Injection site abscess
pain, abscess
ADVERSE REACTIONS, INFECTIOUS DISEASES, LYMPHADENOPATHY, ABSCESS, ABSCESSES
The median time of onset was 20 days (IQR 9–26), with a median diameter of 2.0 cm (IQR 2.0–2.5) (Clinical features of BCG local adverse reactions (abscess and lymphadenopathy).Abbreviations: FNA, fine needle aspiration; nr, not reported.*Two participants took opioid analgesia for axillary pain associated with lymphadenopathy; one took codeine for two days and the other buprenorphine for four days following an emergency department presentation for the axillary pain.Categorical variables are reported as number (%), continuous variables are reported as median (range).The safety medical doctors recommended a conservative approach for all abscesses, except in two participants who were referred to an Infectious Diseases specialist due to persistent large abscesses (average size 4.3 cm diameter) and subsequently received 3 months of isoniazid. Nine other participants sought advice from external providers, who prescribed antimicrobial treatment, including three who additionally underwent fine needle aspiration and one who had surgical excision of the injection site. The other 44/55 (80%) of injection site abscesses resolved spontaneously without treatment, in a median time of 27 days (IQR 10–45).