Auvi-q and Synthroid drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Auvi-q (epinephrine) and Synthroid (levothyroxine sodium). Common drug interactions include tachycardia among females and abdominal distension among males.

The phase IV clinical study analyzes what interactions people have when they take Auvi-q and Synthroid. It is created by eHealthMe based on reports of 34 people who take the same drugs from the FDA, and is updated regularly.

What is Auvi-q?

Auvi-q has active ingredients of epinephrine. eHealthMe is studying from 878 Auvi-q users. Check the latest studies of Auvi-q.

What is Synthroid?

Synthroid has active ingredients of levothyroxine sodium. It is often used in hypothyroidism. eHealthMe is studying from 249,198 Synthroid users. Check the latest studies of Synthroid.

On Jul, 16, 2026

34 people who take Auvi-q and Synthroid together, and have interactions are studied.

What are the common drug interactions of Auvi-Q and Synthroid, by gender? *:

female:

Tachycardia (a heart rate that exceeds the range of 100 beats/min)
Tremor (trembling or shaking movements in one or more parts of your body)
Abdominal pain
Adverse drug reaction
Anger
Bell's palsy (facial paralysis)
Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure)
Bruxism (habitual grinding of the teeth, typically during sleep)
Chest discomfort
Concussion (short loss of normal brain function in response to a head injury)

male:

Abdominal distension
Abdominal pain
Constipation
Dehydration (dryness resulting from the removal of water)
Depression
Device dislocation
Diarrhoea
Diplopia (double vision)
Dizziness
Dysphonia (speech disorder attributable to a disorder of phonation)

What are the common drug interactions of Auvi-Q and Synthroid, 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:

Asthma
Drug ineffective
Oral herpes (viral infection of mouth)
Amnesia (deficit in memory caused by brain damage, disease, or psychological trauma)
Anxiety
Chills (felling of cold)
Dizziness
Ear discomfort
Eye irritation
Fatigue (feeling of tiredness)

50-59:

Adverse drug reaction
Bell's palsy (facial paralysis)
Blister (small pocket of fluid within the upper layers of the skin caused by forceful rubbing (friction), burning, freezing, chemical exposure)
Bruxism (habitual grinding of the teeth, typically during sleep)
Dermatitis contact (skin reaction (dermatitis) resulting from exposure to allergens)
Dysphonia (speech disorder attributable to a disorder of phonation)
Endocarditis (inflammation in heart muscle)
Fatigue (feeling of tiredness)
Headache (pain in head)
Hyperlipidaemia (presence of excess lipids in the blood)

60+:

Breast cancer stage i
Abdominal pain
Diarrhoea
Drug effect decreased
Emotional distress
Infection
Irritable bowel syndrome
Secretion discharge

What are the existing conditions these people have? *

Asthma: 10 people, 29.41%
Immunodeficiency Common Variable: 8 people, 23.53%
Dehydration (dryness resulting from the removal of water): 6 people, 17.65%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 5 people, 14.71%
Nasal Polyps (masses that develop in the lining of the nose): 4 people, 11.76%
Drowsiness: 4 people, 11.76%
Chronic Thyroiditis (long lasting inflammation of thyroid gland): 3 people, 8.82%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 3 people, 8.82%
Anaphylaxis (serious allergic reaction that is rapid in onset and may cause death): 3 people, 8.82%
Hypersensitivity: 2 people, 5.88%

* Approximation only. Some reports may have incomplete information.

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