Your quoted source jumps between ml and mg. Anyway here’s a collection of NIH blurbs WRT benadryl overdoses:
https://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb%3A%40term+%40DOCNO+3066
Most of the people on this list either took more of the stuff or were very young, but this stuff is toxic in large quantities and the hubby knew it. He just didn’t carry the one and she lived.
