This person has scars, pits, and blackheads from hidradenitis suppurativa.
This person has scars, pits, and blackheads from hidradenitis suppurativa.
Hidradenitis suppurativa often involves the buttocks and skin folds of the groin. Draining cysts are seen in this close-up photograph.
Hidradenitis suppurativa often involves the buttocks and skin folds of the groin. Draining cysts are seen in this close-up photograph.
Scars can form from hidradenitis suppurativa.
Scars can form from hidradenitis suppurativa.
Inflamed cysts can be very tender in hidradenitis suppurativa.
Inflamed cysts can be very tender in hidradenitis suppurativa.

Graphic content

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The thigh and the skin fold in the groin are typical locations for the cysts of hidradenitis suppurativa.
The thigh and the skin fold in the groin are typical locations for the cysts of hidradenitis suppurativa.
This is a close-up photograph of the armpit in a patient with hidradenitis suppurativa. These are small early pus-filled and non-pus filled lesions.
This is a close-up photograph of the armpit in a patient with hidradenitis suppurativa. These are small early pus-filled and non-pus filled lesions.

Images of Hidradenitis Suppurativa (6)

This person has scars, pits, and blackheads from hidradenitis suppurativa.
Hidradenitis suppurativa often involves the buttocks and skin folds of the groin. Draining cysts are seen in this close-up photograph.
Scars can form from hidradenitis suppurativa.
Inflamed cysts can be very tender in hidradenitis suppurativa.

Graphic content

The thigh and the skin fold in the groin are typical locations for the cysts of hidradenitis suppurativa.
This is a close-up photograph of the armpit in a patient with hidradenitis suppurativa. These are small early pus-filled and non-pus filled lesions.

Hidradenitis Suppurativa

Hidradenitis suppurativa is a chronic condition of the sweat glands. The sweat glands become clogged due to a variety of reasons, leading to enlargement (dilatation) of the ducts behind them. This dilatation predisposes the area to inflammation and infection by a variety of bacteria. Those with hidradenitis suppurativa typically have multiple large, red bumps on the buttocks, breasts, groin, and armpits. The bumps gradually get larger and drain pus. After multiple bouts of this cycle of plugging, enlargement, and drainage, there may be scarring.

While there is no cure for hidradenitis suppurativa, you can work with your doctor to treat existing lesions and prevent new ones.

Who's At Risk?

Hidradenitis suppurativa usually starts soon after puberty and continues into adult life. It is more common in women and in African Americans. Hair removal from shaving or using depilatories, deodorants, and irritation from anything rubbing against the affected area can worsen the condition. Hidradenitis suppurativa is often associated with smoking, obesity, and increased hormones. Additionally, it often runs in families.

Signs & Symptoms

The groin and armpits have high concentrations of sweat glands, which is why these areas are most severely affected by hidradenitis suppurativa. There may also be lesions between the buttocks or under the breasts due to the friction from skin rubbing together, which is why people who are obese are more predisposed to this disease.

The lesions of hidradenitis suppurativa are firm tender, red bumps with extensive scar and sinus tracking under the surface of the skin. Often, you will see a pair of blackheads within one lesion, and the lesions may drain pus. Hidradenitis suppurativa lesions are rarely seen on the trunk of the body or on the scalp or legs.

Some people may experience only one or few lesions, while others may have severe disease, affecting many areas. Increasing hormones and excessive perspiration can cause more lesions.

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Self-Care Guidelines

Make sure to wash any red, draining area(s) of hidradenitis suppurativa with an antibacterial soap, and then apply antibiotic ointment and clean bandages. If there is a large amount of drainage, change the gauze pads and dressings often. Warm compresses and ibuprofen can help reduce the swelling. Avoid tight-fitting clothing to prevent further irritation.

Weight loss may decrease lesions by decreasing skin folds and, thus, friction on the skin. Smoking should be avoided.

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Treatments

Your doctor may prescribe a topical antibiotic solution for mild areas or a long course of oral antibiotics to treat more severe areas. Your doctor may also send drainage for laboratory analysis to make sure that you are on the appropriate antibiotics. You may be given an injection of steroids into the deep, painful hidradenitis suppurativa lesions. If excessive hormones are thought to be the problem in a woman, she may be prescribed hormonal therapy. Oral tretinoin, used in severe acne, may be used to treat plugged sweat glands and keep them from plugging in the future. Steroids and immunosuppressive medications may be used in severe cases.

Surgical removal is often the ideal treatment for severe cases of hidradenitis suppurativa that continue to come back.

Visit Urgency

Some cases of hidradenitis suppurativa can be treated with self-care measures. Healing of individual lesions takes about 1–2 weeks. Make sure to seek medical care if you are not able to control the pain with ibuprofen and warm compresses. Medical treatment may be necessary if the condition appears in multiple areas or continues to come back (recur). If there is redness, excessive pain, excessive drainage, red streaking, you have a fever, or there are other factors that may indicate there is an infection, see your doctor. If you have been given antibiotics and the area does not improve within a few days, return your doctor.

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References

Bolognia JL, Jorizzo JL, Rapini RP, eds. Dermatology. Vol. 1. 2nd ed. St. Louis, MO: Mosby; 2008:528-529.

Wolff K, Goldsmith LA, Katz SI, Gilchrest BA, Paller AS, Leffell DJ, eds. Fitzpatrick’s Dermatology in General Medicine. Vol 1. 7th ed. New York, NY: McGraw-Hill; 2008:734-738.