1, digestive system, rash is easy to occur within one week, and patients have abdominal pain. Most patients have paroxysmal periumbilical pain or colic, which may be accompanied by tenderness or rebound pain. Some patients have vomiting symptoms, some patients have occult blood in stool, even bloody stool, and severe cases have hematemesis.
2, skin damage, mainly skin purpura as the first symptom, the skin surface has formed petechiae or ecchymosis of different sizes, and even pink maculopapules, pressure will not fade. Purpura can fuse into flakes and develop into brown color. It is easy to fade within 1-2 weeks and generally leaves no trace. In severe cases, there are blisters and blood blisters.
3, urinary system, patients with gross hematuria, individual patients will be observed under the microscope hematuria or proteinuria, or tubular urine, it should be noted that urinary system symptoms will appear at any time, will also appear after the rash subsided, patients with varying degrees of severity, severe cases of renal failure or hypertension symptoms, causing patients special pain.
These are the early manifestations of allergic purpura. The condition is very complicated, especially serious, involving obvious skin lesions. Every friend should have a thorough understanding of allergic purpura, correctly understand the knowledge of the disease and seriously understand the symptoms of the disease. If the skin has abnormal symptoms, he should be on his guard. Once diagnosed by a doctor, it must be actively treated.