Formoterol fumarate and Uniphyl drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Formoterol fumarate (formoterol fumarate) and Uniphyl (theophylline). Common drug interactions include upper respiratory tract infection among females and asthma among males.

The phase IV clinical study analyzes what interactions people have when they take Formoterol fumarate and Uniphyl. It is created by eHealthMe based on reports of 48 people who take the same drugs from the FDA, and is updated regularly.

What is Formoterol fumarate?

Formoterol fumarate has active ingredients of formoterol fumarate. eHealthMe is studying from 4,968 Formoterol fumarate users. Check the latest studies of Formoterol fumarate.

What is Uniphyl?

Uniphyl has active ingredients of theophylline. eHealthMe is studying from 3,086 Uniphyl users. Check the latest studies of Uniphyl.

On Jul, 16, 2026

48 people who take Formoterol fumarate and Uniphyl together, and have interactions are studied.

Formoterol fumarate and Uniphyl drug interactions.

What are the common drug interactions of Formoterol Fumarate and Uniphyl, by gender? *:

female:

Upper respiratory tract infection
Weight decreased
Lung infection
Extrasystoles
Overweight
Herpes zoster
Hypersensitivity
Rhinitis (a medical term for irritation and inflammation of the mucous membrane inside the nose)
Drug effect decreased
Affective disorder (mental disorder)

male:

Asthma
Dyspnoea (difficult or laboured respiration)
Lung neoplasm (tumour of lung)
Oropharyngeal candidiasis (fungal infection of oropharynx)
Pneumonia
Respiratory disorder (respiratory disease)
Stenotrophomonas infection
Weight increased
Eosinophil count increased
Hospitalisation

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Asthma
Asthenia (weakness)
Bronchial obstruction (blockage of the breathing passages to the lungs)
Chest discomfort
Conjunctivitis (pink eye)
Cough
Disease recurrence
Dizziness
Eosinophilia (eosinophil count in the peripheral blood exceeds)
Feeling hot

40-49:

Hypoaesthesia (reduced sense of touch or sensation)
Hypochromic anaemia (hypochromic anaemia is a generic term for any type of anaemia in which the red blood cells (erythrocytes) are paler than normal)
Iron deficiency anaemia
Muscle spasms (muscle contraction)
Nasal congestion (blockage of the nasal passages usually due to membranes lining the nose becoming swollen from inflamed blood vessels)
Nasal dryness (dry nose)
Nausea (feeling of having an urge to vomit)
Nephrolithiasis (calculi in the kidneys)
Obesity (having too much body fat)
Pain

50-59:

Affective disorder (mental disorder)
Ankle fracture
Asthma
Breath sounds
Bronchial disorder
Bronchial haemorrhage (bleeding in bronchia)
Bronchial neoplasm (bronchial tumour)
Dyspnoea (difficult or laboured respiration)
Granuloma (a small area of inflammation due to tissue injury)
Herpes zoster

60+:

Asthma
Chronic obstructive pulmonary disease (a progressive disease that makes it hard to breathe)
Bronchitis chronic (inflammation of the mucous membrane in the bronchial tubes- chronic)
Cushing's syndrome (obesity, a rounded face, increased fat)
Cushingoid (obesity and weakening of the muscles)
Drug intolerance (drug sensitivity)
Eosinophilia (eosinophil count in the peripheral blood exceeds)
Escherichia infection (bacterial infection by escherichia coli)
Hypercholesterolaemia (high levels of cholesterol in the blood)
Influenza

What are the existing conditions these people have? *

Asthma: 21 people, 43.75%
Pain: 6 people, 12.50%

* Approximation only. Some reports may have incomplete information.

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