When hives flare up, there are ways to relieve the itching. It's recommended to avoid scratching first, and take gentle anti-itch measures promptly. Consult a doctor if necessary.

1. Apply cold compress to soothe.

Wrap an ice pack or a soft cloth soaked in cold water in a towel and gently apply it to the itchy area for about 10 minutes each time. The low temperature can temporarily constrict blood vessels, reducing redness and itching.
2. Use gentle skincare products
Choose a simple moisturizing cream or soothing gel and apply it to your skin to help retain moisture and relieve dryness and itching. Avoid products containing alcohol or fragrance.
3. Wear loose clothing
Wear loose-fitting clothes made of breathable materials such as cotton to reduce friction and stuffiness against the skin, and prevent itching from worsening.
4. Adjusting environment and habits
Keep the room cool and well-ventilated, and avoid using excessively hot water when bathing. Try to avoid foods that may worsen symptoms, such as spicy foods or alcohol.
If the itching persists or recurs, consult a doctor and use anti-allergy medication as needed. Also, keep a record of factors such as diet and environment during flare-ups; this can help identify triggers and reduce recurrence.