Coagulation Factor Ix Side Effects
Medically reviewed by Drugs.com. Last updated on Apr 15, 2025.
Applies to coagulation factor ix: intravenous powder for solution.
Precautions
It is very important that your doctor check you or your child's closely and at regular visits to make sure this medicine is working properly. Blood and urine tests will be needed to check for unwanted effects.
This medicine may cause serious allergic reactions, including anaphylaxis, which can be life-threatening and require immediate medical attention. Tell your doctor or nurse right away if you or your child have a rash, itching skin, difficulty with swallowing, dizziness, a fast heartbeat, lightheadedness or fainting, restlessness, trouble breathing, swelling in your face, hands, tongue, or throat, or chest pain after you receive the medicine.
Check with your doctor right away if you have a cloudy or bloody urine, dizziness, headache, numbness or tingling in the face, arms, or legs, swelling of the face, feet, or lower legs, or vision problems. These may be symptoms of a serious kidney problem called nephrotic syndrome.
This medicine may increase your chance of having blood clotting problems. Tell your doctor right away if you or your child have a sudden or severe headache, problems with vision or speech, chest pain, trouble breathing, or numbness or weakness while you are receiving this medicine.
Call your doctor right away if you or your child start to have bleeding problems, especially if this medicine has worked well for you before.
Serious side effects
Along with its needed effects, coagulation factor ix may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor or nurse immediately if any of the following side effects occur while taking coagulation factor ix:
Less common side effects
Incidence not known
- anxiety
- burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- chest pain
- cloudy or bloody urine
- difficulty with swallowing
- dizziness
- dizziness, fainting, or lightheadedness when getting up suddenly from a lying or sitting position
- headache
- itching, skin rash
- large, hive-like swelling on the face, eyelids, lips, tongue, throat, hands, legs, feet, or genitals
- pain, redness, or swelling in the arm or leg
- pains in the chest, groin, or legs, especially calves of the legs
- puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
- restlessness
- severe headaches of sudden onset
- sudden loss of coordination
- sudden onset of slurred speech
- sudden vision changes
- sweating
- tenderness, pain, swelling, warmth, skin discoloration, and prominent superficial veins over affected area
- trouble breathing
- unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
- vision problems
Other side effects
Some side effects of coagulation factor ix may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects.
Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:
Less common side effects
- change in or loss of taste
- drowsiness
- feeling of warmth
- pain in the arms or legs
- redness of the face, neck, arms, and occasionally, the upper chest
- shaking
For healthcare professionals
Applies to coagulation factor ix: intravenous kit, intravenous powder for injection.
Hypersensitivity adverse events
- Frequency not reported: Hypersensitivity (including bronchospastic reactions and/or hypotension, anaphylaxis, development of high-titer inhibitors necessitating alternative treatment)[Ref]
Hematologic
- Common (1% to 10%): Factor IX inhibition[Ref]
Gastrointestinal
- Common (1% to 10%): Nausea, vomiting[Ref]
Dermatologic
- Common (1% to 10%): Rash pruritic, hives[Ref]
Local
- Common (1% to 10%): Injection site discomfort, injection site pain[Ref]
Nervous system
Respiratory
Renal
- Common (1% to 10%): Renal infarct[Ref]
The renal infarct occurred in a hepatitis C antibody positive patients 12 days after treatment of a bleeding episode; the relation of the infarct to the prior administration of this drug is uncertain.[Ref]
Ocular
- Common (1% to 10%): Blurred vision[Ref]
Immunologic
- Common (1% to 10%): Influenza, cellulitis at injection site, phlebitis at injection site[Ref]
Psychiatric
- Common (1% to 10%): Apathy, depression[Ref]
Other
- Common (1% to 10%): Hemophilia (lack of efficacy), asthenia, fever, chills[Ref]
Cardiovascular
- Common (1% to 10%): Flushing[Ref]
See also:
Hemgenix
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Lysteda
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Ozempic
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Qfitlia
Qfitlia is used for hemophilia a, hemophilia a with inhibitors, hemophilia b, hemophilia b with ...
Cyklokapron
Cyklokapron is used for bleeding disorder, factor ix deficiency, hemophilia a
Hympavzi
Hympavzi (marstacimab-hncq) may be used to prevent or reduce the frequency of bleeding episodes ...
Idelvion
Idelvion (coagulation factor ix recombinant, albumin fusion protein) is a long-acting, injectable ...
BeneFix
BeneFix (coagulation factor IX) is a once-weekly, injectable, treatment for hemophilia B that may ...
Profilnine
Profilnine is used for factor ix deficiency, factor vii deficiency, hemophilia a with inhibitors ...
References
1. (2022) "Product Information. Benefix (coagulation factor IX)." Wyeth Laboratories
2. (2022) "Product Information. Ixinity (coagulation factor IX)." Cangene bioPharma, Inc.
More about coagulation factor ix
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- Drug class: miscellaneous coagulation modifiers
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Patient resources
- Coagulation factor IX drug information
- Coagulation factor ix recombinant (Advanced Reading)
- Coagulation factor ix recombinant, glycopegylated (Advanced Reading)
- Factor ix albumin fusion protein recombinant (Advanced Reading)
- Factor ix fc fusion protein recombinant (Advanced Reading)
- Factor IX (Recombinant)
Other brands
Idelvion, BeneFix, Alprolix, Rixubis, ... +4 more
Professional resources
- Factor IX (Human), Factor IX Complex (Human) monograph
- Factor IX (Recombinant) (AHFS Monograph)
- Factor IX (Recombinant), Fc fusion protein (AHFS Monograph)
- Factor IX (Recombinant), albumin fusion protein (AHFS Monograph)
Other brands
Idelvion, BeneFix, Alprolix, Rixubis, ... +4 more
Related treatment guides
Further information
Coagulation factor ix 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.