A line relative of mine, have swollen eyes & puffy cheeks ; after eatting food, how to treat it?

It started yesturday, and has gone to today,
she can barely see anything, because her eyes are so swollen,
HELP!
what can i do?
Answers:
in good health you need to figure out what food cause it
she obviously has a food allergy which can obtain worse the next time she eats the food and certainly cause death
she can bear some benadryl to help with the effects.. but she should dance to the doc asap to find out the cause.. then stay away from that food

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