Table 1- Hidradenitis Supprativa, Acne Vulgaris and Acne Fulminans Compared

 

Hidradentitis Supprativa

Acne Vulgaris (AV)

Acne Fulminans

Identified genetic link2

Yes

No

No

Association with inflammatory arthritis3

Uncommon

Very rare

Rare and sometimes transient

Association with Crohn’s4,5

Not uncommon

Very rare

Uncommon

Resolution with isotretinoin6

Almost never

50-65%

Sometimes

Association with hyperandrogenism7

No

Yes

Yes but likely less than AV

Association with obesity4,5

Strong

Weak

Weak

Affects teenagers commonly5

No

Yes

Less than AV

Tumor necrosis Factor α suggested and useful as therapy

Yes

No

Yes8