Question
Identify the image specimen which leads to blister and Priapism.
| A. |
Green bottle fly |
| B. |
Blue Bottle Fly |
| C. |
Spanish Fly |
| D. |
Domestic Fly |
Show Answer
|
Correct Answer � C Explanation |
 |
Ans.C. Spanish Fly (Cantharis vesicatoria or Blister Beetle)
- The active principle is a highly irritant substance called cantharidin. The active principle is insoluble in water and soluble in alcohol, fats, ether and chloroform. Cantharismay be administered in the form of powdered beetles, or the tincture, or the active principle.
- On external application, it causes a blister or vesicle. Therefore, the Spanish fly is also known as blister beetle or cantharis vesicatoria.
- On internal administration, it causes severe inflammation of the gastrointestinal and genito-urinary tract. There is burning sensation in the throat and stomach, difficulty in swallowing, nausea, abdominal pain, vomiting of blood stained material and diarrhoea with blood and mucus.