Proscar and Comtan drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Proscar (finasteride) and Comtan (entacapone). Common drug interactions include anxiety among males.

The phase IV clinical study analyzes what interactions people have when they take Proscar and Comtan. It is created by eHealthMe based on reports of 34 people who take the same drugs from the FDA, and is updated regularly.

What is Proscar?

Proscar has active ingredients of finasteride. It is often used in prostate examination abnormal. eHealthMe is studying from 13,379 Proscar users. Check the latest studies of Proscar.

What is Comtan?

Comtan has active ingredients of entacapone. It is often used in parkinson's disease. eHealthMe is studying from 3,979 Comtan users. Check the latest studies of Comtan.

On Jul, 10, 2026

34 people who take Proscar and Comtan together, and have interactions are studied.

What are the common drug interactions of Proscar and Comtan, by gender? *:

female:

n/a

male:

Anxiety
Hallucination (an experience involving the perception of something not present)
Ageusia (loss of taste functions of the tongue)
Agitation (state of anxiety or nervous excitement)
Anaemia (lack of blood)
Aortic valve disease
Arrhythmia (irregular heartbeat)
Cervical spinal stenosis (narrowing of the spinal canal in the neck)
Chest pain
Chills (felling of cold)

What are the common drug interactions of Proscar and Comtan, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

n/a

50-59:

n/a

60+:

Anxiety
Hallucination (an experience involving the perception of something not present)
Arrhythmia (irregular heartbeat)
Cervical spinal stenosis (narrowing of the spinal canal in the neck)
Chest pain
Chills (felling of cold)
Depression
Dizziness
Epistaxis (bleed from the nose)
Essential hypertension (primary hypertension)

What are the existing conditions these people have? *

Hallucinations (sensations that appear real but are created by your mind): 5 people, 14.71%
Urinary Incontinence (inability to control the flow of urine and involuntary urination): 3 people, 8.82%
Orthostatic Hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up): 3 people, 8.82%
Gastrointestinal Disorder (functional problems of gastrointestinal tract): 3 people, 8.82%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 8.82%
Constipation: 3 people, 8.82%
Respiratory Disorder (respiratory disease): 2 people, 5.88%
On And Off Phenomenon: 2 people, 5.88%
Generalized Anxiety Disorder (excessive, uncontrollable, unexplained and often irrational worry): 2 people, 5.88%
Delusion (a false belief or opinion): 2 people, 5.88%

* Approximation only. Some reports may have incomplete information.

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