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

Summary:

Drug interactions are reported among people who take Dymista (azelastine hydrochloride; fluticasone propionate) and Tamiflu (oseltamivir phosphate). Common drug interactions include bone density decreased among females and chronic kidney disease among males.

The phase IV clinical study analyzes what interactions people have when they take Dymista and Tamiflu. It is created by eHealthMe based on reports of 36 people who take the same drugs from the FDA, and is updated regularly.

What is Dymista?

Dymista has active ingredients of azelastine hydrochloride; fluticasone propionate. It is often used in allergies. eHealthMe is studying from 4,407 Dymista users. Check the latest studies of Dymista.

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, 12, 2026

36 people who take Dymista and Tamiflu together, and have interactions are studied.

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

female:

Bone density decreased
Fatigue (feeling of tiredness)
Gastrointestinal disorder (functional problems of gastrointestinal tract)
Haemophilus infection (bacterial infection by haemophilus influenzae)
Infusion related reaction
Infusion site pain
Infusion site swelling
Lethargy (tiredness)
Multimorbidity (co-occurrence of two or more chronic medical conditions in one person)
Pain in extremity

male:

Chronic kidney disease
Fatigue (feeling of tiredness)
Blood phosphorus increased
Blood potassium increased
Blood sodium increased
Blood triglycerides increased
Blood urea increased
Carbon dioxide decreased
Deafness
Diabetic neuropathy (neuropathic disorders that are associated with diabetes mellitus)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Hypotension (abnormally low blood pressure)
Pre-eclampsia (high blood pressure and significant amounts of protein in the urine of a pregnant woman)
Premature delivery
Affect lability (emotional incontinence)
Anxiety
Hypoaesthesia (reduced sense of touch or sensation)
Insomnia (sleeplessness)
Muscle spasms (muscle contraction)
Pain in extremity
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)

40-49:

Arthralgia (joint pain)
Fall
Joint stiffness
Knee arthroplasty
Bone density decreased
Chronic kidney disease
Joint swelling
Osteonecrosis (death of bone)
Pain in extremity
Peripheral swelling

50-59:

Renal failure (kidney dysfunction)
Renal impairment (severely reduced kidney function)
Restless legs syndrome (a powerful urge to move your legs)
Road traffic accident
Seizure (abnormal excessive or synchronous neuronal activity in the brain)
Sinus congestion (blockage of sinus)
Syncope (loss of consciousness with an inability to maintain postural tone)
Thyroid disorder (thyroid diseases)
Tremor (trembling or shaking movements in one or more parts of your body)
Type 2 diabetes mellitus

60+:

Drug ineffective
Abdominal discomfort
Dehydration (dryness resulting from the removal of water)
Diarrhoea
Disease progression
Dry mouth
Dysgeusia (disorder of the sense of taste)
Fatigue (feeling of tiredness)
Gingival pain (gum pain)
Haemorrhage subcutaneous (bleeding from skin)

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 8 people, 22.22%
Primary Immunodeficiency Syndrome: 8 people, 22.22%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 8 people, 22.22%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 8 people, 22.22%
Asthma: 4 people, 11.11%
Bipolar Disorder (mood disorder): 4 people, 11.11%
Pain: 4 people, 11.11%
Drowsiness: 3 people, 8.33%
Infection: 3 people, 8.33%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 3 people, 8.33%

* Approximation only. Some reports may have incomplete information.

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