To treat blood cancer, Bortrac 2mg Injectionis used and its generic name is bortezomib. It has several disadvantages which include constipation, nausea, loss of appetite, stomach pain, dizziness, sore throat, shortness of breath, fever, chills, muscle cramps,etc. If these are seen in patients, consult it with your doctor for medical attention. Do not avoid these otherwise it will get serious and increase the duration of the treatment. Your doctor may prescribe other medicine to overcome these problems.