How long can men have children after stopping medication needs to be judged according to the type of medication taken, if the medication is of the proprietary type, it is usually considered after one month, if antibiotic drugs, it is usually considered to prepare for pregnancy after stopping the medication for two months, and if it is hormonal drugs, it usually takes at least half a year. Usually, the drug type is relatively large, men are not recommended to get pregnant immediately during the use of drugs, may increase the probability of the occurrence of fetal malformation, preeclampsia and other risks. It is also worth noting that, if there is a preparation for pregnancy during the use of drugs, should be timely to the hospital for a detailed physical examination, the impact of different drugs on pregnancy is not the same, under the guidance of the doctor to make reasonable adjustments, do not use their own medication, stop taking medication.