With the popularization of medical knowledge, people know that special attention should be paid to taking medicine during pregnancy and lactation. However, some people don’t pay much attention to the use of topical medications. Some time ago, Xiaoyun, a nurse who was 5 months pregnant, developed some small rashes on her body. The healthcare practitioner diagnosed her with hay fever. Since she was pregnant and her symptoms were mild, she was not prescribed any medication. But Xiaoyun felt a little itchy on her face and thought: As long as she doesn\’t take medicine randomly, it will not have any adverse effects on the fetus, so she went to the drugstore to buy topical medicine for her to take. initiative. This approach is wrong. Relevant research shows that women during pregnancy and breastfeeding