Dopamine · larger labeled portfolio than Carbidopa/Levodopa

SPL labels Carbidopa/Levodopa + Dopamine as moderate; Carbidopa/Levodopa 8 / Dopamine 5 in that band.

Mechanism on file: These medications compete for the same enzyme that clears them from your body. This can cause the drugs to reach high levels, potentially leading to heart rhythm issues or blood pressure spikes.

FDA SPL severity: Moderate

Carbidopa/Levodopa

Full Carbidopa/Levodopa label record

Dopamine Precursor Combination

Dopamine

Full Dopamine label record

Inotropic / Vasopressor

Carbidopa/Levodopa + Dopamine · SPL mechanism field

These medications compete for the same enzyme that clears them from your body. This can cause the drugs to reach high levels, potentially leading to heart rhythm issues or blood pressure spikes.

Moderate band excerpt · Carbidopa/Levodopa with Dopamine

7 DRUG INTERACTIONS Drugs metabolized by COMT: use with caution ( 5.10 , 7.2 ) Anti-hypertensive agents: dose adjustment may be required ( 7.3 ) Tricyclic antidepressants: risk of hypertension and dyskinesia reported during concomitant use with carbidopa/levodopa ( 7.4 ) Dopamine D2 receptor antagonists, isoniazid, phenytoin, papaverine and iron salts: may reduce efficacy of carbidopa, levodopa and entacapone tablets ( 7.5 , 7.6 , 7.7 , 7.8 , 7.9 ) Drugs that interfere with biliary excretion, glucuronidation and intestinal beta-glucuronidase: dose adjustment of carbidopa, levodopa and...

Carbidopa/Levodopa · 8 moderate + 13 total pairs

View all Carbidopa/Levodopa interactions →

Dopamine · 28 SPL pairs (broader portfolio than Carbidopa/Levodopa)

View all Dopamine interactions →

FDA Drug Labels (SPL) via openFDA. Registry display only. Not medical advice.