Pharmacology Which of the following statement is false regarding phenobarbitone? A It acts primarily at the GABA: BZD receptor -chloride ion channel complex B It can cross the placenta C Contra-indicated in Acute intermittent porphyria D It has no significant drug interactions with warfarin 💡 Explanation Which of the following statement is false regarding phenobarbitone? ✓ Correct Answer: D. It has no significant drug interactions with warfarin