Which medication contains Carbidopa with Levodopa?

The medication that contains Carbidopa with Levodopa is Sinemet. This combination is primarily used in the treatment of Parkinson's disease.

Levodopa acts as a precursor to dopamine, which is deficient in patients with Parkinson’s disease, while Carbidopa is included to inhibit the peripheral metabolism of Levodopa, allowing more of it to reach the brain, and therefore enhancing its effectiveness. Sinemet is recognized as a standard treatment for managing motor symptoms associated with Parkinson's disease, making it the correct answer.

In contrast, Diovan is primarily used to treat high blood pressure and heart failure, Zetia is utilized for lowering cholesterol, and Vibramycin is an antibiotic. These medications do not contain the active ingredients Carbidopa or Levodopa, which is the key distinction that confirms Sinemet as the appropriate choice.