Dear Maria Martinez...
The side effects depends on the amount of the cream ingested.
Usually there is no harm caused.
Side effects include burning, redness
of the oral cavity...
Also look out for any involvement of the gastro intestinal tract like refusal to breastfeed, vomiting
and excessive cry due to pain abdomen.
So...if any such symptom is present..then it will be better to consult a Pediatrician
But there is no need to worry...usually no harm is caused.
Wishing a good health.
Thanks & take care.