Natural Health Research

Naturopathic Medicine
Health Quizzes
Levodopa, Dopar, Larodopa


Levodopa is an intermediate in dopamine biosynthesis used in the management of Parkinson's disease.




Larodopa is indicated in the treatment of idiopathic Parkinson's disease (Paralysis Agitans), postencephalitic parkinsonism, symptomatic parkinsonism which may follow injury to the nervous system by carbon monoxide intoxication, and manganese intoxication. It is indicated in those elderly patients believed to develop parkinsonism in association with cerebral arteriosclerosis.

Side Effects

Choreiform or dystonic movements, anorexia, nausea/vomiting, xerostomia, dysphagia, dysgeusia, sialorrhea, ataxia, increased hand tremor, headache, dizziness, numbness, weakness, faintness, bruxism, confusion, insomnia, nightmares, hallucinations, delusions, agitation, anxiety, malaise, fatigue, euphoria, cardiac arrhythmias, orthostatic hypotension, elevated hepatic enzymes.,

Drug-Vitamin-Herb Interactions

Negative interactions:

The combination of 5-HTP and carbidopa may cause a scleroderma-like condition.

Branched Chain Amino Acids, BCAAs
Amino acids in dietary proteins decrease effectiveness of levodopa.

Iron interferes with absorption of carbodopa and levodopa. Take at separate times.

Kava may interfere with the action of dopamine.

Vitamin B6
Higher doses of Vitamin B6 can reduce the therapeutic effect of levodopa alone in ParkinsonÕs disease.

Mixed interactions:

Levodopa may deplete SAMe.




Fantastic new books!

CAM Therapies has studies on natural therapies for over 100 diseases.

CAM Labs lists lab tests for 100 diseases.

Nutritional Genetics is a fantastic resource.



Information on this site is provided for informational purposes only and is not meant to substitute for the advice provided by your own physician or other medical professional. You should not use the information contained herein for diagnosing or treating a health problem or disease, or prescribing any medication. If you have or suspect that you have a medical problem, promptly contact your health care provider. Information and statements on this site have not been evaluated by the Food and Drug Administration.