Can you be exposed to sunlight in the early stages of urticaria?

Generally, whether urticaria in its early stage can be exposed to sunlight should be determined based on individual physical conditions and symptom reactions. If the person is not allergic to sunlight and symptoms are mild, short-term sun exposure may be acceptable. However, if allergic to sunlight or symptoms worsen after sun exposure, sunbathing is not recommended. Detailed analysis is as follows:

If symptoms of urticaria are mild during the early stage, with only a small number of wheals appearing and sunlight exposure is not the trigger, short-term activity in mild sunlight typically won't significantly worsen symptoms.适度日晒还能通过适度日晒促进身体代谢，但需避免强光直射和长时间暴晒。

When early symptoms of urticaria are related to sun allergy or sun exposure leads to an increase in wheals and intensified itching, this indicates a high skin sensitivity to sunlight. In such cases, sun exposure may irritate the skin and exacerbate the inflammatory response, which is unfavorable for symptom relief. Therefore, sun exposure should be avoided.

To reduce discomfort during the early stage of urticaria, it's important to observe your individual reaction to sunlight and determine whether you have solar-induced urticaria. When going outdoors, take appropriate protective measures according to the situation, such as wearing long-sleeved clothing and hats to shield yourself from sunlight.