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Ranibizumab Injection

What is this medication?

RANIBIZUMAB (RA ni BIZ oo mab) treats eye conditions, such as macular degeneration, macular edema, and retinopathy. It works by slowing the growth of abnormal new blood vessels in the eye. It also reduces the amount of fluid that leaks from these blood vessels. This helps maintain vision. It is a monoclonal antibody.

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This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

COMMON BRAND NAME(S): Byooviz, CIMERLI, Lucentis, Susvimo

What should I tell my care team before I take this medication?

They need to know if you have any of these conditions:

  • Eye infection
  • Glaucoma
  • Prior eye procedure or surgery
  • An unusual or allergic reaction to ranibizumab, other medications, foods, dyes, or preservatives
  • Pregnant or trying to get pregnant
  • Breastfeeding

How should I use this medication?

This medication is injected into the eye. It is given by a care team that specializes in this treatment.

Talk to your care team about the use of this medication in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

This does not apply.

What may interact with this medication?

  • Verteporfin

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medication?

Visit your care team for regular checks on your progress. Tell your care team if your symptoms do not start to get better or if they get worse.

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This medication can be given via an implanted device. Tell your care team if you have an implant and need an MRI. They will need to follow certain conditions to ensure you are safely scanned.

What side effects may I notice from receiving this medication?

Side effects that you should report to your care team as soon as possible:

  • Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
  • Blurry vision, vision loss, seeing wavy or bent objects or blind spots with dark, light, or flashing spots
  • Heart attack—pain or tightness in the chest, shoulders, arms, or jaw, nausea, shortness of breath, cold or clammy skin, feeling faint or lightheaded
  • New or worsening eye pain, redness, irritation, or discharge
  • Stroke—sudden numbness or weakness of the face, arm, or leg, trouble speaking, confusion, trouble walking, loss of balance or coordination, dizziness, severe headache, change in vision

Side effects that usually do not require medical attention (report to your care team if they continue or are bothersome):

  • Blurry vision
  • Dry eyes
  • Eye irritation or itching
  • Eye pain
  • Increased tears after use

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medication?

This medication is given in a hospital or clinic. It will not be stored at home.

NOTE: This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.

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Note: Introduction and Additional Common Questions written and medically approved by Cleveland Clinic professionals.

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