During pregnancy, especially in the first 3 months, you should try to avoid contact with a variety of drugs, especially antibiotics need to be used with caution, and if once you get a wheals, first of all, you can treat it through physical methods, rest your eyes more, reduce the time spent with your eyes, and avoid looking at electronic devices such as cell phones and computers. The initial wheals can be treated by applying hot compresses 3-4 times a day, but remember not to press on them to avoid spreading the inflammation. In addition, you can eat more fruits and vegetables rich in vitamin C to improve their own immunity, and the wheals themselves have a certain self-limiting, by improving their own immunity can speed up the recovery, generally handled properly will be recovered within 1-2 weeks.