trimethoprim+sulfamethoxazole

avoid if infant has glucose-6-phosphate dehydrogenase (G6PD) deficiency

use with caution if infant is less than 1 month old, or is premature, ill or jaundiced - may increase risk of haemolysis, bilirubin displacement and kernicterus. Monitor infant for diarrhoea, vomiting, rash and candidiasis (thrush)

compatible if infant is older than 1 month and healthy - monitor infant for diarrhoea, vomiting, rash and candidiasis (thrush)