Vancomycin hcl and B12 drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Vancomycin hcl (vancomycin hydrochloride) and B12 (cobalamin). Common drug interactions include diarrhoea among females and anxiety among males.

The phase IV clinical study analyzes what interactions people have when they take Vancomycin hcl and B12. It is created by eHealthMe based on reports of 47 people who take the same drugs from the FDA, and is updated regularly.

What is Vancomycin hcl?

Vancomycin hcl has active ingredients of vancomycin hydrochloride. It is often used in clostridium difficile colitis. eHealthMe is studying from 6,530 Vancomycin hcl users. Check the latest studies of Vancomycin hcl.

What is B12?

B12 has active ingredients of cobalamin. It is often used in vitamin b12 deficiency. eHealthMe is studying from 121,894 B12 users. Check the latest studies of B12.

On Jul, 12, 2026

47 people who take Vancomycin hcl and B12 together, and have interactions are studied.

Vancomycin hcl and B12 drug interactions.

What are the common drug interactions of Vancomycin Hcl and B12, by gender? *:

female:

Diarrhoea
Malaise (a feeling of general discomfort or uneasiness)
Injection site mass
Staphylococcal infection (an infection with staphylococcus bacteria)
Asthenia (weakness)
Pneumonia
Surgery
Antibiotic level above therapeutic
Blood creatinine increased
Anal fissure

male:

Anxiety
Diarrhoea
Cardiac arrest
Drug resistance (reduction in effectiveness of a drug)
Immunodeficiency
Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)
Respiratory failure (inadequate gas exchange by the respiratory system)
Sepsis (a severe blood infection that can lead to organ failure and death)
Atrial fibrillation (fibrillation of the muscles of the atria of the heart)
Deafness unilateral

What are the common drug interactions of Vancomycin Hcl and B12, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Blood pressure increased
Galactorrhoea (secretion of breast milk in men)
Heart rate increased
Suicidal ideation

30-39:

n/a

40-49:

Drug resistance (reduction in effectiveness of a drug)
Foot fracture
Hiatus hernia (hernia resulting from the protrusion of part of the stomach through the diaphragm)
Malaise (a feeling of general discomfort or uneasiness)

50-59:

Colitis (inflammation of colon)
Diarrhoea
Hypophysitis (inflammation of the pituitary gland)
Immune thrombocytopenic purpura (destruction of blood platelets due to the presence of antiplatelet auto antibodies)
Nausea (feeling of having an urge to vomit)
Neuropathy peripheral (surface nerve damage)

60+:

Diarrhoea
Anxiety
Injection site mass
Malaise (a feeling of general discomfort or uneasiness)
Staphylococcal infection (an infection with staphylococcus bacteria)
Antibiotic level above therapeutic
Blood creatinine increased
Cardiac arrest
Immunodeficiency
Pancytopenia (medical condition in which there is a reduction in the number of red and white blood cells, as well as platelets)

What are the existing conditions these people have? *

Multiple Myeloma (cancer of the plasma cells): 12 people, 25.53%
Pain: 9 people, 19.15%
Narcolepsy (brain's inability to regulate sleep-wake cycles normally): 9 people, 19.15%
High Blood Cholesterol: 8 people, 17.02%
Cataplexy (loss of muscle tone accompanied by full conscious awareness): 6 people, 12.77%
Constipation: 5 people, 10.64%
Dyspnea (difficult or laboured breathing): 5 people, 10.64%
Depression: 4 people, 8.51%
Dizziness: 4 people, 8.51%
Heart Rate Irregular: 4 people, 8.51%

* Approximation only. Some reports may have incomplete information.

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