1. The harm of taking cold medicine in early pregnancy. Early pregnancy is the most critical period for fetal development. If you accidentally take cold medicine at this time, it may have adverse effects on the fetus. Common cold medicine ingredients such as aspirin and aminopyrine can increase the risk of miscarriage and malformations, so pregnant women should pay special attention. 2. How to treat colds in early pregnancy. If cold symptoms occur in early pregnancy, it is recommended to seek medical treatment in time and follow the doctor\’s recommendations for treatment. Generally speaking, pregnant women can drink more water, rest, and maintain indoor air circulation.