Effexor xr and Parosmia - a phase IV clinical study of FDA data

Summary:

Parosmia is reported as a side effect among people who take Effexor xr (venlafaxine hydrochloride), especially for people who are female, 60+ old, have been taking the drug for < 1 month also take Premarin, and have Ankylosing spondylitis.

The phase IV clinical study analyzes which people have Parosmia when taking Effexor xr. It is created by eHealthMe based on reports of 31,325 people who have side effects when taking Effexor xr from the FDA, and is updated regularly.

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.

What is Parosmia?

Parosmia (distortion of the sense of smell, as in smelling odours that are not present) is found to be associated with 699 drugs and 763 conditions by eHealthMe. Check the latest studies of Parosmia.

On Jul, 06, 2026

31,325 people reported to have side effects when taking Effexor xr.
Among them, 30 people (0.1%) have Parosmia.

Among these 30 people:

How long have people been on Effexor xr when they have Parosmia? *

What is the gender of people who have Parosmia when taking Effexor xr? *

female: 83.33 %
male: 16.67 %

What is the age of people who have Parosmia when taking Effexor xr? *

What are other drugs people take besides Effexor xr? *

Premarin: 12 people, 40.00%
Zometa: 11 people, 36.67%
Penlac: 11 people, 36.67%
Allegra: 11 people, 36.67%
Amoxicillin: 11 people, 36.67%
Aredia: 11 people, 36.67%
Avelox: 11 people, 36.67%
Azithromycin: 11 people, 36.67%
Celexa: 11 people, 36.67%
Chlorhexidine Gluconate: 11 people, 36.67%

What are other side effects people have besides Parosmia? *

Taste - Impaired: 21 people, 70.00%
Pain: 12 people, 40.00%
Lip Swelling: 11 people, 36.67%
Photopsia (presence of perceived flashes of light): 11 people, 36.67%
Sinusitis (inflammation of sinus): 11 people, 36.67%
Sensitivity Of Teeth: 11 people, 36.67%
Secondary Sequestrum (a piece of dead bone that partially separates from sound bone during the process of necrosis but may be pushed back into position): 11 people, 36.67%
Impaired Healing: 11 people, 36.67%
Posterior Capsule Opacification: 11 people, 36.67%
Bone Disorder: 11 people, 36.67%

What are the existing conditions these people have? *

Ankylosing Spondylitis (type of arthritis affecting the spine): 2 people, 6.67%
Sleep Disorder: 1 person, 3.33%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 1 person, 3.33%
Muscle Spasticity (tight or stiff muscles and an inability to control those muscles): 1 person, 3.33%
Fatigue (feeling of tiredness): 1 person, 3.33%
Erection Problems: 1 person, 3.33%
Drowsiness: 1 person, 3.33%
Chronic Fatigue Syndrome (disorder that causes extreme fatigue): 1 person, 3.33%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 1 person, 3.33%

* Approximation only. Some reports may have incomplete information.

Do you take Effexor xr and have Parosmia?

- Check whether Parosmia is associated with a drug or a condition
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously

Related studies:

Effectiveness of, long term effects of, and alternative drugs to Effexor xr:

Effexor xr (35,233 reports)

Parosmia treatments and more:

Parosmia (8,965 reports)

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

Browse all the drugs that are associated with Parosmia:

Parosmia (699 drugs)

Browse all the conditions that are associated with Parosmia:

Parosmia (763 conditions)

How the study uses the data?

The study uses data from the FDA. It is based on venlafaxine hydrochloride (the active ingredients of Effexor xr) and Effexor xr (the brand name). 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.