Thiamine mononitrate and Fentanyl drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Thiamine mononitrate (thiamine (vitamin b1)) and Fentanyl (fentanyl citrate). Common drug interactions include diarrhoea among females and agranulocytosis among males.

The phase IV clinical study analyzes what interactions people have when they take Thiamine mononitrate and Fentanyl. It is created by eHealthMe based on reports of 16 people who take the same drugs from the FDA, and is updated regularly.

What is Thiamine mononitrate?

Thiamine mononitrate has active ingredients of thiamine (vitamin b1). eHealthMe is studying from 380 Thiamine mononitrate users. Check the latest studies of Thiamine mononitrate.

What is Fentanyl?

Fentanyl has active ingredients of fentanyl citrate. It is often used in pain. eHealthMe is studying from 73,301 Fentanyl users. Check the latest studies of Fentanyl.

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, 31, 2026

16 people who take Thiamine mononitrate and Fentanyl together, and have interactions are studied.

Thiamine mononitrate and Fentanyl drug interactions.

What are the common drug interactions of Thiamine Mononitrate and Fentanyl, by gender? *:

female:

Diarrhoea
Drug hypersensitivity
Drug ineffective
Drug intolerance (drug sensitivity)
Dry eye (lack of adequate tears)
Epigastric discomfort
Fatigue (feeling of tiredness)
Gastrointestinal disorder (functional problems of gastrointestinal tract)
Hypersensitivity
Infection

male:

Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection)
Gastrointestinal infection (infection of stomach and intestine)
Pneumonia
Sepsis (a severe blood infection that can lead to organ failure and death)
Respiratory failure (inadequate gas exchange by the respiratory system)

What are the common drug interactions of Thiamine Mononitrate and Fentanyl, 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:

n/a

50-59:

Agranulocytosis (a deficiency of granulocytes in the blood, causing increased vulnerability to infection)
Gastrointestinal infection (infection of stomach and intestine)
Pneumonia
Sepsis (a severe blood infection that can lead to organ failure and death)
Respiratory failure (inadequate gas exchange by the respiratory system)

60+:

Blood creatinine increased
Blood magnesium increased
Epigastric discomfort
Fatigue (feeling of tiredness)
Gastrointestinal disorder (functional problems of gastrointestinal tract)
Hypersensitivity
Infection
Nausea (feeling of having an urge to vomit)
Osteoarthritis (a joint disease caused by cartilage loss in a joint)
Osteopenia (a condition where bone mineral density is lower than normal)

What are the existing conditions these people have? *

Sleep Disorder: 14 people, 87.50%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 14 people, 87.50%
Arthritis (form of joint disorder that involves inflammation of one or more joints): 13 people, 81.25%
Adenomatous Polyposis Coli ((fap) is an inherited condition in which numerous polyps form mainly in the epithelium of the large intestine): 12 people, 75.00%
Dry Eyes (lack of adequate tears): 10 people, 62.50%
Non-Hodgkin's Lymphoma (malignant (cancer) cells form in the lymph system): 2 people, 12.50%
Myelosuppression (a decrease in the production of blood cells): 2 people, 12.50%
Gastrointestinal Infection (infection of stomach and intestine): 2 people, 12.50%

* Approximation only. Some reports may have incomplete information.

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