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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