Certican 0.25mg Tablet is used for the prevention of organ rejection in transplant patients. It regulates the bodys immune response, so the body can accept the new organ. It is also used in combination with other medicines to treat cancers of breast, pancreas, lungs, and kidney.Certican 0.25mg Tablet must be taken in a dose and duration as per the prescription. It can be taken with or without food but make sure to take it at about the same time every day. An overdose of this medicine may have serious side effects on the body.