Hi there,This is Dr Basu, experienced Internal Medicine Specialist.I am here to address your concerns and provide great service.
Sounds like urticaria.
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ok are these bumps painful or itchy?
have you tried any medication?
Most likely this is a type of atopic dermatitis.
Allergic reaction is a common example.
Hence a steroid ointment like Hydrocortisone 1% can be tried twice daily for 2 weeks.
Improvement should be noted.