What are the symptoms of food allergies in infants?

Infant food allergy symptoms vary greatly and mainly include the following aspects: 1. **Skin symptoms:** The most common are rashes, such as eczema and urticaria, manifested as redness, swelling, and itching of the skin. In addition, dryness and peeling of the skin may also occur. 2. **Gastrointestinal symptoms:** Infants may experience symptoms such as nausea, vomiting, diarrhea, and constipation. In severe cases, blood streaks or mucus may appear in the stool. 3. **Respiratory symptoms:** Food allergies may cause infants to experience difficulty breathing, wheezing, coughing, and other symptoms, which may be more pronounced at night or in the early morning. 4. **Symptoms affecting other systems:** Some infants may also develop systemic symptoms such as fever and fatigue. Additionally, food allergies may affect the nervous system, presenting as excessive crying, irritability, and poor sleep quality. Parents should seek timely medical attention when infants display the above symptoms, in order to receive professional diagnosis and treatment.