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Qfitlia Side Effects

Generic name: fitusiran

Note: This document provides detailed information about Qfitlia Side Effects associated with fitusiran. Some dosage forms listed on this page may not apply specifically to the brand name Qfitlia.

Applies to fitusiran: subcutaneous solution.

Important warnings This medicine can cause some serious health issues

Using this medicine can increase your risk of blood clots especially if you have certain medical conditions or you also use other medicines to help treat blood clots.

Fitusiran can increase your risk of gallbladder disease.

Call your doctor right away if you have unexplained stomach pain, nausea, vomiting, or heartburn.

Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Seek medical help right away if you show signs of a blood clot such as sudden numbness or weakness (especially on one side of the body), severe headache, confusion, vision changes, slurred speech, chest pain, shortness of breath, fast heart rate, dizziness, coughing up blood, or pain, swelling, or warmth in arms or legs.

Call your doctor at once if you have:

Common side effects may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.

For healthcare professionals

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

See also:

References

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

Further information

Qfitlia 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.