Pharmacology Patient on treatment on carbidopa + levodopa for 10 yrs now has weaning off effect. What should be added to restore action – A Tolcapone B Amantadine C Rasagiline D Benzhexol 💡 Explanation Patient on treatment on carbidopa + levodopa for 10 yrs now has weaning off effect. What should be added to restore action - ✓ Correct Answer: A. Tolcapone