What are the symptoms of pathological jaundice?

Pathological jaundice presents with severe yellowing of the skin and sclera, early onset of jaundice, prolonged duration of jaundice, gastrointestinal symptoms, and changes in the color of urine and stool.

1. Severe yellowing of the skin and sclera: Pathological jaundice causes明显黄染 of the skin and sclera, with the color ranging from light yellow to dark yellow, even presenting as golden yellow or orange-yellow.

2. Early onset of jaundice: Pathological jaundice typically appears within 24 hours after birth, whereas physiological jaundice usually develops 2-3 days after birth.

3. Prolonged duration of jaundice: The resolution of pathological jaundice is significantly delayed, persisting beyond 2 weeks in full-term infants and beyond 4 weeks in premature infants.

4. Gastrointestinal symptoms: Patients with pathological jaundice often experience gastrointestinal symptoms such as abdominal distension, abdominal pain, nausea, vomiting, and loss of appetite.

5. Changes in urine and stool color: The urine of patients with pathological jaundice may appear dark yellow or brown due to increased bilirubin concentration in the urine.

When jaundice symptoms appear, timely medical consultation and related examinations, such as bilirubin level testing, should be sought for early diagnosis and treatment.