Every single commercial you see regarding a drug hits the rare side effects at the very end.
Zofran is used
in labor routinely and safely. I had to have it
in both
of my deliveries due to nausea and vomiting (seems I am a total wimp and that is part of my pain reaction).
Listen to any drug add and they, at the very end, list a couple of things that according to the package inserts on these drugs is are very low but legally they have to mention them in order to broadcast an ad.