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Kesimpta (Ofatumumab)

Prescription requiredOnly Available By Prescription
What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.


Kesimpta is a medication designed for the treatment of Multiple Sclerosis (MS). Approved by the FDA, it offers a novel approach to managing relapsing forms of MS. Unlike traditional injectable treatments, Kesimpta is administered subcutaneously, making it more convenient for patients without compromising efficacy.

Before you buy Kesimpta, it is crucial that you talk to your healthcare provider about potential side effects and Kesimpta cost.

Fact Table
Formula C6480H10022N1742O2020S44
License FDA approved
Bioavailability N/A
Legal status Prescription Drugs
Chemical Name Ofatumumab
Elimination half-life 14 days
Dosage (Strength) 20 mg
Pregnancy Category C (consult with physician)
Brands Kesimpta
Protein binding Not applicable
PubChem CID 16744296
MedlinePlus a621050
ChEBI Not Assigned
ATC code L01XC08
DrugBank DB06673
KEGG D09995
Routes of administration Subcutaneous injection

Buy Kesimpta (Ofatumumab)  online from online Canadian Pharmacy |


Administered as a once-monthly injection, Kesimpta is simple to use and can be self-administered after proper training by a healthcare professional. The medication comes in pre-filled syringes, allowing for easy storage and hassle-free usage. Patients are advised to follow the recommended dosage and administration instructions provided by their healthcare provider.


The active ingredient in Kesimpta is ofatumumab.


Before starting Kesimpta, it is essential to discuss any existing medical conditions and medications with your healthcare provider. Individuals with a history of certain infections or immunodeficiency disorders may require special consideration. Additionally, caution should be exercised in patients with a history of cardiac issues, as Kesimpta may cause cardiac side effects in some individuals.


Kesimpta injection may interact with certain medications, including other immunosuppressants or medications that affect the immune system. It is crucial to inform your healthcare provider about all medications, supplements, and herbal products you are currently taking to avoid potential interactions.

Side Effects

Like all medications, Kesimpta may cause side effects in some individuals. Common side effects include injection site reactions, upper respiratory tract infections, headache, and fatigue. Serious side effects such as infections, allergic reactions, and cardiac issues are rare but possible. It is essential to report any unusual symptoms or side effects to your healthcare provider promptly.

Frequently Asked Questions about Kesimpta

What is Kesimpta used for?

Kesimpta is used for the treatment of relapsing forms of Multiple Sclerosis (MS) in adults.

How does Kesimpta work?

Kesimpta works by targeting CD20-positive B cells, reducing their numbers in the body and thereby decreasing inflammation and the risk of MS relapses.

How is Kesimpta administered?

Kesimpta is administered as a once-monthly injection under the skin (subcutaneously).

Can Kesimpta cure MS?

While Kesimpta can effectively manage MS symptoms and reduce the risk of relapses, it is not a cure for MS.

Is Kesimpta suitable for all MS patients?

Kesimpta may not be suitable for all MS patients. It is essential to discuss your medical history and any existing conditions with your healthcare provider before starting Kesimpta.

Are there any dietary restrictions while taking Kesimpta?

There are no specific dietary restrictions associated with Kesimpta. However, it is essential to maintain a healthy diet and lifestyle to support overall well-being.

Can I take other medications while using Kesimpta?

Some medications may interact with Kesimpta. It is crucial to inform your healthcare provider about all medications, supplements, and herbal products you are taking before starting Kesimpta.

How long does it take for Kesimpta to start working?

The onset of action of Kesimpta may vary from person to person. Some individuals may experience improvements in MS symptoms shortly after starting treatment, while others may take longer.

Can I travel while using Kesimpta?

While traveling with Kesimpta is generally safe, it is essential to plan ahead and ensure you have an adequate supply of medication. Consult your healthcare provider before traveling to discuss any necessary precautions.

What should I do if I miss a dose of Kesimpta?

If you miss a dose of Kesimpta, administer it as soon as possible. However, if it is nearing the time for your next scheduled dose, skip the missed dose and resume your regular dosing schedule. Do not double the dose to catch up.

IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.