The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Headache (4-7%)
- Change in taste (5%)
- Stomach pain or discomfort (2-5%)
- Rash (4%)
- Vaginal yeast infection (up to 4%)
- Nose or throat infection (2-4%)
- Flu-like symptoms (2-4%)
Less Common Side Effects
- Nausea
- Upper respiratory tract infection (e.g., cough, common cold)
Berinert serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Severe allergic reaction: hives, rash, chest tightness, difficulty breathing, wheezing, fast heartbeat, faintness, swelling of the tongue or throat
- Blood clot: pain, swelling, warmth, or discoloration of the arm or leg, unexplained shortness of breath, chest pain or discomfort, unexplained fast heartbeat, numbness or weakness on one side of the body
Source: DailyMed
The following Berinert side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
- Blood clot—pain, swelling, or warmth in the leg, shortness of breath, chest pain
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):

