Orenitram and Sinemet drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Orenitram (treprostinil) and Sinemet (carbidopa; levodopa). Common drug interactions include syncope among females and fatigue among males.

The phase IV clinical study analyzes what interactions people have when they take Orenitram and Sinemet. It is created by eHealthMe based on reports of 20 people who take the same drugs from the FDA, and is updated regularly.

What is Orenitram?

Orenitram has active ingredients of treprostinil. eHealthMe is studying from 17,714 Orenitram users. Check the latest studies of Orenitram.

What is Sinemet?

Sinemet has active ingredients of carbidopa; levodopa. It is often used in parkinson's disease. eHealthMe is studying from 29,601 Sinemet users. Check the latest studies of Sinemet.



On Jul, 04, 2026

20 people who take Orenitram and Sinemet together, and have interactions are studied.

Orenitram and Sinemet drug interactions.

What are the common drug interactions of Orenitram and Sinemet, by gender? *:

female:

  1. Syncope (loss of consciousness with an inability to maintain postural tone)
  2. Malaise (a feeling of general discomfort or uneasiness)
  3. Dizziness
  4. Dyspnoea (difficult or laboured respiration)
  5. Hypotension (abnormally low blood pressure)
  6. Pain
  7. Vomiting
  8. Palpitations (feelings or sensations that your heart is pounding or racing)
  9. Localised oedema (fluid retention in a particular part of the body)
  10. Muscle spasms (muscle contraction)

male:

  1. Fatigue (feeling of tiredness)
  2. Gait disturbance
  3. Faecaloma (hard mass of fecal matter)
  4. Fall
  5. Osteopenia (a condition where bone mineral density is lower than normal)
  6. Tremor (trembling or shaking movements in one or more parts of your body)
  7. Pain in jaw
  8. Bone pain
  9. Cardiac arrest
  10. Cardiac failure congestive

What are the common drug interactions of Orenitram and Sinemet, 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:

  1. Syncope (loss of consciousness with an inability to maintain postural tone)
  2. Malaise (a feeling of general discomfort or uneasiness)
  3. Dizziness
  4. Dyspnoea (difficult or laboured respiration)
  5. Hypotension (abnormally low blood pressure)
  6. Pain
  7. Vomiting
  8. Palpitations (feelings or sensations that your heart is pounding or racing)
  9. Localised oedema (fluid retention in a particular part of the body)
  10. Muscle spasms (muscle contraction)

50-59:

n/a

60+:

  1. Bone pain
  2. Cardiac arrest
  3. Death
  4. Cardiac failure congestive
  5. Cerebellar infarction (impaired blood circulation to cerebellum)
  6. Concussion (short loss of normal brain function in response to a head injury)
  7. Constipation
  8. Contusion (a type of hematoma of tissue in which capillaries)
  9. Faecaloma (hard mass of fecal matter)
  10. Fall

What are the existing conditions these people have? *

  1. Pulmonary Hypertension (increase in blood pressure in the lung artery): 15 people, 75.00%
  2. Primary Pulmonary Hypertension (primary high blood pressure that affects the arteries in the lungs and the right side of your heart): 12 people, 60.00%
  3. Oedema (fluid collection in tissue): 4 people, 20.00%
  4. Restless Leg Syndrome (a powerful urge to move your legs): 1 person, 5.00%
  5. Headache (pain in head): 1 person, 5.00%
  6. Cardiac Failure: 1 person, 5.00%
  7. Constipation: 1 person, 5.00%
  8. Drug Hypersensitivity: 1 person, 5.00%
  9. Dyspnea (difficult or laboured breathing): 1 person, 5.00%
  10. Fever: 1 person, 5.00%

* Approximation only. Some reports may have incomplete information.

Do you take Orenitram and Sinemet?

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Related studies:

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

Browse all drug interactions of Orenitram and Sinemet:

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 Orenitram:

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 Sinemet:

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 Orenitram 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 Sinemet 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

How the study uses the data?

The study uses data from the FDA. It is based on treprostinil and carbidopa; levodopa (the active ingredients of Orenitram and Sinemet, respectively), and Orenitram and Sinemet (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.

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