Severity of allergic reaction to ant bites and stings differs between individuals. Most people who are not highly allergic develop welts and pustules. Fire ant stings can be fatal to those who are severely allergic. Symptoms of a severe allergic reaction include excessive swelling, itching, shortness of breath, thickening of the tongue, sweating, etc. Seek medical attention immediately if you experience any of these symptoms of severe allergic response.

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