Increased Calcium

A flare reaction is a temporary worsening in the symptoms. Hormonal therapies can cause a "flare" reaction shortly after they are started. Although uncomfortable, a tumor flare reaction can be a sign that the hormonal treatment is working and is often followed by a positive response. Patients should be monitored closely the first few weeks after beginning treatment. If needed, side effects can be treated.

The worsening symptoms could be an increase in pain, tumor size, redness around the tumor, or new lesions. A flare reaction is a temporary worsening in the symptoms. Hormonal therapies can cause a "flare" reaction shortly after they are started. Although uncomfortable, a tumor flare reaction can be a sign that the hormonal treatment is working and is often followed by a positive response. Patients should be monitored closely the first few weeks after beginning treatment. If needed, side effects can be treated.

The worsening symptoms could be an increase in pain, tumor size, redness around the tumor, or new lesions.