What is Ultomiris: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Jan 25, 2023

Ultomiris overview

BRAND NAMES:

  • Ultomiris

Generic Names:

  • Ultomiris

Uses:

  • Treats paroxysmal nocturnal hemoglobinuria (PNH). Also used to treat atypical hemolytic uremic syndrome (aHUS).

Therapeutic Classes:

  • Blood Modifier Agent

Forms:

  • Injectable

How it’s taken:

  • By injection

What is Ultomiris used for?

What form(s) does Ultomiris come in

  • Injectable

What are common Ultomiris doses?

  • Vial 3ml of 300mg/3ml

  • Vial 11ml of 1100mg/11ml

Common Ultomiris prescriptions

  • Ultomiris
    11ml of 1100mg/11ml vial

  • Ultomiris
    3ml of 300mg/3ml vial

How to take Ultomiris

  • If you are changing treatment from Soliris® to Ultomiris„¢, you should start receiving Ultomiris„¢ 2 weeks after your last dose of Soliris®.

  • This medicine should come with a Medication Guide. Ask your pharmacist for a copy if you do not have one.

  • Injection routeYour doctor will prescribe your dose and schedule. This medicine is given through a needle placed in a vein. The medicine must be injected slowly, so your IV will need to stay in place for at least 2 hours.

  • Your doctor will monitor you for at least 1 hour for any unwanted effects after the infusion.

  • Injection routeA nurse or other health provider will give you this medicine.

  • Missed dose: Injection routeCall your doctor or pharmacist for instructions.

What to do if you miss a dose of Ultomiris

Ultomiris contraindications

  • This medicine is not right for everyone. You should not receive it if you had an allergic reaction to ravulizumab-cwvz, or if you have a meningococcal infection. You should not receive this medicine if you have not been vaccinated against meningitis infection unless your doctor decides that urgent treatment with ravulizumab-cwvz is needed.

Ultomiris warnings

  • Tell your doctor if you are pregnant, or if you have a fever, or any kind of infection.

  • Do not breastfeed during treatment with this medicine and for 8 months after the last dose.

  • This medicine can increase your risk for serious infections, including meningococcal infection. You will need to be vaccinated against meningococcal infection at least 2 weeks before you start treatment with this medicine. You may also be given antibiotic medicines for 2 weeks to prevent infections if you are to use this medicine right away. You will also be given a patient safety card that lists the symptoms of infection and what to do if you have them. Carry the card with you at all times during treatment and for 8 months after your last dose. Show the card to any doctor who treats you.

  • You could develop hemolysis (breakdown of red blood cells) when you stop receiving this medicine. Your doctor will monitor you for at least 16 weeks after the last dose.

  • You could also develop a condition called thrombotic microangiopathy (TMA) when you stop receiving this medicine for aHUS.

  • This medicine can also cause an infusion reaction that can be life-threatening.

  • Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.

Ultomiris interactions

Ultomiris side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

  • Blurred vision, slow or fast heartbeat

  • Chest pain, trouble breathing, dizziness, lightheadedness, or fainting, lower back pain

  • Confusion, sensitivity of the eye to light, severe headache, nausea, vomiting, stiff neck or back, muscle pains

  • Fever, chills, cough, stuffy or runny nose, sore throat, body aches

  • Rapid weight gain, swelling in your hands, ankles, or feet

  • Unusual bleeding or bruising

Less Serious Side Effects

  • Diarrhea, constipation, stomach pain

  • Hair loss

  • Mild headache

  • Pain in the arms or legs

  • Pain, itching, burning, swelling, or a lump under your skin where the needle is placed