Acne inversa has to be differentiated from furuncles, carbuncles, vegetating pyoderma, cutaneous tuberculosis, actinomycosis, lymphogranuloma inguinale and Crohns disease.[5] Treatment options include antiseptics, antibiotics and corticosteroids.[6] Tetracycline, clindamycin or rifampicin have all been tried with limited success. Isotretinoin is effective in some cases only. Etretinate and aci...