Chlorambucil is a potent drug used to treat certain kinds of cancer. It is also used to suppress the immune system in conditions where this effect is desirable.
Chlorambucil is known to cause birth defects and should generally not be used in pregnancy. This drug is used to treat life-threatening conditions, however, and you and your veterinarian may decide that use during pregnancy is necessary to save the life o
Bone marrow depression: bruising, bleeding, lethargy, infection, difficulty breathing, contact your veterinarian. Fur loss, liver failure