Ilumya (tildrakizumab-asmn) is a brand-name prescription medication. The Food and Drug Administration (FDA) has approved it to treat moderate to severe plaque psoriasis in adults. These are adults who are candidates for systemic treatment or phototherapy. (Systemic treatment is a type of therapy that works throughout the body.)
The drug comes as a solution in a prefilled, single-dose syringe. It’s injected subcutaneously by a healthcare professional.
Ilumya is a monoclonal antibody (a type of protein that’s made in a lab). Monoclonal antibodies are designed to interact with certain parts of your immune system. They’re considered to be biologic drugs.
There’s currently no
Dosage summary
The following chart summarizes Ilumya’s dosages. Your doctor will determine the dosage that’s best for you.
| How Ilumya is given | Ilumya strength | First dose | Second dose | Maintenance (long-term) dose |
| subcutaneous injection | 100 milligrams per milliliter (mg/mL) | 100 mg | 100 mg given 4 weeks after the first dose | 100 mg given 12 weeks after the second dose and then once every 12 weeks |
For information about Ilumya’s dosing for psoriasis, including the drug’s strength and how it’s given, keep reading. For a comprehensive look at Ilumya, see this article.
This article describes typical dosages for Ilumya provided by the drug’s manufacturer. However, your doctor will prescribe the Ilumya dosage that’s right for you.
Below is information about Ilumya’s dosage.
Ilumya form
Ilumya comes as a solution in a prefilled, single-dose syringe. It’s injected subcutaneously by a healthcare professional.
Ilumya strength
Ilumya comes in one strength: 100 milligrams per milliliter (mg/mL).
Typical dosing
The following information describes the dosing schedule that’s commonly given or recommended.Your doctor will determine the best dosage to fit your needs.
Each dose of Ilumya is typically 100 mg. Below describes the typical Ilumya dosing schedule:
| First dose | Second dose | Maintenance (long-term) dose |
| 100 mg | 100 mg given 4 weeks after the first dose | 100 mg given 12 weeks after the second dose and then once every 12 weeks |
Long-term treatment
Ilumya is meant to be a long-term treatment. If you and your doctor determine that Ilumya is safe and effective for you, you’ll likely receive it long term.
Here are some commonly asked questions about Ilumya and its dosage.
Is Ilumya prescribed with a loading dose?
Yes, Ilumya is prescribed with a loading dose. A loading dose is a higher amount of drug that’s given at the start of treatment.
The dose of Ilumya doesn’t change over time. Each dose is typically 100 milligrams (mg). However, when you first begin treatment, you’ll receive two doses within 4 weeks. The first dose will be on day 1 and then the second dose will be 4 weeks later. After that, you’ll receive an Ilumya dose every 12 weeks.
If you have questions about the dose that you’ll be prescribed, talk with your doctor.
Does Ilumya’s dosing depend on weight?
No, Ilumya’s dosing doesn’t depend on body weight. Your doctor won’t use your body weight to calculate your Ilumya dosage. You’ll likely receive a 100-mg dose at each appointment.
Talk with your doctor if you have questions about your dosing of Ilumya.
Can I get my maintenance (long-term) Ilumya injections more often than once every 12 weeks?
No, it’s not recommended to get your maintenance Ilumya injections more often than once every 12 weeks. After your first and second doses, you’ll be given one Ilumya dose every 12 weeks.
For more details on how often you’ll get your Ilumya maintenance dose, talk with your doctor.
Ilumya comes as a solution in a prefilled, single-dose syringe. It’s injected subcutaneously by your doctor or another healthcare professional.
You’ll go to a doctor’s office or clinic to get your injection. Your doctor will inject Ilumya under the skin in your thigh, abdominal area, or upper arm.
If you have questions about how Ilumya will be injected, talk with your doctor.
If you miss an appointment for your injection, be sure to reschedule as soon as possible. After getting the missed dose, you’ll continue your regular schedule from that date.
To help make sure that you don’t miss a dose, try using a medication reminder. This can include tracking your appointments on a calendar. You could also download a reminder app on your phone.
The dosages in this article are typical dosages provided by the drug manufacturer. If your doctor recommends Ilumya for you, they will prescribe the dosage that’s right for you.
If you have questions about the dosage of Ilumya that’s best for you, talk with your doctor.
Besides learning about dosage, you may want other information about Ilumya. These additional articles might be helpful to you:
- More about Ilumya. For information about other aspects of Ilumya, refer to this article.
- Side effects. To learn about side effects of Ilumya, see this article. You can also look at the Ilumya prescribing information.
- Drug comparison. Find out how Ilumya compares with Tremfya and with other similar drugs.
- Details about plaque psoriasis. For information about your condition, our psoriasis hub might be helpful, as well as this list of related articles.
Disclaimer: Medical News Today has made every effort to make certain that all information is factually correct, comprehensive, and up to date. However, this article should not be used as a substitute for the knowledge and expertise of a licensed healthcare professional. You should always consult your doctor or another healthcare professional before taking any medication. The drug information contained herein is subject to change and is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. The absence of warnings or other information for a given drug does not indicate that the drug or drug combination is safe, effective, or appropriate for all patients or all specific uses.
