Eyes Home > Side Effects of Ranibizumab

The most commonly reported side effects of ranibizumab include redness or blood spots on the white part of the eye, specks in your vision, and eye pain. Although these side effects are generally minor and don't require treatment, it is possible to develop serious ranibizumab side effects. Notify your healthcare provider right away if you experience eye infections, decreased vision, or blood clots during treatment.

An Introduction to Side Effects of Ranibizumab

As with any medicine, side effects are possible with ranibizumab (Lucentis®); however, not everyone who takes the drug will experience side effects. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or can easily be treated by you or your healthcare provider.
(This article covers many, but not all, of the possible side effects with ranibizumab. Your healthcare provider can discuss a more complete list of ranibizumab side effects with you.)

Serious Ranibizumab Side Effects

Some side effects with ranibizumab, while occurring infrequently, are potentially serious and should be reported immediately to your healthcare provider. These include but are not limited to:
  • Increased pressure in the eye (which can cause damage)
  • Eye infections
  • Retinal detachment
  • Sudden decrease in vision
  • Blood clots or strokes
  • Signs of an allergic reaction, including unexplained rash, hives, itching, and unexplained swelling.


Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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