Oseltamivir phosphate and Fentanyl drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Oseltamivir phosphate (oseltamivir phosphate) and Fentanyl (fentanyl citrate). Common drug interactions include anaemia among females and haemorrhagic stroke among males.

The phase IV clinical study analyzes what interactions people have when they take Oseltamivir phosphate and Fentanyl. 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 Oseltamivir phosphate?

Oseltamivir phosphate has active ingredients of oseltamivir phosphate. eHealthMe is studying from 1,825 Oseltamivir phosphate users. Check the latest studies of Oseltamivir phosphate.

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.

On Jul, 21, 2026

15 people who take Oseltamivir phosphate and Fentanyl together, and have interactions are studied.

Oseltamivir phosphate and Fentanyl drug interactions.

What are the common drug interactions of Oseltamivir Phosphate and Fentanyl, by gender? *:

female:

Anaemia (lack of blood)
Asthenia (weakness)
Bradycardia (abnormally slow heart action)
Cardiac arrest
Chronic kidney disease
Fluid overload (too much fluid in the blood)
Gastric haemorrhage (bleeding stomach)
Hepatic cyst infection
Hypertension (high blood pressure)
Lobar pneumonia (a form of pneumonia that affects a large and continuous area of the lobe of a lung)

male:

Haemorrhagic stroke (stroke caused by the rupture of a blood vessel in the brain)
Multiple injuries
Neoplasm malignant (cancer tumour)
Vomiting
Lung infection
Sepsis (a severe blood infection that can lead to organ failure and death)
Abdominal pain
Chronic kidney disease
Clostridial infection (infectious conditions by clostridium bacteria)
Conjunctivitis (pink eye)

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

0-1:

Abdominal pain
Clostridial infection (infectious conditions by clostridium bacteria)
Conjunctivitis (pink eye)
Diarrhoea
Disseminated intravascular coagulation (systemic activation of blood coagulation)
Febrile neutropenia (fever with reduced white blood cells)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
Penile ulceration

2-9:

Cardiac arrest
Hypertension (high blood pressure)
Swelling face
Wheezing (a high-pitched whistling sound made while you breath)

10-19:

n/a

20-29:

Multi-organ failure (multisystem organ failure)

30-39:

n/a

40-49:

n/a

50-59:

Bradycardia (abnormally slow heart action)
Chronic kidney disease
Renal failure (kidney dysfunction)

60+:

Febrile neutropenia (fever with reduced white blood cells)
Lung infection
Gastric haemorrhage (bleeding stomach)
Gastrointestinal haemorrhage (bleeding gastrointestinal tract)
Glomerulosclerosis (a hardening of the glomerulus in the kidney)
Haematochezia (passage of stools containing blood)
Hepatic cyst infection
Lobar pneumonia (a form of pneumonia that affects a large and continuous area of the lobe of a lung)
Loss of consciousness
Lymph node tuberculosis

What are the existing conditions these people have? *

Constipation: 4 people, 26.67%
Sedation: 3 people, 20.00%
Insomnia (sleeplessness): 3 people, 20.00%
The Flu (the flu is caused by an influenza virus): 3 people, 20.00%
Wound Complication: 2 people, 13.33%
Nausea (feeling of having an urge to vomit): 2 people, 13.33%
Multiple Myeloma (cancer of the plasma cells): 2 people, 13.33%
Hypoalbuminaemia (levels of albumin in blood serum are abnormally low): 2 people, 13.33%
High Blood Pressure: 2 people, 13.33%
High Blood Cholesterol: 2 people, 13.33%

* Approximation only. Some reports may have incomplete information.

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