Most common symptom of Henoch Schnolein purpura Is ?
**Core Concept:** Henoch-Schönlein Purpura (HSP) is a small-vessel vasculitis that primarily affects children and young adults. It is characterized by the four "H's": Hematuria, Hepatosplenomegaly, Hemorrhagic Vasculitis, and Hepatitis.
**Why the Correct Answer is Right:** The correct answer is **D:** **Hemorrhagic Purpura**. This is because the primary symptom of Henoch-Schönlein Purpura is the characteristic skin rash, which is a result of petechiae (small, red, pinpoint bruises) caused by the vasculitis affecting small blood vessels in the skin.
**Why Each Wrong Option is Incorrect:**
A. **Hepatosplenomegaly**: This refers to the enlargement of the liver and spleen, which is a feature of HSP but not the most common symptom.
B. **Hematuria**: Hematuria is the presence of blood in the urine, which is another common symptom of HSP but not the most common symptom.
C. **Hepatitis**: Hepatitis is inflammation of the liver, which is a feature of HSP but not the most common symptom.
**Why the Correct Answer is Right:** The most common symptom of Henoch-Schönlein Purpura is **Hemorrhagic Purpura**, as it is the first sign that leads to the diagnosis of HSP. This symptom is caused by the vasculitis affecting small blood vessels in the skin, leading to the formation of pinpoint bruises (petechiae) that appear as a red, purple, or purplish rash. This is the most common initial symptom and is indicative of the disease.
**Why Each Wrong Option is Incorrect:**
A. **Hepatosplenomegaly** and **Hematuria** are common symptoms of Henoch-Schönlein Purpura, but they are not the most common initial symptom that leads to diagnosis.
B. **Hepatitis** is an inflammation of the liver, which is a feature of HSP but not the most common symptom.
**Clinical Pearl:**
In cases of suspected Henoch-Schönlein Purpura, it is essential to assess for the presence of the most common initial symptom, **Hemorrhagic Purpura**, as it helps in making the diagnosis. Along with other associated symptoms and signs like abdominal pain, arthritis, and renal involvement, this will help in diagnosing the disease accurately and initiating appropriate treatment.