Ustekinumab 90mg Injection (Generic Stelara 90)

Ustekinumab 90mg Injection is a prescription biologic medicine containing ustekinumab, a human monoclonal antibody that selectively targets interleukin-12 (IL-12) and interleukin-23 (IL-23). It is used for the treatment of certain immune-mediated inflammatory conditions, including plaque psoriasis, psoriatic arthritis, Crohn’s disease, and ulcerative colitis, depending on the approved indication.

Ustekirel 90mg is a brand of ustekinumab manufactured by Reliance Life Sciences. It is positioned as a generic/biosimilar alternative to Stelara® where approved and available.

Product Information

• Generic Name: Ustekinumab 90mg
• Brand Name: Ustekirel 90mg
• Reference Brand: Stelara®
• Manufacturer: Reliance Life Sciences
• Drug Class: Biologic / IL-12 and IL-23 Inhibitor
• Indications: Psoriasis, Psoriatic Arthritis, Crohn’s Disease, Ulcerative Colitis
• Form: Injection
• Strength: 90mg
• Route: Subcutaneous Injection
• Prescription: Yes
• Active Ingredient: Ustekinumab
• Packing: Manufacturer Dependent

How It Works

Ustekinumab is a monoclonal antibody that binds to the p40 protein subunit shared by IL-12 and IL-23. Blocking these cytokine pathways helps reduce inflammatory immune responses involved in several chronic inflammatory diseases.

Uses

Ustekinumab 90mg may be prescribed for eligible patients with:

• Moderate-to-severe plaque psoriasis
• Active psoriatic arthritis
• Moderately to severely active Crohn’s disease
• Moderately to severely active ulcerative colitis

The approved indications and dosing schedules may vary according to country, patient age, and medical condition.

Generic Stelara® / Ustekirel 90mg

Stelara® is the reference brand of ustekinumab. Ustekirel 90mg, manufactured by Reliance Life Sciences, contains ustekinumab and may be marketed as a biosimilar or alternative to the reference product depending on the applicable regulatory approval.

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Ustekinumab 90mg Injection

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Availability & Ordering

Patients searching for Ustekinumab 90mg Injection, Ustekirel 90mg, Generic Stelara®, Ustekinumab 90mg Price, Ustekinumab for Psoriasis, Ustekinumab for Psoriatic Arthritis, Ustekinumab for Crohn’s Disease, Ustekinumab for Ulcerative Colitis, and Ustekinumab Biologic Injection can find prescription products through licensed pharmaceutical suppliers, subject to local prescription and regulatory requirements.

Frequently Asked Questions

What is Ustekinumab 90mg Injection used for?

Ustekinumab is used to treat certain immune-mediated inflammatory diseases, including plaque psoriasis, psoriatic arthritis, Crohn’s disease, and ulcerative colitis.

Is Ustekinumab 90mg the generic of Stelara®?

Stelara® is the reference product containing ustekinumab. Ustekinumab products such as Ustekirel may serve as biosimilar or alternative products where approved by the relevant regulatory authority.

What is Ustekirel 90mg?

Ustekirel 90mg is a brand of ustekinumab 90mg manufactured by Reliance Life Sciences.

How does Ustekinumab work?

Ustekinumab blocks IL-12 and IL-23 signaling by binding to their shared p40 subunit, helping reduce inflammation.

How is Ustekinumab 90mg administered?

Ustekinumab 90mg is administered by subcutaneous injection according to an indication-specific treatment schedule prescribed by a healthcare professional.

Does Ustekinumab require medical monitoring?

Yes. As a biologic medicine that affects immune-system activity, Ustekinumab should be prescribed and monitored by a qualified healthcare professional.

Last Updated: August 20, 2026 | Medically Reviewed By: Licensed Pharmacist

Medical Disclaimer: This information is provided for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Ustekinumab should be used only under the supervision of a qualified healthcare professional.