Eculizumab

Other Names: Soliris®

About This Drug

Eculizumab is used to treat blood disorders. It is given through your vein.

Possible Side Effects (More Common)

  • Headache
  • Back pain
  • Nausea and throwing up (vomiting). These symptoms may happen within a few hours after your treatment and may last up to 24 hours. Medicines are available to stop or lessen these side effects.
  • High blood pressure. Your doctor will check your blood pressure as needed.
  • Tiredness

Possible Side Effects (Less Common)

  • This drug may affect how your kidneys work. Your kidney function will be checked as needed.
  • Increased risk of infection (including meningitis).

Infusion Reactions

  • While you are getting this drug in your vein (IV), you may have a reaction to the drug. Your nurse will check you closely for these signs: fever or shaking chills, flushing, facial swelling, feeling dizzy, headache, trouble breathing, rash, itching, chest tightness, or chest pain. These reactions may happen for 24 hours after your infusion. If this happens, call 911 for emergency care.

Treating Side Effects

  • Drink 6-8 cups of fluids each day unless your doctor has told you to limit your fluid intake due to some other health problem. A cup is 8 ounces of fluid. If you throw up or have loose bowel movements you should drink more fluids so that you do not become dehydrated (lack water in the body due to losing too much fluid).

Food and Drug Interactions

There are no known interactions of eculizumab with food. This drug may interact with other medications. Tell your doctor and pharmacist about all the medication and dietary supplements (vitamins, minerals, herbs, and others) that you are currently taking. The safety and effectiveness of dietary supplements and alternative diets are often unknown. Using these might unexpectedly affect your disease or interfere with your treatment. Until more is known, you should not use dietary supplements or alternative diets without your doctor's help.

When to Call the Doctor

Call your doctor or nurse immediately if you have any of the following symptoms:

  • Headache and nausea and vomiting
  • Headache and fever
  • Headache and stiff neck or stiff back
  • Fever and rash
  • Confusion
  • Muscle aches and flu like symptoms
  • Eyes sensitive to light
  • Fever of 100.5 F (38 C) or higher
  • Chills
  • Wheezing or trouble breathing
  • Rash or itching
  • Feeling dizzy or lightheaded
  • Loose bowel movements (diarrhea) more than 4 times a day or diarrhea with weakness or lightheadedness
  • Blurred vision or other changes in eyesight
  • Pain when passing urine; blood in urine

Call your doctor or nurse as soon as possible if any of the following symptoms occur:

  • Decreased urine
  • Nausea that is not relieved by prescribed medicines
  • Rash that is not relieved by prescribed medicines
  • Swelling of legs, ankles, or feet
  • Weight gain of 5 pounds in one week (fluid retention)
  • Fatigue that interferes with your daily activities
  • Headache that does not go away
  • Extreme weakness that interferes with normal activities

Reproduction Concerns

  • Pregnancy warning: It is not known if this drug may harm an unborn child. For this reason, be sure to talk with your doctor if you are pregnant or planning to become pregnant while getting this drug.
  • Breast feeding warning: It is not known if this drug passes into breast milk. For this reason, women should talk to their doctor about the risks and benefits of breast feeding during treatment with this drug because this drug may enter the breast milk and badly harm a breast feeding baby.

Last updated March 2016