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

Summary:

Drug interactions are reported among people who take B12 (cobalamin) and Cequa (cyclosporine). Common drug interactions include arthralgia among females and gastric disorder among males.

The phase IV clinical study analyzes what interactions people have when they take B12 and Cequa. It is created by eHealthMe based on reports of 23 people who take the same drugs from the FDA, and is updated regularly.

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.

What is Cequa?

Cequa has active ingredients of cyclosporine. eHealthMe is studying from 1,543 Cequa users. Check the latest studies of Cequa.

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

23 people who take B12 and Cequa together, and have interactions are studied.

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

female:

Arthralgia (joint pain)
Eye pain
Dizziness
Dry eye (lack of adequate tears)
Peripheral swelling
Adverse drug reaction
Aneurysm (enlargement of an artery caused by a weakening of the artery wall)
Aphasia (damage to the parts of the brain that control language)
Asthenia (weakness)
Blood pressure increased

male:

Gastric disorder (disease of stomach)
Anxiety
Chest pain
Death
Decreased appetite
Dry mouth
Dyspnoea (difficult or laboured respiration)
Mania (a state of abnormally elevated or irritable mood)
Myocardial infarction (destruction of heart tissue resulting from obstruction of the blood supply to the heart muscle)
Oral discomfort (pain or irritation in mouth)

What are the common drug interactions of B12 and Cequa, 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:

Eye pain
Hospitalisation

50-59:

n/a

60+:

Arthralgia (joint pain)
Fall
Contusion (a type of hematoma of tissue in which capillaries)
Cystitis (inflammation of the wall of the bladder)
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Diarrhoea
Dizziness
Dry eye (lack of adequate tears)
Fungal skin infection
Haemorrhage (bleeding)

What are the existing conditions these people have? *

Neurotrophic Keratopathy (decreased corneal sensitivity and poor corneal healing): 7 people, 30.43%
Dry Eyes (lack of adequate tears): 3 people, 13.04%
Ulcerative Keratitis (ulcerative inflammation of the cornea): 2 people, 8.70%
Rheumatoid Arthritis (a chronic progressive disease causing inflammation in the joints): 2 people, 8.70%
Peripheral Swelling: 2 people, 8.70%
Irritable Bowel Syndrome: 2 people, 8.70%
Hypoaesthesia Eye (reduced sense of touch or sensation on eyes): 2 people, 8.70%
Crohn's Disease (a condition that causes inflammation of the gastrointestinal tract): 2 people, 8.70%
Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 2 people, 8.70%
Autoimmune Disorder (a condition in which the immune system attacks the body's normal substances and tissue): 2 people, 8.70%

* Approximation only. Some reports may have incomplete information.

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