Prilosec and Kesimpta drug interactions - a phase IV clinical study of FDA data

Summary:

Drug interactions are reported among people who take Prilosec (omeprazole) and Kesimpta (ofatumumab). Common drug interactions include extraocular muscle disorder among females and influenza like illness among males.

The phase IV clinical study analyzes what interactions people have when they take Prilosec and Kesimpta. It is created by eHealthMe based on reports of 65 people who take the same drugs from the FDA, and is updated regularly.

What is Prilosec?

Prilosec has active ingredients of omeprazole. It is often used in gastroesophageal reflux disease. eHealthMe is studying from 175,285 Prilosec users. Check the latest studies of Prilosec.

What is Kesimpta?

Kesimpta has active ingredients of ofatumumab. eHealthMe is studying from 36,592 Kesimpta users. Check the latest studies of Kesimpta.

On Jul, 25, 2026

65 people who take Prilosec and Kesimpta together, and have interactions are studied.

Prilosec and Kesimpta drug interactions.

What are the common drug interactions of Prilosec and Kesimpta, by gender? *:

female:

Extraocular muscle disorder (eye movement disorder)
Gastric bypass
Glaucoma (increased fluid pressure in the eye with vision loss)
Grip strength decreased
Haemorrhoidal haemorrhage (bleeding from the haemorrhoids)
Fatigue (feeling of tiredness)
Pyrexia (fever)
Headache (pain in head)
Pain in extremity
Abdominal discomfort

male:

Influenza like illness
Pyrexia (fever)
Blood pressure increased
Chills (felling of cold)
Diverticulitis (digestive disease which involves the formation of pouches (diverticula) within the bowel wall)
Asthenia (weakness)
Swelling face
Cellulitis (infection under the skin)
Drug ineffective
Movement disorder (neurological syndromes where they may be excess of movement or a paucity of movement that is not connected to weakness)

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

0-1:

n/a

2-9:

n/a

10-19:

n/a

20-29:

n/a

30-39:

Fatigue (feeling of tiredness)
Formication (a sensation that exactly resembles that of small insects crawling on (or under) the skin)
Neuralgia (pain in one or more nerves)
Paraesthesia (sensation of tingling, tickling, prickling, pricking, or burning of a person's skin with no apparent long-term physical effect)
Vision blurred
Abdominal discomfort
Headache (pain in head)
Herpes zoster
Hyperchlorhydria (gastric acid levels are higher in stomach)
Influenza like illness

40-49:

Depression
Drug ineffective
Pyrexia (fever)
Anaemia (lack of blood)
Asthma
Breast swelling
Breast tenderness
Chest pain
Costochondritis (chest wall pain)
Dyspepsia (indigestion)

50-59:

Fatigue (feeling of tiredness)
Pyrexia (fever)
Abdominal distension
Fall
Influenza like illness
Nausea (feeling of having an urge to vomit)
Wrist fracture
Abdominal pain lower
Balance disorder
Diverticulitis (digestive disease which involves the formation of pouches (diverticula) within the bowel wall)

60+:

Pyrexia (fever)
Arthralgia (joint pain)
Paraesthesia oral (sensation of tingling, tickling, prickling, pricking, or burning of a person's oral with no apparent long-term physical effect)
Rhinorrhoea (watery mucus discharge from the nose)
Confusional state
Dehydration (dryness resulting from the removal of water)
Ejection fraction decreased (systolic heart failure)
Metabolic acidosis (body produces too much acid, or when the kidneys are not removing enough acid from the body)
Stress cardiomyopathy (stress-induced chronic disease of the heart muscle)
Supraventricular tachycardia (rapid heart rhythm originating at or above the atrioventricular node)

What are the existing conditions these people have? *

Multiple Sclerosis (a nervous system disease that affects your brain and spinal cord. it damages the myelin sheath): 59 people, 90.77%
Stress And Anxiety: 5 people, 7.69%

* Approximation only. Some reports may have incomplete information.

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