Serious infections are constant hazard for patients receiving chronic immunosuppression, especially for homograft recipients. These data will be presented during for azathioprine online one oral and two poster sessions at the annual meeting of the European Association for the Study of the Liver EASL being held this week in Copenhagen April 22 26, 2009. Discontinuation may be necessary for severe hematologic or other toxicity, even if rejection of the homograft may be consequence of drug withdrawal. What are the complications? The major complications of the disease include an elevated blood glucose level or hyperglycaemia, with potential risk of diabetes due to impaired insulin production from the pancreas.