Drug General Information (ID: DDIKEONBUV)
Drug Name			Carbidopa		Drug Info		Droxidopa		Drug Info
Drug Type		Small molecule				Small molecule
Therapeutic Class		Antiparkinson Agents				Vasopressors
Structure

Mechanism of Carbidopa-Droxidopa Interaction (Severity Level: Moderate)
Attenuated pharmacological effects (Unspecific) Click to Show/Hide Mechanism Graph
Drug Name		Carbidopa				Droxidopa
Mechanism		Decrease the therapeutic effects of droxidopa				Droxidopa
Key Mechanism Factor 1
		Factor Name		Pharmacodynamics
		Factor Description		Reduced pharmacological effects leading to insufficient efficacy and/or treatment failure.
Mechanism Description		Attenuated pharmacological effects of  Carbidopa when combined with Droxidopa

Recommended Action
Management		Dosage adjustments for droxidopa may be required during coadministration with dopa-decarboxylase inhibitors if an interaction is suspected.

References
1	Product Information. Northera (droxidopa). Chelsea Therapeutics Inc, Charlotte, NC.