Never use any drug unless there is a good reason, especially for the woman who is expecting a baby. Ask the patient if he has had previous drug reactions: if he has, be careful. It is estimated that more than half of the adverse reactions that are reported would be prevented if this were done. Ask the patient ff he is already receiving other drugs.
If possible, use a drug with which you are familiar. If you use a new drug, be especially on the watch for adverse reactions. Report serious or unusual reactions suspected as due to established drugs, and any reaction however slight that may be due to a newly marketed drug. According to the advice given about women expecting babies, ______.