Armpit Abscess

hello I suffer from a skin condition where I produce cysts and abscesses under my arms and under the breast quite often. I am currently experiencing one of my worst and painful flare ups. I was wondering

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if anyone could help me with the red lumpy thing at the bottom and what it is? it's very sore and painful to touch even when lightly touching it. if anyone knows what is it could you please let me know. thank you xx