Our expert says:
Hi Tessa, thank you for the question.
This is a difficult question to answer over the net as one would like to examine the skin so that the correct diagnosis can be made and that the best treatment regime can be recommended.
Your best approach would be to consult a dermatologist who can examine the skin and give you the appropriate advice. A number of possibilities exist for the small bumps but typically they are caused by and infective or inflammatory process.
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