Chemotherapy decreases the body's immune response. This meansthat vaccines may be less effective if given during treatment, and livevaccines may cause serious infections. Live vaccines should usually bepostponed until six months after finishing chemotherapy. Live vaccines include:measles, mumps, rubella, MMR, oral polio, oral typhoid and yellow fever. Iflive vaccines are needed they should be postponed until at least six monthsafter finishing chemotherapy.

If you are taking phenylbutazone your doctor may prescribe you alower than normal dose of chlorambucil.

Other medicines containing the same active ingredient
There are currently no other medicines available in the UK thatcontain chlorambucil as the active ingredient.