Pulmonary edema developed in 3 (patients 4, 5 and 8) patients; 2 of them with DSS experienced acute pulmonary edema emerged on day 5 (patient 5) and day 6 (patients 8) after dengue onset, respectively, while the other one (patient 4) with lung cancer and hypoalbuminemia (serum albumin, 1.4 g/dL [normal range, 3.0–4.5 g/dL]) experienced septic shock on day 15 of hospitalization (day 17 after dengue onset) thus receiving fluid resuscitation, and pulmonary edema was found on following day. Here, ALB is linked to pulmonary edema.