Omeprazole and Arzerra drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Omeprazole (omeprazole) and Arzerra (ofatumumab). Common drug interactions include gastroenteritis among females and diarrhoea among males.

The phase IV clinical study analyzes what interactions people have when they take Omeprazole and Arzerra. It is created by eHealthMe based on reports of 15 people who take the same drugs from the FDA, and is updated regularly.

What is Omeprazole?

Omeprazole has active ingredients of omeprazole. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 410,631 Omeprazole users. Check the latest studies of Omeprazole.

What is Arzerra?

Arzerra has active ingredients of ofatumumab. eHealthMe is studying from 1,042 Arzerra users. Check the latest studies of Arzerra.

On Jul, 14, 2026

15 people who take Omeprazole and Arzerra together, and have interactions are studied.

Omeprazole and Arzerra drug interactions.

What are the common drug interactions of Omeprazole and Arzerra, by gender? *:

female:

Gastroenteritis (inflammation of stomach and intestine)
Hepatic enzyme increased
Dermatitis bullous (inflammation of the skin characterized by the presence of bullae which are filled with fluid)
Dyspnoea (difficult or laboured respiration)
Erythema of eyelid (redness of the eyelid)
Eyelid oedema (eyelids are swollen and contain excessive fluid)
Lip oedema (swelling of lip)
Nausea (feeling of having an urge to vomit)
Oxygen saturation decreased
Pharyngeal oedema (abnormal accumulation of fluid in the cavities and intercellular spaces of the pharyngeal)

male:

Diarrhoea
Bradycardia (abnormally slow heart action)
General physical health deterioration (weak health status)
Heart rate decreased
Hypoxia (low oxygen in tissues)
Immunodeficiency
Interstitial lung disease
Lung infiltration (a substance that normally includes fluid, inflammatory exudates or cells that fill a region of lung)
Lymphadenopathy (disease or enlargement of lymph nodes)
Malaise (a feeling of general discomfort or uneasiness)

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

0-1:

n/a

2-9:

Bradycardia (abnormally slow heart action)
Electrocardiogram qt prolonged
Heart rate decreased
Arrhythmia (irregular heartbeat)
Atrioventricular block second degree (heart block second degree)
Blood calcium decreased
Hypokalaemia (low potassium)
Hypothermia (body temperature drops below the required temperature for normal metabolism and body functions)

10-19:

n/a

20-29:

n/a

30-39:

n/a

40-49:

Hepatic haemorrhage (bleeding inside liver)
Abdominal pain upper
Gastroenteritis (inflammation of stomach and intestine)
Hepatic enzyme increased

50-59:

Asthenia (weakness)
Bronchopulmonary aspergillosis (lung disorder caused by aspergillus fungi)
Cough
Diarrhoea
Disease progression
Dizziness
Dyspnoea exertional (breathlessness or shortness of breath)
General physical health deterioration (weak health status)
Hypoxia (low oxygen in tissues)
Immunodeficiency

60+:

Diarrhoea
Face injury
Oxygen saturation decreased
Pharyngeal oedema (abnormal accumulation of fluid in the cavities and intercellular spaces of the pharyngeal)
Pneumonia
Pneumonitis (inflammation of the walls of the alveoli in the lungs)
Pyrexia (fever)
Sensory disturbance (sense disturbance)
Vertigo
Vomiting

What are the existing conditions these people have? *

Chronic Lymphocytic Leukaemia (cancer in which the bone marrow makes too many lymphocytes (a type of white blood cell)): 7 people, 46.67%
High Blood Pressure: 2 people, 13.33%
High Blood Cholesterol: 2 people, 13.33%
Burkitt Lymphoma (cancer of the lymphatic system): 1 person, 6.67%
Chronic Lymphocytic Leukaemia Recurrent (repeated cancer of blood cells known as lymphocytes): 1 person, 6.67%
Diabetes: 1 person, 6.67%
Diarrhea: 1 person, 6.67%
Dyslipidaemia (abnormal amount of lipids): 1 person, 6.67%
Hepatitis B: 1 person, 6.67%
Viral Infection: 1 person, 6.67%

* Approximation only. Some reports may have incomplete information.

Do you take Omeprazole and Arzerra?

- 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