra CapsulesTHE BOOTS COMPANY PLC · emc · SmPC §5.2 Pharmacokinetic properties · Version 16Document updated
Sources checked