Nonoxynol-9 does not protect against HIV.
D016907:Adverse Drug Reaction Reporting Systems; D004348:Drug Labeling; D005260:Female; D015658:HIV Infections / Q000517:prevention & control* / Q000635:transmission; D015497:HIV-1; D006801:Humans; D020407:Internet; D008297:Male; D017137:Nonoxynol / Q000009:adverse effects / Q000627:therapeutic use*; D012749:Sexually Transmitted Diseases / Q000517:prevention & control / Q000635:transmission; D013089:Spermatocidal Agents / Q000009:adverse effects / Q000627:therapeutic use*; D014481:United States; D014486:United States Food and Drug Administration
D013089:Spermatocidal Agents; D017137:Nonoxynol