Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Seek emergency help for trouble breathing, throat or tongue swelling, fainting, confusion, collapse, or rapidly worsening symptoms after possible latex exposure.
Use prescribed epinephrine without delay when the action plan indicates it, then call emergency services because symptoms can return after initial improvement.
And for anyone, someone who:
Contact a clinician promptly if reactions are becoming more frequent, asthma or wheezing is occurring with exposure, dermatitis is persistent or infected, or a new medical or dental procedure is planned.
New food reactions should also be assessed rather than managed through broad food avoidance.
Routine follow-up may be appropriate with a primary care clinician, allergist, dermatologist, or occupational health professional.
Follow-up can review test results, workplace or household exposures, skin care, and preparation for future procedures.
The article also says
People prescribed epinephrine should periodically review their action plan and injection technique.
They should also check expiration dates and discuss how many devices to have available based on their clinician’s advice.
Every sign above is quoted from the sofidex article on Allergy to natural rubber. If you are not sure, err upward — it is always reasonable to be checked.