One particular drug called cotrimoxazole (also known as septra, bactrim and TMP-SMX) is effective at preventing a number of opportunistic infections.

• 有一种特殊的药物，复方新诺明（也称为磺胺甲基异恶唑，复方增效磺胺和TMP - SMX）可以有效预防机会感染。