Skip to main content

Entacapone Disease Interactions

There are 3 disease interactions with entacapone.


Dopamine agonists (applies to entacapone) hypotension

Major Potential Hazard, Moderate plausibility.

Dopamine agonists may impair the systemic regulation of blood pressure, with resultant orthostatic hypotension, especially during dose escalation. Therapy with dopamine agonists should be monitored carefully in patients with Parkinson's disease since they may have an impaired ability to respond to an orthostatic challenge, and also in patients receiving antihypertensive drugs.


  1. Hoehn MM "Levodopa-induced postural hypotension. Treatment with fludrocortisone." Arch Neurol 32 (1975): 50-1
  2. Iwasaki S, Hamaguchi K, Iwasaki A, Takakusagi M, Narabayashi Y "Hypotensive effect of long-term levodopa in patients with Parkinson's disease." Eur Neurol 30 (1990): 194-9
  3. "Product Information. Dostinex (cabergoline)." Pharmacia and Upjohn (2001):
  4. "Product Information. Sinemet (carbidopa-levodopa)." DuPont Pharmaceuticals (2001):
  5. "Product Information. Sinemet CR (carbidopa-levodopa)." DuPont Pharmaceuticals (2001):
  6. "Product Information. Mirapex (pramipexole)." Boehringer Ingelheim (2001):
  7. "Product Information. Requip (ropinirole)." SmithKline Beecham (2001):
  8. "Product Information. Comtan (entacapone)." Novartis Pharmaceuticals (2001):
  9. "Product Information. Azilect (rasagiline)." Teva Pharmaceuticals USA (2006):
  10. "Product Information. Neupro (rotigotine)." Schwarz Pharma (2007):
  11. "Product Information. Xadago (safinamide)." US WorldMeds LLC (2017):
View all 11 references

Dopaminergic antiparkinson agents (applies to entacapone) psychosis

Major Potential Hazard, Moderate plausibility.

Ordinarily, patients with major psychotic disorder should not be treated with dopaminergic antiparkinson agents, because of the risk of exacerbating psychosis. Hallucinations and psychotic-like behavior have been reported with dopaminergic medications. In addition, certain medications used to treat psychosis may exacerbate the symptoms of Parkinson's disease and may decrease the effectiveness of these drugs.


  1. "Product Information. Dostinex (cabergoline)." Pharmacia and Upjohn (2001):
  2. "Product Information. Mirapex (pramipexole)." Boehringer Ingelheim (2001):
  3. "Product Information. Requip (ropinirole)." SmithKline Beecham (2001):
  4. "Product Information. Comtan (entacapone)." Novartis Pharmaceuticals (2001):
  5. "Product Information. Lodosyn (carbidopa)." DuPont Pharma (2001):
  6. "Product Information. Azilect (rasagiline)." Teva Pharmaceuticals USA (2006):
  7. "Product Information. Neupro (rotigotine)." Schwarz Pharma (2007):
  8. "Product Information. Xadago (safinamide)." US WorldMeds LLC (2017):
View all 8 references

Entacapone (applies to entacapone) hepatic impairment

Moderate Potential Hazard, Moderate plausibility. Applicable conditions: Liver Disease

Entacapone should be used with caution in patients with hepatic impairment, as the AUC and Cmax of the drug approximately doubled in patients with documented liver disease compared to patients with normal liver function.


  1. "Product Information. Comtan (entacapone)." Novartis Pharmaceuticals (2001):

Entacapone drug interactions

There are 273 drug interactions with entacapone.

Entacapone alcohol/food interactions

There is 1 alcohol/food interaction with entacapone.

Report options

QR code containing a link to this page

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
Major Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit.
Moderate Moderately clinically significant. Usually avoid combinations; use it only under special circumstances.
Minor Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan.
Unknown No interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.