While taking CRYSVITA, tell your doctor if your child experiences:
- An allergic reaction such as rash or hives
- A rash, swelling, bruising, or other reaction at the injection site
What are the possible side effects of CRYSVITA in adults?
The following side effects were observed in more than 5% of adults who were treated with CRYSVITA every 4 weeks and in at least 2 patients more than with placebo in the first 24 weeks of Study 4.