Reviewed & updated August 23, 2026

Can You Go to Jail for Giving Someone an STD?

Quick answer

Possibly — several US states criminalize knowingly exposing or infecting partners without disclosure, with HIV-specific laws in dozens of states (penalties from misdemeanors to felony years) and a few extending to other STIs. Prosecutors must typically prove you KNEW your status and concealed it. Treated, disclosed, accidental transmission scenarios almost never reach criminal court; concealment-plus-knowledge cases occasionally do.

The criminal-law landscape

Law typeCoverageTypical exposure
HIV-specific statutesDozens of states criminalize nondisclosed exposure/spitting/biting etc.Felony potential; some states modernizing post-U=U science
General STI statutesA handful of states cover other communicable STIsMisdemeanor-to-felony depending
Battery/assault frameworksKnowing-concealment charged as assault in some jurisdictionsCase-by-case prosecutorial discretion
No specific statuteCivil remedies only (suing instead)Lawsuits rather than charges

The trendline matters: reform movements keep shrinking HIV-specific criminalization as U=U science renders blanket exposure laws medically obsolete — but the remaining map stays patchwork and state-specific.

What turns transmission into a crime

  1. Known status: documented positive diagnosis before the encounter — the element that separates crimes from accidents.
  2. Nondisclosure or deception: explicit lies ('I'm clean') strengthen everything.
  3. Risky conduct despite status: condomless sex without warning, in statute-relevant ways.
  4. Sometimes transmission itself, sometimes mere exposure — definitions vary maddeningly by state.

The mirror-image reassurance: if YOU were exposed by someone who knew their status and hid it, these same statutes form your potential recourse alongside civil claims (civil pathway here). Documentation again decides outcomes.

This page explains general patterns — your state's current statute controls actual liability, and legal disclaimers apply site-wide.

Staying on the safe side of these lines

Related stakes pages: health consequences ranked, another disclosure-heavy context.

Frequently asked questions

Can you go to jail for giving someone an STD?
In some states yes — knowing nondisclosed exposure carries criminal penalties, most commonly for HIV. Accidental unknowing transmission generally doesn't.
Is not telling someone you have herpes illegal?
State-dependent: civil liability is widespread, criminal exposure rarer but real where statutes reach beyond HIV.
What's the penalty for knowingly spreading HIV?
Ranges widely — misdemeanor to multi-year felonies depending on state, conduct and outcome. Several states have reformed toward science-based standards.
What if I didn't know I had it?
Lack of knowledge defeats the criminal element almost everywhere — which is exactly why routine testing protects you legally AND medically.

Sources & further reading