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 (8%)
- Sore throat (5%)
- Fever (3%)
- Rash (3%)
Less Common Side Effects
- Injection site reaction (e.g., pain, redness, itching, raised skin)
Fasenra serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Serious allergic reaction: trouble breathing; swelling in your face, lips, or tongue; rash; itchiness; fast heartbeat; nausea; vomiting; dizziness
When do Fasenra possible side effects begin and end?
Time passed since treatment started:
H
D
W
M
Injection site reaction
Risk of serious allergic reaction after injection
Seek immediate medical care if you experience this side effect.
Source: DailyMed
The following Fasenra side effects have also been reported
Side effects that you should report to your care team as soon as possible:
- Allergic reactions or angioedema—skin rash, itching or hives, swelling of the face, eyes, lips, tongue, arms, or legs, trouble swallowing or breathing
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
- Headache
- Sore throat
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