Pregnant women are allowed to take medicine. When pregnant, the enzymes in the body will undergo certain changes and have metabolic effects on drugs, some of which are not easily excreted in the body and will easily cause poisoning and affect the development of the fetus in the womb. Pregnant women must go to the hospital when they are sick and take the medicine under the guidance of a doctor, even if it is over-the-counter, it can only be taken under the guidance of a doctor and should be taken with a medicine that does not affect the body and has much less impact on the fetus. Pregnant women must be cautious and careful when taking medicine, if you feel uncomfortable where to take the medicine, do not take it again, otherwise it will have a serious impact on the fetus in the belly, pregnant women who have diseases before pregnancy better be cautious.