Norflex and Multivitamin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Norflex (orphenadrine citrate) and Multivitamin (ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e). Common drug interactions include headache among females and facial palsy among males.

The phase IV clinical study analyzes what interactions people have when they take Norflex and Multivitamin. It is created by eHealthMe based on reports of 22 people who take the same drugs from the FDA, and is updated regularly.

What is Norflex?

Norflex has active ingredients of orphenadrine citrate. It is often used in muscle spasms. eHealthMe is studying from 1,951 Norflex users. Check the latest studies of Norflex.

What is Multivitamin?

Multivitamin has active ingredients of ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e. It is often used in vitamin supplementation. eHealthMe is studying from 83,597 Multivitamin users. Check the latest studies of Multivitamin.



On Jul, 08, 2026

22 people who take Norflex and Multivitamin together, and have interactions are studied.

Norflex and Multivitamin drug interactions.

What are the common drug interactions of Norflex and Multivitamin, by gender? *:

female:

  1. Headache (pain in head)
  2. Pain
  3. Arthralgia (joint pain)
  4. Asthenia (weakness)
  5. Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder)
  6. Chronic kidney disease
  7. Nausea (feeling of having an urge to vomit)
  8. Nephrolithiasis (calculi in the kidneys)
  9. Pruritus (severe itching of the skin)
  10. Abasia (inability to walk)

male:

  1. Facial palsy (paralysis of face nerve)
  2. Haematocrit decreased
  3. Nephrogenic anaemia (anaemia due to kidney disease)
  4. Pain in extremity
  5. Renal failure (kidney dysfunction)
  6. Sinus bradycardia (an unusually slow heartbeat due to heart disease)
  7. Staphylococcal infection (an infection with staphylococcus bacteria)
  8. Supraventricular extrasystoles (premature electrical impulse in the heart, generated above the level of the ventricle)
  9. Mastoiditis (infection of mastoid bone)
  10. Otitis externa (external ear infection)

What are the common drug interactions of Norflex and Multivitamin, 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. Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder)
  2. Headache (pain in head)
  3. Nephrolithiasis (calculi in the kidneys)
  4. Pruritus (severe itching of the skin)
  5. Acne cystic (skin problems that cause pimples)
  6. Alanine aminotransferase increased
  7. Alopecia (absence of hair from areas of the body)
  8. Arthralgia (joint pain)
  9. Aspartate aminotransferase increased
  10. Cardiac disorder

50-59:

  1. Chronic kidney disease
  2. Anorectal discomfort
  3. Asthenia (weakness)
  4. Cough
  5. Drug effect decreased
  6. Exostosis (formation of new bone on the surface of a bone)
  7. Hypophagia (reduced food intake)
  8. Nephrogenic anaemia (anaemia due to kidney disease)
  9. Rash pruritic (redness with itching)
  10. Renal failure (kidney dysfunction)

60+:

  1. Headache (pain in head)
  2. Facial palsy (paralysis of face nerve)
  3. Adrenal insufficiency (a condition in which the adrenal glands do not produce adequate amounts of steroids)
  4. Arthralgia (joint pain)
  5. Arthritis (form of joint disorder that involves inflammation of one or more joints)
  6. Dehydration (dryness resulting from the removal of water)
  7. Dizziness
  8. Dyspepsia (indigestion)
  9. Dysstasia (difficulty in standing)
  10. Ear infection staphylococcal (ear infection by staphylococcal bacteria)

What are the existing conditions these people have? *

  1. Pain: 4 people, 18.18%
  2. Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 4 people, 18.18%
  3. Insomnia (sleeplessness): 3 people, 13.64%
  4. High Blood Cholesterol: 3 people, 13.64%
  5. Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 9.09%
  6. Neuralgia (pain in one or more nerves): 2 people, 9.09%
  7. Multiple Allergies (allergy to multiple agents): 2 people, 9.09%
  8. Gastric Ulcer (stomach ulcer): 2 people, 9.09%
  9. Depression: 2 people, 9.09%
  10. Blood Pressure Abnormal: 2 people, 9.09%

* Approximation only. Some reports may have incomplete information.

Do you take Norflex and Multivitamin?

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Related studies:

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

Browse all drug interactions of Norflex and Multivitamin:

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 Norflex:

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 Multivitamin:

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 Norflex 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 Multivitamin 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 orphenadrine citrate and ascorbic acid; biotin; cyanocobalamin; dexpanthenol; ergocalciferol; folic acid; niacinamide; pyridoxine hydrochloride; riboflavin phosphate sodium; thiamine hydrochloride; vitamin a; vitamin e (the active ingredients of Norflex and Multivitamin, respectively), and Norflex and Multivitamin (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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