RealPeopleGroup/Getty Images. Some will bite, while others suck blood and some just munch on your favorite plants. They are worse during the midsummer when the temperatures are hot and humid. All biting nats and biting maggots can cause this influence. Allow the compress to sit over the affected area for at least 15 minutes. Treat Symptoms Remove any tight jewelry from the area of the bite or sting. Repeat after every hour for 6 hours at least. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/52\/Reduce-the-Pain-of-Gnat-Bites-Step-1-Version-2.jpg\/v4-460px-Reduce-the-Pain-of-Gnat-Bites-Step-1-Version-2.jpg","bigUrl":"\/images\/thumb\/5\/52\/Reduce-the-Pain-of-Gnat-Bites-Step-1-Version-2.jpg\/aid398235-v4-728px-Reduce-the-Pain-of-Gnat-Bites-Step-1-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"
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