Welcome! How can I help with your medical...

Hello,
Dear customer

Regarding what you mentioned

, the swelling of the face and the other symptoms such as itching after exposure to certain dye , so those symptoms are due to allergic reaction which is elicited by exposure to certain triggers .

What is the treatment of an allergic reaction ?

The patient should receive the immediate anti allergic therapy such as corticosteroids injection in addition to anti histaminic drugs in order to suppress the allergic reaction.

How could be this condition prevented ?

This condition could be prevented by avoiding the allergy's triggers such as the dye in your situation.

What should you do in this case ?

 we recommend that you visit your GP  doctor  or the internist doctor so that the doctor could do a full clinical evaluation of your case , then he will treat it accordingly.
Stay well.
Feel free to message me anytime here if you have further questions.
It is our pleasure to help. Please feel free to reach out to me anytime.
You can also ask our other certified experts in various fields such as Nutritionists, Lawyers, IT Experts, Therapists, Mechanics, Doctors, Handymen, and more.
kind regards.