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What is the most common side effect of rituximab?

Published in Rituximab Side Effects 2 mins read

The most common side effect of rituximab is infusion-related reactions.

Understanding Infusion-Related Reactions

Infusion-related reactions are the most frequently observed side effects during rituximab treatment. These reactions often occur within 24 hours of the infusion, particularly during the first infusion. They can range from mild to severe and are typically managed by slowing down or temporarily stopping the infusion.

Common symptoms of infusion-related reactions include:

  • Fever and chills
  • Nausea
  • Hives or rash
  • Fatigue
  • Headache
  • Shortness of breath
  • Swelling of the face or throat

Healthcare providers usually administer pre-medications, such as antihistamines and corticosteroids, to help prevent or reduce the severity of these reactions. Patients are also closely monitored during and after the infusion.

Other Frequently Observed Side Effects

Beyond infusion-related reactions, other side effects are also commonly experienced by individuals receiving rituximab. These include:

  • Infections: Patients may experience infections, which can manifest with symptoms like fever and chills. Rituximab can suppress the immune system, making individuals more susceptible to various types of infections.
  • Body Aches: Generalized body aches are another common complaint among patients undergoing rituximab therapy.

Here’s a summary of common side effects associated with rituximab:

Side Effect Category Common Manifestations
Infusion-Related Reactions Fever, chills, nausea, rash, headache, fatigue, shortness of breath, facial swelling
Infections Fever, chills, signs of bacterial or viral infections
Body Aches Generalized muscle and joint pain

Managing Rituximab Side Effects

Effective management of rituximab side effects involves a proactive approach:

  • Pre-medication: Prior to each infusion, patients typically receive medications like antihistamines (e.g., diphenhydramine) and corticosteroids (e.g., methylprednisolone) to minimize infusion-related reactions.
  • Close Monitoring: Healthcare professionals closely monitor vital signs and symptoms throughout the infusion and for a period afterward.
  • Symptom Reporting: Patients are advised to promptly report any new or worsening symptoms to their healthcare team.
  • Dose Adjustments: In some cases, the infusion rate may be adjusted or temporarily paused to manage reactions.

For more comprehensive information on rituximab and its potential side effects, you can consult reliable medical resources such as Drugs.com.