Nature of reaction | BCG | MWV | PPD |
Mild | Papule at the injected site (2 - 4 weeks) Ulceration (1 - 2 months) | Papule at the injected site, Induration, ulceration, scar formation. | Redness, |
| Scar (2 - 5 months) |
| Induration 48 - 72 hr |
Severe
| Local; abscess, keloid, suppuration 2 - 6 months. | Local; abscess, adenitis | Local; lymphadenitis Systemic; anaphylactic reaction, foreign body reaction |
| Systemic; Cutaneous lesions, osteitis, disseminated BCG, immune reconstitution syndrome | Systemic; fever 2 days after intradermal injection, Pain and paraesthesia distal to the injected site lasting for one week |
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