Side effects
Cytokine release syndrome
Cytokine release syndrome · CRS
An immune reaction that can occur after some immunotherapies.
Sources checked · Introductory guide
What is it?
A rapid release of cytokines from immune cells can trigger this reaction. It may be mild, but severe reactions can be life-threatening.[1]
Which symptoms should I report?
Symptoms can include fever, rapid heartbeat, low blood pressure and breathing difficulty. Contact your team immediately; severe breathing difficulty or altered consciousness needs emergency care.[1]
Questions for your care team
- Who should I contact at night or on weekends?
Sources and scope
Source documents are in English.
General information based on official public sources. This is not a complete list of uses or side effects. Individual treatment decisions require your care team and current source documents.