Common side effects of Rituximab include Infection (60), Pneumocystis jirovecii pneumonia (9), Bronchitis (8). Serious side effects include Neutropenia (20) and Gastrointestinal perforation (6). Rituximab is classified as Medicine. Always consult a doctor if side effects persist.

Side Effects GuideAI-VerifiedMedicine

Rituximab Side Effects

Complete guide to Rituximab side effects — what's common, what's serious, which body systems are affected, and when to see a doctor.

Body impact map

Common
Serious
9+
Common effects
9+
Serious effects
3
Body systems

Common Side Effects

Usually mild · often resolve on their own

These side effects may occur in some patients taking Rituximab. Most are mild and improve as your body adjusts. Tell your doctor if any persist or worsen.

Infection (60)
Whole body
Pneumocystis jirovecii pneumonia (9)
Whole body
Bronchitis (8)
Whole body
Hepatitis (6)
Whole body
Dyspnoea (6)
Whole body
Diarrhoea (6)
Stomach / GI
Urinary tract infection (5)
Kidney
Hypertension (5)
Whole body
CLL (96)
Whole body
Gas (36)
Stomach / GI

Serious Side Effects

Rare but urgent · seek immediate medical help

Stop taking Rituximab and seek immediate medical help if any of the following occur. Call 112 for emergencies.

Emergency · 112
Neutropenia (20)
Whole body
Gastrointestinal perforation (6)
Stomach / GI
Staphylococcal sepsis (4)
Whole body
Stevens Johnson syndrome (3)
Whole body
Follicular lymphoma (2)
Whole body
Chronic lymphocytic leukaemia (2)
Whole body
Lymphoma (2)
Whole body
Sepsis (2)
Whole body
Anaphylaxis (2)
Whole body
Myocardial infarct (2)
Whole body

Not a complete list. Report any unusual symptoms to your doctor immediately.

How to Minimize Side Effects

Simple steps that help

  • Take Rituximab exactly as prescribed by your doctor — never change the dose yourself.
  • Follow dosage timing instructions carefully (with food / empty stomach / at bedtime as directed).
  • Do not stop Rituximab suddenly without consulting your doctor — sudden discontinuation can be risky.
  • Report any new or unusual symptoms to your doctor promptly — early detection prevents complications.
  • Check drug interactions with GoDavaii AI before starting any new medicine, supplement, or even herbal remedy.
  • Avoid alcohol while on Rituximab unless your doctor has confirmed it is safe.
AI-Verified · Cross-checked against 40,000+ interaction database

Not medical advice

Individual responses to Rituximab vary — age, weight, existing conditions, and other medicines all matter. Always consult your doctor for personalized advice. For emergencies, call 112.

Frequently Asked Questions

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