Methylcobalamin and Olopatadine hydrochloride drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Methylcobalamin (vitamin b12) and Olopatadine hydrochloride (olopatadine hydrochloride). Common drug interactions include alanine aminotransferase increased among females and gait disturbance among males.

The phase IV clinical study analyzes what interactions people have when they take Methylcobalamin and Olopatadine hydrochloride. It is created by eHealthMe based on reports of 22 people who take the same drugs from the FDA, and is updated regularly.

What is Methylcobalamin?

Methylcobalamin has active ingredients of vitamin b12. It is often used in vitamin b12 deficiency. eHealthMe is studying from 3,184 Methylcobalamin users. Check the latest studies of Methylcobalamin.

What is Olopatadine hydrochloride?

Olopatadine hydrochloride has active ingredients of olopatadine hydrochloride. eHealthMe is studying from 4,420 Olopatadine hydrochloride users. Check the latest studies of Olopatadine hydrochloride.

On Jul, 13, 2026

22 people who take Methylcobalamin and Olopatadine hydrochloride together, and have interactions are studied.

Methylcobalamin and Olopatadine hydrochloride drug interactions.

What are the common drug interactions of Methylcobalamin and Olopatadine Hydrochloride, by gender? *:

female:

Alanine aminotransferase increased
Aspartate aminotransferase increased
Urinary tract infection
Burning sensation
Decreased appetite
Dizziness
Hypoaesthesia (reduced sense of touch or sensation)
Ligament sprain (ligament stretched)
Lymphocyte count decreased
Nausea (feeling of having an urge to vomit)

male:

Gait disturbance
Interstitial lung disease
Gastric cancer (stomach cancer)
Pemphigoid (tense blisters on the skin)
Altered state of consciousness (altered state of mind)
Blood pressure increased
Cardiac failure
Cerebral infarction (less blood supply to brain resulting tissue damage)
Diabetes mellitus (diabetes, caused by a deficiency of the pancreatic hormone insulin)
Drug-induced liver injury (diseases of the liver that are caused by physician-prescribed medications)

What are the common drug interactions of Methylcobalamin and Olopatadine Hydrochloride, by age (0-1 to 60+)? *:

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

Bacteraemia (presence of bacteria in the blood)
Disseminated intravascular coagulation (systemic activation of blood coagulation)
Endocarditis (inflammation in heart muscle)
Liver disorder (liver diseases)
Mycoplasma test positive
Pelvic venous thrombosis (blood clot occurring inside a blood vessel and thromboses (dvts) that form in the deep veins of the legs or in the pelvic veins)
Splenic infarction (tissue damage of spleen)
Stevens-johnson syndrome (an immune-complex-mediated hypersensitivity disorder. it ranges from mild skin and mucous membrane lesions to a severe)
Toxic epidermal necrolysis (a rare, life-threatening skin condition that is usually caused by a reaction to drugs causes wide spread skin destruction)
Transfusion-related acute lung injury (lung injury due to blood transfusion)

30-39:

n/a

40-49:

Depressed level of consciousness
Headache (pain in head)
Subdural haematoma (blood collects between the skull and the surface of the brain)

50-59:

Urinary tract infection
Alanine aminotransferase increased
Aspartate aminotransferase increased
Burning sensation
Dizziness
Hypoaesthesia (reduced sense of touch or sensation)
Ligament sprain (ligament stretched)
Lymphocyte count decreased
Nausea (feeling of having an urge to vomit)
Post herpetic neuralgia (neuralgia caused by the varicella zoster virus)

60+:

Decreased appetite
Platelet count decreased
Gamma-glutamyltransferase increased
Interstitial lung disease
Liver disorder (liver diseases)
Neutrophil count decreased (less than normal number of neutrophil a type of blood cell)
Weight increased
Adrenal insufficiency (a condition in which the adrenal glands do not produce adequate amounts of steroids)
Altered state of consciousness (altered state of mind)
Blood pressure increased

What are the existing conditions these people have? *

Post Herpetic Neuralgia (neuralgia caused by the varicella zoster virus): 4 people, 18.18%
Liver Disorder (liver diseases): 4 people, 18.18%
Secondary Progressive Multiple Sclerosis (a stage of ms which comes after relapsing remitting ms in many cases): 4 people, 18.18%
High Blood Pressure: 3 people, 13.64%
Febrile Neutropenia (fever with reduced white blood cells): 3 people, 13.64%
Small Cell Lung Cancer Extensive Stage (small cell lung cancer that has spread (metastasized) to other regions of the body such as another lobe of the lung or the brain): 2 people, 9.09%
Emphysema (chronic respiratory disease - over inflation of the air sacs (alveoli) in the lungs): 2 people, 9.09%
Cataract (clouding of the lens inside the eye): 2 people, 9.09%
Constipation: 2 people, 9.09%
Dental Caries: 2 people, 9.09%

* Approximation only. Some reports may have incomplete information.

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