Drug Interactions With Carbidopa
Phenytoin (Dilantin, Phenytek)
Phenytoin can make carbidopa (combined with levodopa) less effective. Check with your healthcare provider before taking these medications together.
There have been reports of occasional problems (such as high blood pressure or involuntary body movements) when carbidopa and levodopa were combined with a tricyclic antidepressant. Check with your healthcare provider before combining carbidopa with a tricyclic antidepressant.
It is possible that not all carbidopa drug interactions were discussed in this article. Therefore, you should talk with your pharmacist or healthcare provider about any specific drug interactions that may apply to you.