Hi, welcome to the forum, most probable cause can be severe allergic reaction to amoxicillin
in the form of angioedema. This may be associated with laryngeal swelling leading to
respiratory obstruction. Hence, it is important to rule out this condition.
It usually involves three types of attack like-
The skin (cutaneous attacks)
The gastrointestinal tract (abdominal attacks) and
The larynx (laryngeal attacks)
Adverse cutaneous reactions to drugs are common encountered now a days esp.