Definity and Fish oil drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Definity (perflutren) and Fish oil (fish oil). Common drug interactions include back pain among females and back pain among males.

The phase IV clinical study analyzes what interactions people have when they take Definity and Fish oil. It is created by eHealthMe based on reports of 51 people who take the same drugs from the FDA, and is updated regularly.

What is Definity?

Definity has active ingredients of perflutren. eHealthMe is studying from 4,853 Definity users. Check the latest studies of Definity.

What is Fish oil?

Fish oil has active ingredients of fish oil. It is often used in high blood cholesterol. eHealthMe is studying from 112,933 Fish oil users. Check the latest studies of Fish oil.

eHealthMe: drug outcomes in the real world

eHealthMe runs one of the largest post-marketing drug safety studies in the world. We study millions of patients and 5,000 more each day. Our data-driven phase IV clinical trials have been referenced on 800+ peer-reviewed medical publications including The Lancet, Mayo Clinic Proceedings, and Nature. Tools to study our phase IV findings are available to the public, anonymous and free >>>.

On Aug, 29, 2026

51 people who take Definity and Fish oil together, and have interactions are studied.

Definity and Fish oil drug interactions.

What are the common drug interactions of Definity and Fish Oil, by gender? *:

female:

Back pain
Cough
Headache (pain in head)
Muscle spasms (muscle contraction)
Nausea (feeling of having an urge to vomit)
Chest pain
Dyspnoea (difficult or laboured respiration)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Anaphylactic reaction (serious allergic reaction)
Blood pressure increased

male:

Back pain
Muscle spasms (muscle contraction)
Hypotension (abnormally low blood pressure)
Pneumonia
Presyncope
Syncope (loss of consciousness with an inability to maintain postural tone)
Throat irritation
Tremor (trembling or shaking movements in one or more parts of your body)
Urinary tract infection
Urticaria (rash of round, red welts on the skin that itch intensely)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Contrast media allergy (reaction associated with the use of intravenous contrast material during radiology)
Cough
Dizziness
Dysphagia (a condition in which swallowing is difficult or painful)
Dyspnoea (difficult or laboured respiration)
Wheezing (a high-pitched whistling sound made while you breath)

30-39:

n/a

40-49:

Hypoaesthesia (reduced sense of touch or sensation)
Hypoaesthesia oral (reduced sense of touch or sensation in mouth)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Paraesthesia oral (sensation of tingling, tickling, prickling, pricking, or burning of a person's oral with no apparent long-term physical effect)
Anxiety
Back pain
Chest pain
Cough
Dizziness postural
Dry mouth

50-59:

Back pain
Chest pain
Cough
Dyspnoea (difficult or laboured respiration)
Muscle spasms (muscle contraction)
Musculoskeletal pain (pain affects the bones, muscles, ligaments, tendons, and nerves)
Nausea (feeling of having an urge to vomit)
Pain in extremity
Throat tightness
Blood pressure decreased

60+:

Back pain
Muscle spasms (muscle contraction)
Chest pain
Cough
Dizziness
Hypotension (abnormally low blood pressure)
Nausea (feeling of having an urge to vomit)
Pneumonia
Presyncope
Syncope (loss of consciousness with an inability to maintain postural tone)

What are the existing conditions these people have? *

High Blood Pressure: 3 people, 5.88%

* Approximation only. Some reports may have incomplete information.

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