insulin shock vs insulin reaction

insulin shock and insulin reaction both are nouns.

Word	Noun	Adjective	Verb	Adverb
insulin shock	Yes	No	No	No
insulin reaction	Yes	No	No	No

As nouns, insulin shock and insulin reaction are synonyms defined as:

insulin shock and insulin reaction: hypoglycemia produced by excessive insulin in the system causing coma

insulin shock (noun)	insulin reaction (noun)
the administration of sufficient insulin to induce convulsions and coma	hypoglycemia produced by excessive insulin in the system causing coma
hypoglycemia produced by excessive insulin in the system causing coma