Before you decide to drink alcohol while on Xolair, it’s crucial to have a conversation with your doctor. Alcohol can alter how your immune system functions, potentially raising your chances of getting certain cancers or infections. Additionally, drinking alcohol might heighten the risk of experiencing some side effects from Xolair, like dizziness, since both alcohol and Xolair can lead to this issue. We’re here to guide you through understanding how your treatment and lifestyle choices interact, so please don’t hesitate to reach out for advice.