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Fitusiran Side Effects

Applies to fitusiran: subcutaneous solution.

General adverse events

The most common adverse reactions in patients treated with the antithrombin-based dose regimen were viral infection, nasopharyngitis, and bacterial infection.

Refer to the manufacturer product information for detailed descriptions of adverse reactions and/or for definitions of included terms.[Ref]

Cardiovascular

Dermatologic

Gastrointestinal

Hematologic

Hepatic

Immunologic

Local

Adverse effects at the injection site included bruising, erythema, pain, hematoma, atrophy, hemorrhage, discomfort, swelling, discoloration, pruritus, induration, nodule, mass, vesicles, deformation, rash, and joint pain.

Musculoskeletal

Nervous system

Other

Respiratory

References

1. (2025) "Product Information. Qfitlia (fitusiran)." Genzyme Corporation

Further information

Fitusiran 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.