Papular urticaria is not contagious from person to person, so parents do not need to worry about their child infecting others. However, it is important to treat it promptly and prevent the child from scratching and worsening the symptoms.
1. **Explanation of the cause:** This type of skin problem is usually caused by insect bites or contact with certain substances. It is a local allergic reaction and is not caused by bacteria or viruses, so it is not contagious.
2. **Symptom characteristics:** Red bumps may appear on the skin, accompanied by itching, commonly on the limbs or waist, but it will not be transmitted to others through daily means such as contact or respiration.
3. **Key points for family protection**: Although not contagious, multiple people in the same environment may fall ill one after another due to similar reasons (such as mosquito breeding). This is considered common exposure rather than mutual transmission.
It is recommended to keep your home clean to reduce mosquito breeding; children should wear long-sleeved clothing and use child-friendly mosquito repellent when going out. If the rash persists or itching is severe, seek medical attention promptly and use topical medications under the guidance of a doctor to relieve discomfort. Keep children's nails trimmed to prevent scratching and infection.
