Learn about the treatment methods for allergic purpura, including antiallergic treatment and hormonal treatment, as well as consultation advice and the importance of allergen testing.

Allergic purpura is a type of immunological disease caused by vascular inflammation due to various allergens such as drugs, food, and pollen. Treatment methods include active antiallergic therapy, vitamin supplementation, improving vascular permeability, and avoiding contact with allergens as much as possible. Allergic purpura may also lead to nephritis, so Chinese medicine can be considered as an auxiliary treatment.

A 5-year-old child is experiencing coughing, especially in the morning and evening, and sometimes struggles to breathe at night, with difficulty coughing up phlegm and frequent nose itching. What are these symptoms?