What are the side effects of total parenteral nutrition tpn?

See below: Besides blood steam infections metabolic derangements including hyperglycemia, serum electrolyte alterations, macro- or micro-nutrient excess or deficiency, refeeding syndrome wernicke's encephalopathy and hepatic dysfunction may occur and need close monitoring.

Short and long term: There are both short and long term complications of tpn. Short term complications include infections, and imbalance of electrolytes, fluid status and blood glucose levels. Long term TPN can result in loss of IV access and also liver injury and cirrhosis. If you remain on TPN for more than 2-3 months, you should be evaluated at an intestine failure center which may consider intestine transplant.