Laryngeal attacks can become life threatening. If you have an HAE attack of the throat (laryngeal attack), inject FIRAZYR and then go to the nearest hospital emergency room right away.
The most common side effects of FIRAZYR include:
- redness, bruising, swelling, warmth, burning, itching, irritation, hives, numbness, pressure, or pain at the injection site
- fever
- too much of an enzyme called transaminase in your blood
- dizziness
- nausea
- headache
- rash
These are not all of the possible side effects of FIRAZYR. Tell your healthcare provider if you have any side effect that bothers you or that does not go away. You are encouraged to report negative side effects of prescription drugs to the FDA. Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.
Tell your healthcare provider if you have any other medical conditions, if you are breastfeeding or plan to breastfeed, or if you are pregnant or planning to become pregnant. FIRAZYR has not been evaluated in pregnant or nursing women. You and your healthcare provider will decide if FIRAZYR is right for you.
If your symptoms continue or come back, you may repeat your FIRAZYR injection at least 6 hours apart. Do not use more than 3 doses of FIRAZYR in a 24-hour period.
Tiredness, drowsiness, and dizziness have been reported following the use of FIRAZYR. If this occurs, do not drive a car, use machinery, or do anything that needs you to be alert.
Please see the full Prescribing Information, including Patient Information.
