Atenolol and Carbidopa and levodopa interaction
Atenolol and Carbidopa and levodopa: the Carbidopa and levodopa prescribing label describe an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Carbidopa and levodopa (Duopa) label · effective 2026-03-19
Antihypertensive drugs: May cause symptomatic postural hypotension.
Dosage adjustment of the antihypertensive drug may be needed ( 7.2 )
Antihypertensive Drugs The concurrent use of DUOPA with antihypertensive medications can cause symptomatic postural hypotension.
A dose reduction of the antihypertensive medication may be needed after starting or increasing the dose of DUOPA.
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.