Decisions regarding disclosure of HIV status to a sex partner without the patient's consent should be based on the following: Possibility of intimate partner violence to the patient after disclosure to the partner Likelihood that the partner is at risk Whether the partner has reasonable cause to suspect the risk and to take precautions Presence of a legal requirement to withhold or disclose such information Pre-exposure prophylaxis (PrEP) PrEP is the use of ARV medications by people who are not infected with HIV but who are at high risk of becoming infected (eg, by having a sex partner with HIV infection).