Tolcapone
Also known as: Tasmar
General information only. Anpheros does not diagnose and does not recommend treatment. Talk to a doctor or pharmacist about your situation. In an emergency, call 112 (or your local emergency number).
In short
In the European Union, tolcapone is indicated in combination with levodopa/benserazide or levodopa/carbidopa for patients with levodopa-responsive idiopathic Parkinson’s disease and motor fluctuations who have failed to respond to or are intolerant of other catechol-O-methyltransferase inhibitors. Because of the risk of potentially fatal, acute liver injury, it should not be considered as a first-line adjunct therapy in the European Union. In the United States, tolcapone is indicated as an adjunct to levodopa and carbidopa for treating the signs and symptoms of idiopathic Parkinson's disease. Due to the risk of potentially fatal, acute fulminant liver failure, its use in the United States is ordinarily for patients experiencing symptom fluctuations who do not respond satisfactorily to or are not appropriate candidates for other adjunctive therapies.
From: Source: European Medicines Agency (EMA), Tasmar — EPAR, 10/09/2025. © European Medicines Agency. · Data provided by the U.S. Food and Drug Administration.
AI-generated summary of the sources cited on this page, checked automatically against them. Not reviewed by a clinician; not medical advice.
Codes
- RxNorm
- 72937 tolcapone
- EMA
- EMEA/H/C/000132
Official indications
Quoted unchanged from official product information, in English. Listed alphabetically by product, not ranked.
EMA (EU) Tasmar
Tasmar is indicated in combination with levodopa / benserazide or levodopa / carbidopa for use in patients with levodopa-responsive idiopathic Parkinson’s disease and motor fluctuations, who failed to respond to or are intolerant of other catechol-O-methyltransferase (COMT) inhibitors. Because of the risk of potentially fatal, acute liver injury, Tasmar should not be considered as a first-line adjunct therapy to levodopa / benserazide or levodopa / carbidopa. Since Tasmar should be used only in combination with levodopa / benserazide and levodopa / carbidopa, the prescribing information for these levodopa preparations is also applicable to their concomitant use with Tasmar.
Source: European Medicines Agency (EMA), Tasmar — EPAR, 10/09/2025. © European Medicines Agency.
Document date: 10/09/2025 · Official document →
FDA (USA) Tasmar
INDICATIONS: TASMAR is indicated as an adjunct to levodopa and carbidopa for the treatment of the signs and symptoms of idiopathic Parkinson's disease. Because of the risk of potentially fatal, acute fulminant liver failure, TASMAR (tolcapone) should ordinarily be used in patients with Parkinson's disease on l-dopa/carbidopa who are experiencing symptom fluctuations and are not responding satisfactorily to or are not appropriate candidates for other adjunctive therapies. Because of the risk of liver injury and because TASMAR, when it is effective, provides an observable symptomatic benefit, the patient who fails to show substantial clinical benefit within 3 weeks of initiation of treatment, should be withdrawn from TASMAR. The effectiveness of TASMAR was demonstrated in randomized controlled trials in patients receiving concomitant levodopa therapy with carbidopa or another aromatic amino acid decarboxylase inhibitor who experienced end of dose wearing-off phenomena as well as in patients who did not experience such phenomena (see CLINICAL PHARMACOLOGY: Clinical Studies ).
Data provided by the U.S. Food and Drug Administration.
Document date: 20201002 · Official document →
Other treatments A–Z
What people report
Not enough data yet. Anonymous counts appear here only for groups of at least 20 people who agreed to share them.
External resources
Questions
What is Tolcapone approved for in the European Union?
Tasmar is indicated in combination with levodopa / benserazide or levodopa / carbidopa for use in patients with levodopa-responsive idiopathic Parkinson’s disease and motor fluctuations, who failed to respond to or are intolerant of other catechol-O-methyltransferase (COMT) inhibitors. Because of the risk of potentially fatal, acute liver injury, Tasmar should not be considered as a first-line adjunct therapy to levodopa / benserazide or levodopa / carbidopa. Since Tasmar should be used only in combination with levodopa / benserazide and levodopa / carbidopa, the prescribing information for these levodopa preparations is also applicable to their concomitant use with Tasmar. (Source: European Medicines Agency (EMA), Tasmar — EPAR, 10/09/2025. © European Medicines Agency.)
Sources and attribution
- Source: European Medicines Agency (EMA) — EPAR. © European Medicines Agency.
- Names other than the official source titles: Anpheros translations and plain-language names, made with AI assistance and checked automatically; the source names are in English.
- Data provided by the U.S. Food and Drug Administration.
- This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.
- Source: European Medicines Agency (EMA), Tasmar — EPAR, 10/09/2025. © European Medicines Agency.
Anpheros Search catalog 2026.10.5, published 17 October 2026. About the data →
About this page. This page brings together public information from official sources, each cited where it is used. It is not medical advice, it is not a diagnosis, and it does not tell you which treatment to take.
Treatments. Indications are quoted unchanged from official product information (European Medicines Agency, U.S. Food and Drug Administration). They describe what a medicine is approved for, not whether it is right for you. Approved uses can differ between countries. Always read the package leaflet and follow your doctor's or pharmacist's advice.
What people report. Figures marked "reported by Anpheros users" are anonymous counts from at least 20 people who agreed to share them. They show what people report, not what works, and they are not clinical evidence.
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