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

Summary:

Drug interactions are reported among people who take Northera (droxidopa) and Proscar (finasteride). Common drug interactions include ageusia among females and dizziness among males.

The phase IV clinical study analyzes what interactions people have when they take Northera and Proscar. It is created by eHealthMe based on reports of 31 people who take the same drugs from the FDA, and is updated regularly.

What is Northera?

Northera has active ingredients of droxidopa. eHealthMe is studying from 22,874 Northera users. Check the latest studies of Northera.

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.

On Jul, 27, 2026

31 people who take Northera and Proscar together, and have interactions are studied.

Northera and Proscar drug interactions.

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

female:

  1. Ageusia (loss of taste functions of the tongue)

male:

  1. Dizziness
  2. Fall
  3. Hyperhidrosis (abnormally increased sweating)
  4. Infection
  5. Pneumonia
  6. Pulmonary oedema (fluid accumulation in the lungs)
  7. Pyrexia (fever)
  8. Dehydration (dryness resulting from the removal of water)
  9. Blood pressure fluctuation
  10. Blood pressure increased

What are the common drug interactions of Northera and Proscar, 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:

  1. Abasia (inability to walk)
  2. Asthenia (weakness)
  3. Dizziness
  4. Drug hypersensitivity
  5. Hypoaesthesia (reduced sense of touch or sensation)
  6. Hypotension (abnormally low blood pressure)

60+:

  1. Dizziness
  2. Cough
  3. Infection
  4. Pneumonia
  5. Pulmonary oedema (fluid accumulation in the lungs)
  6. Pyrexia (fever)
  7. Death
  8. Confusional state
  9. Delusion (a false belief or opinion)
  10. Hallucination (an experience involving the perception of something not present)

What are the existing conditions these people have? *

  1. Orthostatic Hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up): 18 people, 58.06%
  2. Parkinson's Disease: 10 people, 32.26%
  3. Pain: 6 people, 19.35%
  4. Hypotension (abnormally low blood pressure): 3 people, 9.68%
  5. Dizziness: 3 people, 9.68%
  6. Autonomic Neuropathy (malfunction of the autonomic nervous system (ans)): 3 people, 9.68%
  7. Neurodegenerative Disorder (progressive loss of structure or function of neurons and death of neuron): 2 people, 6.45%
  8. Multiple System Atrophy (degeneration of nerve cells in specific areas of the brain): 2 people, 6.45%
  9. Headache (pain in head): 2 people, 6.45%
  10. Fainting (loss of consciousness and postural tone): 2 people, 6.45%

* Approximation only. Some reports may have incomplete information.

Do you take Northera and Proscar?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, side effects of, and alternative drugs to the 2 drugs:

Browse all drug interactions of Northera and Proscar:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Sub-studies by gender and age:

Female: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Male: 0-1 2-9 10-19 20-29 30-39 40-49 50-59 60+

Browse all side effects of Northera:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all side effects of Proscar:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Northera and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Browse all interactions between Proscar and drugs from A to Z:

a b c d e f g h i j k l m n o p q r s t u v w x y z

Related publications that referenced our studies

How the study uses the data?

The study uses data from the FDA. It is based on droxidopa and finasteride (the active ingredients of Northera and Proscar, respectively), and Northera and Proscar (the brand names). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered. Dosage of drugs is not considered in the study.

How to use the study?

DO NOT STOP MEDICATIONS without first consulting your doctor. If there are any serious or long term adverse effects discovered in the study, discuss the study with your doctor to ensure that proper medication management will be in place if applicable.

Who is eHealthMe?

With medical big data and proven AI/ML algorithms, eHealthMe provides a platform for everyone to run phase IV clinical trials. We study millions of patients and 5,000 more each day. Results of our real-world drug study have been referenced on 800+ peer-reviewed medical publications, including The Lancet, Mayo Clinic Proceedings, and Nature. Our analysis results are available to researchers, health care professionals, patients (testimonials), and software developers (open API).

WARNING, DISCLAIMER, USE FOR PUBLICATION

WARNING: Please DO NOT STOP MEDICATIONS without first consulting a physician since doing so could be hazardous to your health.

DISCLAIMER: All material available on eHealthMe.com is for informational purposes only, and is not a substitute for medical advice, diagnosis, or treatment provided by a qualified healthcare provider. All information is observation-only. Our phase IV clinical studies alone cannot establish cause-effect relationship. Different individuals may respond to medication in different ways. Every effort has been made to ensure that all information is accurate, up-to-date, and complete, but no guarantee is made to that effect. The use of the eHealthMe site and its content is at your own risk.

If you use this eHealthMe study on publication, please acknowledge it with a citation: study title, URL, accessed date.

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