Decadron and Tamiflu drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Decadron (dexamethasone) and Tamiflu (oseltamivir phosphate). Common drug interactions include bacterial infection among females and pyrexia among males.

The phase IV clinical study analyzes what interactions people have when they take Decadron and Tamiflu. It is created by eHealthMe based on reports of 69 people who take the same drugs from the FDA, and is updated regularly.

What is Decadron?

Decadron has active ingredients of dexamethasone. It is often used in multiple myeloma. eHealthMe is studying from 47,210 Decadron users. Check the latest studies of Decadron.

What is Tamiflu?

Tamiflu has active ingredients of oseltamivir phosphate. It is often used in the flu. eHealthMe is studying from 22,209 Tamiflu users. Check the latest studies of Tamiflu.

On Jul, 09, 2026

69 people who take Decadron and Tamiflu together, and have interactions are studied.

What are the common drug interactions of Decadron and Tamiflu, by gender? *:

female:

Bacterial infection
Hyperuricaemia (level of uric acid in the blood that is abnormally high)
Metrorrhagia (uterine bleeding at irregular intervals)
Neck pain
Oral candidiasis (fungal infection of mouth)
Pyrexia (fever)
Skin mass
Erythema (redness of the skin)
Lymphadenitis (inflammation or enlargement of a lymph node)
Lymphadenopathy (disease or enlargement of lymph nodes)

male:

Pyrexia (fever)
Platelet count decreased
Pyelonephritis (inflammation of kidney caused by bacteria)
Liposarcoma (a cancer tumour that arises in fat cells in deep soft tissue)
Malignant pleural effusion (a condition in which cancer causes an abnormal amount of fluid to collect between the thin layers of tissue lining of lung)
Myelosuppression (a decrease in the production of blood cells)
Bone marrow failure
Pneumonia
Anxiety
Depression

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

0-1:

n/a

2-9:

n/a

10-19:

Anhedonia (inability to experience pleasure from activities usually found enjoyable)
Anxiety
Cellulitis (infection under the skin)
Deep vein thrombosis (blood clot in a major vein that usually develops in the legs and/or pelvis)
Depression
Injury
Pain in extremity
Pyrexia (fever)
Local swelling (swelling at the site of some application of substance or injury)
Abortion spontaneous (naturally occurring miscarriage)

20-29:

Myalgia (muscle pain)
Nasopharyngitis (inflammation of the nasopharynx)
Pharyngitis (inflammation of the pharynx, causing a sore throat)
Systemic lupus erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue)
Upper respiratory tract inflammation
Nausea (feeling of having an urge to vomit)
Anaemia (lack of blood)
Arthralgia (joint pain)
Bacterial infection
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)

30-39:

Electrocardiogram qt prolonged
Pain in jaw
Pneumonia
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Blood cholesterol increased
Bronchitis (inflammation of the mucous membrane in the bronchial tubes)
Cholelithiasis (the presence or formation of gallstones in the gallbladder or bile ducts)
Glaucoma (increased fluid pressure in the eye with vision loss)
Hypertension (high blood pressure)
Neuropathy peripheral (surface nerve damage)

40-49:

Liposarcoma (a cancer tumour that arises in fat cells in deep soft tissue)
Malignant pleural effusion (a condition in which cancer causes an abnormal amount of fluid to collect between the thin layers of tissue lining of lung)
Myelosuppression (a decrease in the production of blood cells)
Bone marrow failure
Colitis microscopic (inflammation of colon with diarrhoea and abdominal cramps)
Diarrhoea
Febrile neutropenia (fever with reduced white blood cells)
Dysgeusia (disorder of the sense of taste)
Hair colour changes
Hypertension (high blood pressure)

50-59:

Anxiety
Depression
Drug abuser
Drug dependence
Drug withdrawal syndrome (interfere with normal social, occupational, or other functioning. are not due to another medical condition, drug use, or discontinuation)
Insomnia (sleeplessness)
Memory impairment
Pain
Sinusitis (inflammation of sinus)
Somnolence (a state of near-sleep, a strong desire for sleep)

60+:

Pneumonia
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Anxiety
Cardiac failure
Depression
Drug ineffective
Fall
Hair colour changes
Hair disorder
Infection

What are the existing conditions these people have? *

Pain: 9 people, 13.04%
Nausea (feeling of having an urge to vomit): 8 people, 11.59%
Muscle Aches (muscle pain): 7 people, 10.14%
Lupus Nephritis (a chronic inflammatory autoimmune disorder that may affect kidney tissue): 7 people, 10.14%
Upper Respiratory Tract Inflammation: 7 people, 10.14%
Systemic Lupus Erythematosus (an autoimmune disease, which means the body's immune system mistakenly, attacks healthy tissue): 7 people, 10.14%
Diarrhea: 7 people, 10.14%
Pharyngitis (inflammation of the pharynx, causing a sore throat): 7 people, 10.14%
Hyperlipidaemia (presence of excess lipids in the blood): 7 people, 10.14%
High Blood Pressure: 6 people, 8.70%

* Approximation only. Some reports may have incomplete information.

Do you take Decadron and Tamiflu?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously