Levodopa
Moderate
Textbook
Potentiation of levodopa's action.
Source: KDT 7e · p57
Dopa decarboxylase inhibitor · Anti-parkinsonian adjunct
Competes with levodopa for the catalytic binding site of the enzyme Dopa decarboxylase.
Potentiation of levodopa's action.
Source: KDT 7e · p57
Continue into a citation-backed clinical answer with the drug context already attached.
Sources: KD Tripathi 7e·Verified: 2026-05-10 · House clinical team