It is possible to get dizzy when you have cancer. Many cancers can metastasize to the brain and form different brain metastases. If the brain metastases are large and located in important functional areas of the brain, dizziness, headache, nausea, projectile vomiting, hemiparesis, and aphasia can occur. If the brain metastasis occurs in the cerebellum, balance dysfunction can occur in addition to dizziness. Many advanced cancers will have cardiovascular and cerebrovascular diseases, decreased physical strength, plus adverse reactions caused by anticancer treatment, and also dizziness symptoms due to unstable blood pressure. Relatively speaking. Dizziness symptoms are mostly caused by common diseases such as low blood pressure, insufficient blood supply to the brain, severe anemia, intracranial tumors and heart disease. If cancer can cause the above diseases, it is easy to induce dizziness. Some people with cancer will get dizzy and some will not. There are many kinds of cancer, each of which can cause different symptoms, so the answer is not unique. It is recommended to go to a local regular hospital for a detailed examination to find out the cause of the disease.