Carbidopa is often prescribed in combination with levodopa in patients with Parkinson's disease. The addition of carbidopa decreases the amount of levodopa needed to have an effect, but it does not have a beneficial effect in these patients if given alone. This is an example of

Question

Quizplus · Accepted Answer

Potentiation occurs when one drug (carbidopa) enhances the effect of another drug (levodopa) without having any significant effect on its own when given to the patient. This allows for a lower dose of levodopa to be used, reducing potential side effects.

Carbidopa Is Often Prescribed in Combination with Levodopa in Patients