What treatment would you recommend for an inflamed mole? (photo)

I have a painful mole on my back which appears to have an infection under it. I have a burning pain from it randomly and get a deep aching/ pulling sensation from it fairly regularly. I have previously been to check on other moles and do not wish to waste his time if this is not important. The mole is approximately 6mm across. Thank you in advance for your assistance

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