Tavalisse Side Effects

Generic name: fostamatinib

Medically reviewed by Philip Thornton, DipPharm. Last updated on Feb 9, 2025.

Note: This document provides detailed information about Tavalisse.

Applies to fostamatinib: oral tablets Side Effects associated with fostamatinib. Some dosage forms listed on this page may not apply specifically to the brand name Tavalisse.

Applies to fostamatinib: oral tablets.

Side effects include:

Adverse effects (≥5%) include diarrhea, hypertension, nausea, respiratory infection, dizziness, increases in ALT/AST, rash, abdominal pain, fatigue, chest pain, neutropenia.

For healthcare professionals

Applies to fostamatinib: oral tablet.

Hematologic adverse events

• Common (1% to 10%): Neutropenia^[Ref]

Hepatic

• Very common (10% or more): ALT increased (11%)
• Common (1% to 10%): AST increased^[Ref]

Respiratory

• Very common (10% or more): Respiratory infection (11%)^[Ref]

Other

• Common (1% to 10%): Fatigue^[Ref]

Nervous system

• Very common (10% or more): Dizziness (11%)^[Ref]

Cardiovascular

• Very common (10% or more): Hypertension (28%)^[Ref]

Dermatologic

• Common (1% to 10%): Rash (e.g., rash erythematous, rash macular)^[Ref]

Gastrointestinal

• Very common (10% or more): Diarrhea (31%), nausea (19%)
• Common (1% to 10%): Abdominal pain^[Ref]

See also:

Further information

Tavalisse side effects can vary depending on the individual. Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Note: Medication side effects may be underreported. If you are experiencing side effects that are not listed, submit a report to the FDA by following this guide.

Medical Disclaimer