How long would it take to fully heal from sepsis?

Variable: Sepsis can be mild to severe, so the recovery is dependent on the severity. Severe sepsis can require weeks to months to recover. Mild sepsis can be overcome in days.

Depends : It depends on how severe the reaction of sepsis is. If it is mild and doesn't cause significant organ injury, then recovery can take days to weeks. But, if the sepsis causes organ failure, like kidney failure or a lung reaction, then it can take a very long time. But it's hard to say exactly how long, because everyone's body is different.