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Oramorph sr vs. Effexor xr: side effect and effectiveness comparison (a real world drug study)

Summary:

We compare the side effects and drug effectiveness of Oramorph sr and Effexor xr. The phase IV clinical study is created by eHealthMe based on reports (from sources including the FDA) of 439,806 people who take Oramorph sr and Effexor xr, and is updated regularly.

What is Oramorph sr?

Oramorph sr has active ingredients of morphine sulfate. It is often used in pain. eHealthMe is studying from 2,897 Oramorph sr users. Check the latest studies of Oramorph sr.

What is Effexor xr?

Effexor xr has active ingredients of venlafaxine hydrochloride. It is often used in depression. eHealthMe is studying from 35,233 Effexor xr users. Check the latest studies of Effexor xr.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 22, 2026

439,806 people who take Oramorph sr and Effexor xr are studied.

Oramorph sr vs Effexor xr drug comparison reports.

Drugs being compared in this study:

  • Oramorph Sr (morphine sulfate)
  • Effexor Xr (venlafaxine hydrochloride)

Most common side effects of the drugs, overall:

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Most common side effects of the drugs, in long term (1+ years) use:

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Drug effectiveness:

Oramorph Sr:

  • not at all: 5.23 %
  • somewhat: 20.87 %
  • moderate: 39.89 %
  • high: 26.29 %
  • very high: 7.72 %

Effexor Xr:

  • not at all: 4.22 %
  • somewhat: 18.73 %
  • moderate: 35.84 %
  • high: 30.35 %
  • very high: 10.85 %

Want to compare Oramorph sr with Effexor xr?

- Personalize this study to your gender and age (0-99+)

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.

Related publications that referenced our studies

Related studies

Alternative drugs to, pros and cons of:

Browse all side effects of Oramorph sr:

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 Effexor xr:

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 is based on morphine sulfate and venlafaxine hydrochloride (the active ingredients of Oramorph sr and Effexor xr, respectively). Other drugs that have the same active ingredients (e.g. generic drugs or brand names) are also considered. Dosage of drugs is not considered in the study.

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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