Stoke is listed right on their website so my thought is if it can make a
stroke happen then yes, TIA would most likely be
in that breakdown as well. good luck
http://www.pegasys.com/patient/tools-resources/caregiver-connections/your-role/index.html
PEGASYS can cause serious side effects, such as mental health problems and suicide, heart problems, stroke or symptoms of a stroke, new or worsening autoimmune problems, and infections. Some of these side effects may cause death.