## **Core Concept**
A prepharyngeal abscess is a serious infection located in the space anterior to the pharynx, which can lead to significant morbidity if not managed properly. When such an abscess is diagnosed as tuberculous in origin, the management involves both treating the infection and addressing the underlying cause, which is tuberculosis (TB) in this case. The patient's difficulty in deglutition (swallowing) indicates potential airway compromise.

## **Why the Correct Answer is Right**
The correct management of a prepharyngeal abscess diagnosed as tuberculous would involve **anti-tubercular therapy** as the primary treatment to address the underlying TB infection. This approach is crucial because simply draining the abscess without treating the TB may lead to recurrence or persistence of the infection. Anti-tubercular therapy targets the causative agent of TB, *Mycobacterium tuberculosis*, and helps in resolving the infection.

## **Why Each Wrong Option is Incorrect**
- **Option A:** This option is not provided, but typically, if it suggested only surgical drainage without addressing the TB, it would be incorrect because it doesn't treat the underlying cause.
- **Option B:** Similarly, without specifics, if this option implied a treatment not directly addressing TB or the abscess appropriately, it would be incorrect.
- **Option D:** If this option suggested a treatment that does not include anti-tubercular therapy or appropriate management of the abscess, it would be incorrect.

## **Clinical Pearl / High-Yield Fact**
A key point to remember is that when dealing with infections like prepharyngeal abscesses, especially those with a tuberculous etiology, **early diagnosis and appropriate treatment** are critical to prevent complications such as airway obstruction, mediastinitis, or sepsis. The management often requires a multidisciplinary approach, including otolaryngology for airway management and infectious disease specialists for anti-tubercular therapy.

## **Correct Answer:** . Anti-tubercular therapy.