The analysis is as follows: First, women can take medicine when they have fever during menstruation, because the causes of fever are bacteria or viruses, so from this point of view, the side effects of drugs for the treatment of bacteria or viruses are very small, and the half-life of such drugs is also very short, and they can be quickly excreted by the liver and kidneys in the body, and these drugs will not have an adverse effect on women’s Second, the body has a strong immune system, such as the liver and kidneys, as well as immune cells, immune factors, thymus bone marrow, etc. Even if you take medicine for fever during menstruation, the drug will not be absorbed excessively by the body after entering the body, but will be intercepted by the immune system in time to prevent damage to the body. Therefore, even if you have a fever during menstruation, you can still take the appropriate medication.