Fibrinogen Concentrate
Riastap is a brand-name fibrinogen concentrate used to treat and prevent bleeding in patients with congenital fibrinogen deficiency, including afibrinogenemia and hypofibrinogenemia. It is administered via intravenous injection in healthcare settings. This medication is typically prescribed by hematologists and used in hospitals or specialized treatment centers.
Riastap is a fibrinogen replacement therapy used to manage bleeding in patients born with fibrinogen deficiency.
Key facts at a glance
- RxNorm
- 831494
- Generic
- Riastap
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Treatment and prevention of hemorrhagic episodes in patients with congenital fibrinogen deficiency, including congenital afibrinogenemia and hypofibrinogenemia. May also be used during surgical procedures in these patients to minimize bleeding risk.
Riastap contains human fibrinogen, an essential clotting factor that is deficient in affected patients. When administered, it restores fibrinogen levels in the blood, enabling the normal coagulation cascade and helping to form stable blood clots to stop bleeding.
Should only be administered by healthcare professionals in appropriate clinical settings. Patients should be monitored for signs of allergic reactions or thrombosis. Treatment requires regular monitoring of fibrinogen levels to ensure adequate dosing. Not interchangeable with fresh frozen plasma without physician guidance.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed July 26, 2026. · Read our editorial policy