MCQ – 98123

1. Suppurative lymphadenitis
2. Guillain-Barré syndrome
3. Osteitis
4. Disseminated infection

Correct Answer » C Explanation

1. Suppurative lymphadenitis — Correct

• A recognized rare complication of BCG vaccination.
• Usually involves the regional lymph nodes.
• May progress to suppuration and sinus formation.

2. Guillain–Barré syndrome — Incorrect

• Guillain–Barré syndrome is not a characteristic adverse reaction of BCG.
• It is classically associated with influenza vaccination in vaccine-related MCQs.

3. Osteitis/osteomyelitis — Correct

• BCG can rarely cause osteitis or osteomyelitis.
• It is caused by infection with the attenuated Mycobacterium bovis strain used in BCG.

4. Disseminated BCG infection — Correct

• A rare but serious complication.
• It may occur particularly in patients with underlying immunodeficiency.
• It represents widespread infection with the BCG strain.