Losartan and Flavin drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Losartan (losartan potassium) and Flavin (riboflavin (vitamin b2)). Common drug interactions include sinus disorder among females and pneumonia among males.

The phase IV clinical study analyzes what interactions people have when they take Losartan and Flavin. It is created by eHealthMe based on reports of 81 people who take the same drugs from the FDA, and is updated regularly.

What is Losartan?

Losartan has active ingredients of losartan potassium. It is often used in high blood pressure. eHealthMe is studying from 177,692 Losartan users. Check the latest studies of Losartan.

What is Flavin?

Flavin has active ingredients of riboflavin (vitamin b2). eHealthMe is studying from 2,870 Flavin users. Check the latest studies of Flavin.

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, 23, 2026

81 people who take Losartan and Flavin together, and have interactions are studied.

What are the common drug interactions of Losartan and Flavin, by gender? *:

female:

Sinus disorder (disease of sinus)
Staphylococcal infection (an infection with staphylococcus bacteria)
Transaminases increased
Pain
Arthralgia (joint pain)
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Cellulitis (infection under the skin)
Cold sweat
Deafness
Dehydration (dryness resulting from the removal of water)

male:

Pneumonia
Prostatitis (inflammation of the prostate gland)
Leukopenia (less number of white blood cells in blood)
Lower limb fracture
Migraine (headache)
Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Nerve compression
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Pelvic fracture
Speech disorder

What are the common drug interactions of Losartan and Flavin, 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:

Circadian rhythm sleep disorder (family of sleep disorders affecting, among other things, the timing of sleep)
Delayed sleep phase
Exostosis (formation of new bone on the surface of a bone)
Gastrooesophageal reflux disease (stomach contents (food or liquid) leak backwards from the stomach into the oesophagus)
Hypercholesterolaemia (high levels of cholesterol in the blood)
Nasal obstruction (blockage of nose)
Nasal turbinate hypertrophy (nasal turbinates become enlarged)
Orthostatic hypotension (a medical condition consisting of a sudden decrease in blood pressure when a person stands up)
Rhinitis allergic (inflammation of the nasal airways due to allergy)
Somnolence (a state of near-sleep, a strong desire for sleep)

50-59:

Activated partial thromboplastin time shortened
Arthralgia (joint pain)
Arthritis (form of joint disorder that involves inflammation of one or more joints)
Bacterial test positive
Cells in urine
Chest pain
Clostridium difficile colitis (inflammation of colon by clostridium difficile bacteria infection)
Deafness
Dehydration (dryness resulting from the removal of water)
Depression

60+:

Pneumonia
Fall
Contusion (a type of hematoma of tissue in which capillaries)
Eye disorder
Infusion site extravasation (flow of (blood or lymph) from infusion site)
Sinusitis (inflammation of sinus)
Skin atrophy (wasting of skin)
Road traffic accident
Asthma
Bursitis (inflammation of a bursa, typically one in the knee, elbow, or shoulder)

What are the existing conditions these people have? *

Immunodeficiency Common Variable: 15 people, 18.52%
Pain: 8 people, 9.88%
Diabetes: 8 people, 9.88%
High Blood Cholesterol: 7 people, 8.64%
Gastroesophageal Reflux Disease (a condition in which stomach contents leak backward from the stomach into the oesophagus): 7 people, 8.64%
Hypersensitivity: 6 people, 7.41%
Hyperlipidaemia (presence of excess lipids in the blood): 5 people, 6.17%
Atrial Fibrillation/flutter (atrial fibrillation and flutter are abnormal heart rhythms in which the atria, or upper chambers of the heart, are out of sync with the ventricles): 5 people, 6.17%

* Approximation only. Some reports may have incomplete information.

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