Norflex side effects by duration, gender and age - a phase IV clinical study of FDA data
Summary:
Side effects are reported by people who take Norflex. Common side effects include anaemia among females and anxiety among males.
The phase IV clinical study is created by eHealthMe based on 1,569 reports from the FDA, and is updated regularly. You can use the study as a second opinion to make health care decisions.
With medical big data and AI algorithms, eHealthMe enables everyone to run phase IV clinical trial to detect adverse drug outcomes and monitor effectiveness. Our original studies have been referenced on 600+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Most recently, phase IV clinial trails for COVID 19 vaccines have been added, check here.
1,569 people who take Norflex and have side effects are studied.
What is Norflex?
Norflex has active ingredients of orphenadrine citrate. It is often used in muscle spasms. eHealthMe is studying from 1,757 Norflex users for its effectiveness, alternative drugs and more.
Number of Norflex reports submitted per year:

Norflex side effects by time on the drug *:
Norflex side effects by gender *:
Norflex side effects by age *:
* Approximation only. Some reports may have incomplete information.
Do you take Norflex?
Personalize this study to your gender and ageHow to use the study?
You can discuss the study with your doctor, to ensure that all drug risks and benefits are fully discussed and understood.
How the study uses the data?
The study is based on orphenadrine citrate (the active ingredients of Norflex) and Norflex (the brand name). Other drugs that have the same active ingredients (e.g. generic drugs) are not considered.
Related studies
Alternative drugs to, pros and cons of Norflex:
- Norflex (1,757 reports)
Common Norflex side effects:
- Anaemia (lack of blood): 238 reports
- Arthritis (form of joint disorder that involves inflammation of one or more joints): 238 reports
- Back pain: 119 reports
- Breathing difficulty: 128 reports
- Chest pain: 142 reports
- Depression: 133 reports
- Diarrhea: 120 reports
- Dizziness: 122 reports
- Drug hypersensitivity: 132 reports
- Drug ineffective: 309 reports
- Drug intolerance (drug sensitivity): 106 reports
- Fatigue (feeling of tiredness): 114 reports
- Fibromyalgia (a long-term condition which causes pain all over the body): 231 reports
- Headache (pain in head): 176 reports
- Herpes zoster: 278 reports
- High blood cholesterol: 222 reports
- High blood pressure: 101 reports
- Hypoaesthesia (reduced sense of touch or sensation): 120 reports
- Infection: 197 reports
- Joint pain: 262 reports
- Joint swelling: 192 reports
- Leukopenia (less number of white blood cells in blood): 202 reports
- Nausea (feeling of having an urge to vomit): 183 reports
- Oral pain: 151 reports
- Pain: 164 reports
- Peripheral swelling: 264 reports
- Pneumonia viral: 224 reports
- Stomatitis (inflammation of mucous membrane of mouth): 106 reports
- Stress and anxiety: 163 reports
- Swelling: 115 reports
- Synovitis (inflammation of the synovial membrane): 206 reports
- Tenderness (pain or discomfort when an affected area is touched): 129 reports
- Tremor (trembling or shaking movements in one or more parts of your body): 102 reports
- Weakness: 151 reports
All Norflex side effects 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 zWho is eHealthMe?
With medical big data and proven AI 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 600+ 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
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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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