Vitamin b and Flagyl drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Vitamin b (l - carnitine) and Flagyl (metronidazole). Common drug interactions include faeces hard among females and anxiety among males.

The phase IV clinical study analyzes what interactions people have when they take Vitamin b and Flagyl. It is created by eHealthMe based on reports of 43 people who take the same drugs from the FDA, and is updated regularly.

What is Vitamin b?

Vitamin b has active ingredients of l - carnitine. It is often used in fatigue. eHealthMe is studying from 13,272 Vitamin b users. Check the latest studies of Vitamin b.

What is Flagyl?

Flagyl has active ingredients of metronidazole. It is often used in vaginitis bacterial. eHealthMe is studying from 25,897 Flagyl users. Check the latest studies of Flagyl.

On Jul, 17, 2026

43 people who take Vitamin b and Flagyl together, and have interactions are studied.

What are the common drug interactions of Vitamin B and Flagyl, by gender? *:

female:

Faeces hard
Fistula (an abnormal connection or passageway between two)
Foot deformity (functional disability of foot)
Gingival bleeding (bleeding gums)
Headache (pain in head)
Hyperparathyroidism secondary (an abnormally high concentration of parathyroid hormone in the blood, resulting in weakening of the bones through loss of calcium-secondary)
Hypoaesthesia (reduced sense of touch or sensation)
Malaise (a feeling of general discomfort or uneasiness)
Nasopharyngitis (inflammation of the nasopharynx)
Nausea (feeling of having an urge to vomit)

male:

Anxiety
Asthenia (weakness)
Catheter site discharge
Chest discomfort
Chest pain
Constipation
Dehydration (dryness resulting from the removal of water)
Device dislocation
Diplopia (double vision)
Dizziness

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Malaise (a feeling of general discomfort or uneasiness)

30-39:

Abdominal pain upper
Dyskinesia (abnormality or impairment of voluntary movement)
Faeces hard
Gingival bleeding (bleeding gums)
Headache (pain in head)
Nasopharyngitis (inflammation of the nasopharynx)
Pyrexia (fever)
Thermal burn (burn by heat)

40-49:

Aphthous ulcer (mouth ulcer)
Crohn's disease (a condition that causes inflammation of the gastrointestinal tract)
Gastrointestinal inflammation (inflammation of stomach and intestine)
Gastrointestinal ulcer
Pouchitis (inflammatory bowel disease)
Proctitis (inflammation of the rectum and anus)

50-59:

Drug intolerance (drug sensitivity)
Gastrointestinal disorder (functional problems of gastrointestinal tract)

60+:

Neuropathy peripheral (surface nerve damage)
Sensory disturbance (sense disturbance)
Pain in extremity
Renal failure (kidney dysfunction)
Tubulointerstitial nephritis (a form of nephritis affecting the interstitium of the kidneys surrounding the tubules)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Bradycardia (abnormally slow heart action)
Chronic kidney disease
Drug ineffective
Gallbladder obstruction

What are the existing conditions these people have? *

High Blood Pressure: 8 people, 18.60%
Ulcerative Colitis (inflammatory bowel disease (ibd). it causes swelling, ulcerations, and loss of function of the large intestine): 6 people, 13.95%
Immunodeficiency Common Variable: 6 people, 13.95%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 6 people, 13.95%
Colitis (inflammation of colon): 6 people, 13.95%
Type 1 Diabetes: 5 people, 11.63%
Hypothyroidism (abnormally low activity of the thyroid gland, resulting in retardation of growth and mental development): 5 people, 11.63%
Dehydration (dryness resulting from the removal of water): 4 people, 9.30%
Dysmenorrhea (painful menstruation): 3 people, 6.98%

* Approximation only. Some reports may have incomplete information.

Do you take Vitamin b and Flagyl?

- Personalize this study to your gender, age, symptoms and drugs
- Predict drug outcomes for up to one year with AI
- Get an AI agent to monitor your drugs continuously