Hives or bites: Itchy red bumps on your neck may be hives from an allergy to something internal or something which contacts your neck. Insect bites are possible if the bumps last longer than 24 hours. Benadryl(causes drowsiness) or Claritin (loratadine) may help. Cortisone type cream may also offer relief.
Answered 7/9/2018
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