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

Summary:

Drug interactions are reported among people who take Norflex (orphenadrine citrate) and Stadol (butorphanol tartrate). Common drug interactions include bursitis among females and abdominal distension among males.

The phase IV clinical study analyzes what interactions people have when they take Norflex and Stadol. It is created by eHealthMe based on reports of 15 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 Stadol?

Stadol has active ingredients of butorphanol tartrate. It is often used in migraine. eHealthMe is studying from 5,546 Stadol users. Check the latest studies of Stadol.

On Jul, 10, 2026

15 people who take Norflex and Stadol together, and have interactions are studied.

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

female:

Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder)
Dyspepsia (indigestion)
Cough
Dependence
Depression
Drug hypersensitivity
Insomnia (sleeplessness)
Nausea (feeling of having an urge to vomit)
Vomiting
Angina pectoris (chest pain due to ischemia of the heart muscle)

male:

Abdominal distension
Dermatitis (inflammation of the skin resulting from direct irritation by an external agent or an allergic reaction to it)
Drug abuser
Drug addiction
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
Pain
Rotator cuff syndrome (a spectrum of conditions affecting the rotator cuff tendons of the shoulder)
Skin discolouration (change of skin colour)

What are the common drug interactions of Norflex and Stadol, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Drug addiction
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
Insomnia (sleeplessness)
Overdose
Road traffic accident
Suicide attempt

40-49:

Depression
Vomiting
Angina pectoris (chest pain due to ischemia of the heart muscle)
Arthralgia (joint pain)
Atrioventricular block first degree (heart block first degree)
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Cachexia (loss of weight)
Cardiac failure congestive
Confusional state
Contusion (a type of hematoma of tissue in which capillaries)

50-59:

Drug abuser
Drug addiction
Drug hypersensitivity
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
Rotator cuff syndrome (a spectrum of conditions affecting the rotator cuff tendons of the shoulder)

60+:

Drug hypersensitivity
Nausea (feeling of having an urge to vomit)

What are the existing conditions these people have? *

Cough: 2 people, 13.33%
Cardiac Failure Congestive: 2 people, 13.33%
Pulmonary Congestion (congestion in the lungs): 1 person, 6.67%
Impaired Gastric Emptying: 1 person, 6.67%
Headache (pain in head): 1 person, 6.67%
Fibromyalgia (a long-term condition which causes pain all over the body): 1 person, 6.67%
Enlarged Heart: 1 person, 6.67%
Chronic Obstructive Pulmonary Disease (a progressive disease that makes it hard to breathe): 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

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