Acrodermatitis continua, also known as grover's disease, is a rare type of pustular psoriasis affecting the digits. It is often precipitated by trauma. It typically begins on a single digit after blunt trauma. Other digits may eventually become involved. It is much less common in women or younger people. It usually disappears within one to two years. Acrodermatitis continua results in sweating or some unexpected heat stress. It may results in itching which may be frequently occurring which is the case of most of the patient suffering from this disease. Acrodermatitis continua is characterized by multiple pustules with scale on an erythematous base, is usually restricted to a distal location on one or two digits. Acrodermatitis continua can be resistant to treatment. It may be treated topically with glucocorticoids, calcipotriene, or 5-fluorouracil.
Causes of Acrodermatitis continua
The course is chronic with acute exacerbations from time to time. It is regarded as being caused by Staphylococcus aureus. Underlying monilial and tinea infections must be excluded. In every case, a thorough search should be made for an active focal sepsis.
Common causes and risk factors of Acrodermatitis continua:
- Exposer to extremes of temperature.
- Blocking of sweat ducts.
- Bed rest.
- Trauma to sun damaged skin.
Signs and Symptoms of Acrodermatitis continua
Sign and symptoms may include the following :
- Itchy spots on the central back.
- Solid, raised bumps on the skin.
Treatment for Acrodermatitis continua
The treatment is unsatisfactory. The ointment should be rubbed meticulously into the edges of the lesion to obtain good results. It consists in cleaning up and exposing the peripheral edge, potassium permanganate soaks, and painting the lesions with 5 per cent aqueous silver nitrate once only. This is followed by the local application of bacitracin and hydrocortisone ointment twice a day. In resistant cases, superficial X-ray therapy and autogenous vaccine may be tried.
Treatment may include:
- There are creams like topical cortisone creams which mainly control minor outbreaks.
- Isotretinoin and Dapsone are useful in some cases but rarely required.
- Topical steroids may be useful.
- Critical eruption usually clear up after taking Accutane or Tetracycline pills for one to three months.
- Moisturising creams are also helpful.