The best for you that your family doctor check your progress at regular appointments to make sure that this drug is help you and to check for unwanted effects.
While you are being treated with cyclophosphamide and after you stop treat with it, do not have any immunizations - vaccinations without your family doctor's approval . Cyclophosphamide may lower your body's resistance and there is a risk you might get the infection the immunization is meant to prevent. In addition, other people living in your house must not take oral polio vaccine since there is a risk they could pass the polio virus on to you. Always avoid people who have recently taken oral polio vaccine within the last few months. Do not get close to them and do not stay in the same room with them for very long. If you can't take these precautions, you must consider wearing a protective face mask that covers the nose and mouth.
Before having any kind of surgery, including dental surgery, or emergency treat, make sure the family doctor or dentist in charge knows that you are taking this drug, especially if you have taken it within the last 10 days.
Cyclophosphamide can temporarily lower the number of white blood cells in your blood, increasing the risk of getting an infection. It can also lower the number of platelets, which are necessary for proper blood clotting. If this occurs, there are certain precautions you can take, especially when your blood count is low, to reduce the risk of infection or bleeding:
Before you have any medical tests, tell the family doctor in charge that you are taking this drug. The results of some tests may be effected by this drug.