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2. Papules

Another common lesion is papules, which are elevated and typically less than 10 mm in diameter. Examples include insect bites, warts, and some acne. Nodules are firm papules that go into the subcutaneous tissue. Some are caused by chronic conditions, such as reactive arthritis and dermatomyositis, an inflammatory disease.

papules bug bites PARNTAWAN / Getty Images
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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.