Because you have them in your scalp - this is not typical acne. Please consider seeing your doctor about
This was posted by someone having similar problems: "I had a dermatologist look at it. He told me it was acne and rheumatoid nodules. I got a second opinion. The 2nd dermatologist biopsied the bumps on my knuckles. Ends up that the rash and bumps are both from Humira."
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CD, Ankylosing Spondylitis, lupus, small fiber peripheral neuropathy, avascular necrosis, peripheral artery disease, degenerative disc disease, and a host of other medical problems.