Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Call emergency services now if there is:
And for anyone, someone who:
Contact a poison centre promptly after any swallowed hardener, even if there are no immediate symptoms.
In the United States, Poison Help is available at 1-800-222-1222.
Elsewhere, use your local poison information service.
Get urgent medical care after an eye splash if pain, blurred vision, redness, or light sensitivity remains after thorough rinsing.
A corrosive product in the eye should be assessed urgently.
Urgent assessment is also appropriate for persistent coughing, wheezing, shortness of breath, trouble swallowing, repeated vomiting, blistering skin, or increasing pain.
New swallowing difficulty in the weeks or months after ingestion also needs prompt review.
Arrange routine follow-up if an injury is healing slowly or symptoms such as rash, cough, or wheezing keep returning during resin work.
Every sign above is quoted from the sofidex article on Plastic resin hardener poisoning. If you are not sure, err upward — it is always reasonable to be checked.