Skin sores become skin ulcers during

Options

A. African sleeping sickness
B. Amoebic dysentery
C. Kala - azar fever
D. Chaga's disease

Answer

To solve the question "Skin sores become skin ulcers during," we need to analyze the options provided in the context of diseases that cause skin sores and ulcers.

### Step-by-Step Solution:

1. **Understanding Skin Sores and Ulcers**:
- Skin sores are lesions that can form on the skin, often as a result of infections or other medical conditions.
- Skin ulcers are deeper lesions that occur when skin sores become more severe, often involving the loss of skin layers and underlying tissue.

2. **Identifying the Diseases**:
- The question lists several diseases: African sleeping sickness, Amoebic Dysentery, Kala Azar fever, and Chagas disease. We need to determine which of these diseases is associated with the transformation of skin sores into ulcers.

3. **Analyzing Each Disease**:
- **African Sleeping Sickness**: Caused by the Trypanosoma parasite. It primarily affects the nervous system and causes symptoms like drowsiness and weakness, but it is not known for causing skin ulcers.
- **Amoebic Dysentery**: Caused by the Intamoeba parasite. This disease affects the intestines and causes dysentery, not skin sores or ulcers.
- **Kala Azar Fever**: Caused by the Leishmania parasite. This disease is known to cause skin lesions that can progress to ulcers. It is a significant concern in terms of skin health.
- **Chagas Disease**: Also caused by the Trypanosoma parasite. While it can cause inflammation and other systemic issues, it does not specifically lead to skin ulcers.

4. **Conclusion**:
- The disease that is directly associated with skin sores becoming skin ulcers is **Kala Azar fever**. This is the correct answer.

### Final Answer:
Skin sores become skin ulcers during **Kala Azar fever**.