Unfortunately, the lists keep changing but if you wanted a recent continually updated reference, the book called Drugs in Pregnancy and Lactation by Briggs is a compendium of all of the studies and reports of all medications and their effects on the pregnancy and the baby. Any medical library or book store would have a copy. Small doses of aspirin have generally been considered OK but there are some reports in the literature of premature closure of the ductus arteriosus in the fetal heart which can lead to pulmonary hypertension. In later pregnancy it has been reported to be associated with a decreasing amount of amniotic fluid. No fetal anomalies have been reported with aspirin use.
Pharmacists are under-utilized resources also.
If he or she has had a fairly recent degree, they would be up to date on such information. You could call your local children's hospital pharmacy - these pharmacists are generally very knowledgeable about such drugs. Watch kids controlling behavior of breath holding. Most children do not get enough water in their diet. You should not rely on this information as a substitute for personal medical attention, diagnosis or hands-on treatment.