## **Core Concept**
Pompholyx, also known as dyshidrotic eczema, is a skin condition characterized by small, itchy blisters on the hands and feet. It is a type of eczema that affects the **palmar** and **plantar** surfaces.

## **Why the Correct Answer is Right**
The correct answer, , is right because pompholyx predominantly affects the **palms** and **soles**. This condition is known for causing small, deep-seated blisters on these areas, which can be very itchy and sometimes painful. The blisters may eventually dry out and peel.

## **Why Each Wrong Option is Incorrect**
* **Option A:** - This option is incorrect because pompholyx primarily affects the palms and soles, not the face.
* **Option B:** - This option is incorrect as pompholyx is not typically associated with the scalp but rather with the hands and feet.
* **Option C:** - Although pompholyx can sometimes involve the sides of the fingers and toes, saying it affects the "limbs" is too broad and nonspecific; the condition is more specifically associated with the palmar and plantar surfaces.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that pompholyx often has a **recurrent course**, with episodes of blistering followed by periods of remission. Stress, exposure to certain metals (like nickel or cobalt), and sweating can trigger or exacerbate the condition.

## **Correct Answer:** . palms and soles