Table 1 Symptoms and laboratory values of chronic and acute FPIES
From: FPIES in exclusively breastfed infants: two case reports and review of the literature
| Chronic FPIES | Acute FPIES |
|---|---|
| Symptoms | |
| Recurrent vomiting | Unstoppable vomiting (1 to 3 h after meal) |
| Chronic diarrhea | Diarrhea (with/without blood) 4–6 h after meal |
| Dehydration | Lethargy (hypotension, hypothermia) |
| Abdominal distension | Pallor |
| Weight loss, poor growth | Abdominal distension |
| Laboratory values | |
| Anemia | Neutrophilia |
| Hypoalbuminemia | Thrombocytosis |
| Neutrophilia/eosinophilia | Metabolic acidosis |
| Metabolic acidosis | Methemoglobinemia |
| Methemoglobinemia | Stool leukocytes and eosinophils |
| Reducing substances in stools | Blood in stools |
| Reducing substances in stools | |