Common Specialities
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Lichen Simplex Chronicus/ Prurigo Nodularis

Lichen Simplex Chronicus/ Prurigo Nodularis

LSC is a severely pruritic chronic disorder characterised by 1 or more lichenised plaques. Most common sites of involvement are the scalp, nape of neck, extensor aspects of extremities and anogenital regions. 

Causes:

LSC is induced by rubbing and scratching the body secondary to itch. Environmental factors like heat, sweat, irritation may also aggravate the condition. Patients with emotional lability or tension are more prone to develop this condition.

Clinical Features:

Severe itching is the hallmark of lichen simplex chronicus. Itching may be paroxysmal, sporadic or chronic. It may be conscious and to the point of replacing the sensation of itch with pain or may be unconscious occurring during sleep.

The frequent rubbing leads to development of lichenified scaly plaques. The most common sites of involvement are the nape of neck, scalp, ankles, extensor aspects of extremities and the anogenital regions. The scrotum is the common site of involvement in men. The nodules may vary in size from 0.5 mm to 3 mm.

Treatment:

Treatment is aimed at interrupting the itch scratch cycle. Systemic causes of itch should be identified and addressed. Potent topical steroids are generally prescribed to control itch. Anti histaminics like hydroxyzine or levocetrizine can also be given. Capsaicin, calcipotriol, cryotherapy have been used in the treatment of prurigo nodularis. PUVA therapy has also known to show some benefit.

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Hives (Urticaria)!

Hives (Urticaria)!

 

Hives (urticaria), also known as welts, is a common skin condition with itchy, pink to red bumps that appear and disappear anywhere on the body. An individual lesion of hives typically lasts a few hours before fading away, and new hives can appear as older areas disappear.

Hives can be triggered by many things, including:

  • Medications
  • Infections with viruses, bacteria, or fungi
  • Environmental allergies such as insect bites, pollen, mold, or animal dander
  • Physical exposures such as heat, cold, water, sunlight, or pressure
  • A medical condition such as gland diseases, blood diseases, or cancer
  • Food allergies, such as strawberries, eggs, nuts, or shellfish
  • Stress.

Signs and Symptoms-

  • Hives can affect any skin surface.
  • Hives are usually an itchy rash that can also burn or sting

Self-Care Guidelines-

If you are experiencing mild hives, you might

  • Take cool showers
  • Apply cool compresses
  • Wear loose-fitting clothes
  • Avoid strenuous activity
  • Use an over-the-counter antihistamine such as diphenhydramine or loratadine

When to Seek Medical Care-

If your child's hives make it difficult to breathe or swallow or if your child feels lightheaded, call an ambulance.
In other, non-urgent, situations, see your doctor if the hives do not improve with treatment or if they continue to appear for more than a few days.

Treatments Your Physician May Prescribe-

After confirming that you have hives, the doctor will work with you to discover the possible cause. The doctor will take a detailed medical history and may do blood tests, urine tests, or X-rays.
Obviously, the best treatment for hives is to discover any triggers and stop your exposure to them. However, most people with hives do not know the cause, and they require medications to get rid of the hives.

The most common medications for hives include:

In rare situations, the doctor might prescribe a short course of oral corticosteroid pills.

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