Problem analysis: Hello, generally speaking, losing weight for a few days will not lead to malnutrition in patients. Generally speaking, malnutrition takes a long time to appear. As far as people's diet is concerned, it is rarely heard that losing weight will lead to malnutrition and edema!

Suggestion: Generally speaking, young people suddenly have edema, so they should go to the hospital to check their renal function and liver function. Generally speaking, problems in these two aspects will lead to edema of patients, so please see a doctor as soon as possible!