When your white blood cell count is too low, you have a high risk of getting an infection. Infections can be very serious in people with cancer. If you get an inÂ­fection or if your white blood cell count is very low, your chemotherapy may be delayed, and you may need to be treated in the hospital.hen your white blood cell count is too low, you have a high risk of getting an infection. Infections can be very serious in people with cancer. If you get an inÂ­fection or if your white blood cell count is very low, your chemotherapy may be delayed, and you may need to be treated in the hospital.
Diabetes and Ketones. Ketones in the blood occurs when the body burns its own fat. The presence of high levels of ketones in the bloodstream is a common complication of diabetes, which if left untreated can lead to ketoacidosis. Ketones build up when there is insufficient insulin to help fuel the bodyâs cells.
1 Insulin allows sugar to enter your cells, causing your blood sugar level to drop. If your blood sugar level drops too quickly, you can develop low blood sugar.  Low potassium (hypokalemia). The fluids and insulin used to treat diabetic ketoacidosis can cause your potassium level to drop too low.