Disclaimer: This article provides general information and is not legal advice. If you are considering legal action, you should consult with a qualified legal professional.

Ready to take the next step? Order an STD Test Online.

Getting an STI diagnosis is a life-altering event. Beyond physical symptoms and medical treatment, many people feel profound betrayal, anger, and trauma. If the diagnosis comes from a partner who was dishonest, a difficult question often arises: Can you sue someone for giving you an STI?

The answer isn’t simple. The legal landscape around sexual health and accountability is complex. In the United States, it is possible to take legal action against a partner for transmitting an STI. However, it requires meeting specific legal burdens of proof. It’s not just about contracting an infection. It’s about the other person’s intent, knowledge, and negligence.

Legally, suing a partner for an STI usually falls under “tort law.” A tort is a civil wrong. It causes harm to another person. This creates legal liability for the person who committed the act. To win a lawsuit, you must prove two things: the defendant owed you a “duty of care,” and they breached that duty.

Plaintiffs can use several different legal theories. A lawyer might pursue claims of negligence, battery, or fraud. This depends on the encounter’s circumstances and the partner’s behavior.

Negligence and the Duty of Care

Negligence is the most common basis for an STI-related lawsuit. Legally, negligence happens when someone fails to act as a reasonable person would in similar circumstances.

In sexual health, the “duty of care” means disclosing known infectious statuses to partners. If a person knows they have a communicable disease like HIV, syphilis, or gonorrhea and doesn’t tell their partner, they may breach this duty. A lawsuit would argue their failure to disclose directly caused your infection and subsequent harm.

Intentional Torts: Battery and Fraud

In more extreme cases, the legal argument moves to intentional torts. This applies when harm results from a deliberate act of deception or physical violation, not just carelessness.

Battery means intentional, harmful, or offensive contact without consent. A court might see this as battery or “fraud in the inducement.” This applies if someone uses deception—like lying about test results or using a fake identity—to get sexual consent. Your consent was based on false information. This makes the encounter fundamentally non-consensual legally.

Proving Your Case: Key Elements if You Sue Someone for an STI

Winning an STI lawsuit is notoriously difficult. It requires a high standard of evidence. You cannot just show a positive test result and assume your partner is the source. To succeed, a plaintiff generally needs to prove three specific elements.

1. Proof of Knowledge (Scienter)

The biggest hurdle when asking can you sue someone for giving you an STI is proving what the defendant knew. You must show the person knew their positive status at the time of the encounter.

If a person was recently infected but hadn’t been tested or shown symptoms, it’s harder to hold them liable for negligence. Without proof of knowledge, there’s no breach of duty. Documentation can be vital. This includes previous medical records, text messages discussing a diagnosis, or even social media posts.

2. Proof of Transmission (Causation)

Causation links the defendant’s actions to your injury. You must prove the defendant was the actual source of the infection. This is a very difficult part of an STI lawsuit. Many STIs can be asymptomatic for extended periods.

A defendant might argue you got the infection elsewhere. This could be from a different partner, an older encounter, or even non-sexual means (though rare for most STIs). To establish causation, medical experts may provide evidence. This could include analysis of the infection’s characteristics. This helps link the defendant to your diagnosis.

3. Proof of Damages

Finally, you must prove the infection caused you actual harm. In a civil lawsuit, you seek “damages.” This is monetary compensation for your losses. Damages fall into economic and non-economic losses.

If a court finds a defendant liable, compensation is awarded. This is meant to address the plaintiff’s losses. Money cannot erase the trauma of an STI diagnosis. However, it covers the tangible and intangible costs of the infection.

Economic Damages

Economic damages are measurable, out-of-pocket expenses. They are caused by the infection. These are often straightforward to calculate. They include:

  • Medical Expenses: Costs for testing, doctor visits, prescriptions, and long-term treatment.
  • Lost Wages: Income lost if symptoms or emotional distress caused you to miss work.
  • Future Medical Costs: For chronic conditions like HIV, this includes the lifetime cost of antiretroviral therapy (ART) and regular healthcare.

Non-Economic Damages

Non-economic damages are subjective. They are harder to quantify. These address the human impact of the STI transmission.

  • Pain and Suffering: Physical discomfort, pain, and symptoms experienced during the illness.
  • Emotional Distress: Psychological impact, including anxiety, depression, PTSD, or social stigma from an STI diagnosis.
  • Loss of Consortium: If an STI affects a person’s ability to maintain a healthy relationship or marriage, they may seek damages for lost companionship and intimacy. This applies in some jurisdictions.

Common Defenses in STI Litigation

Defendants often use several legal strategies to avoid liability. Understanding these defenses helps plaintiffs prepare for the challenges involved.

Contributory or Comparative Negligence

The defendant may argue the plaintiff was also responsible for their infection. They might claim the plaintiff failed to ask about sexual health or use protection. In some states, if the plaintiff is partly at fault, their ability to recover damages may be reduced or eliminated.

The Lack of Evidence Defense

As noted, the defense often focuses on the time gap between the encounter and diagnosis. If weeks or months pass, the defense will argue the plaintiff cannot definitively prove the defendant was the source.

Statute of Limitations

Every state has a “statute of limitations.” This is a strict deadline for filing a lawsuit. If a person waits too long after diagnosis to take legal action, they may be legally barred from court. This is true even with strong evidence.

The Importance of Documentation and Evidence

If considering legal action, your case’s strength depends entirely on your evidence. These cases rely heavily on proving “intent” and “knowledge.” Digital and medical records are crucial.

Lawyers often seek a “paper trail.” This includes:

  • Communication Records: Text messages, emails, or DMs where the partner discusses their health, tests, or boasts about having an STI.
  • Medical Records: Documentation of initial testing, results, and medical notes on symptom timeline.
  • Witness Testimony: Statements from those who overheard the defendant discussing their status or witnessed relevant behavior.

Conclusion

Navigating the aftermath of an STI diagnosis is a heavy burden. The emotional weight is immense. The legal question of can you sue someone for giving you an STI remains vital for many seeking justice. The legal path has hurdles, especially proving knowledge and causation. However, the law provides avenues to hold individuals accountable for negligence and deception.

If you believe you’ve been a victim of non-disclosure or intentional harm, consult a legal professional. Look for someone specializing in personal injury or medical malpractice. Prioritize your physical health and secure all relevant medical documentation. This is essential. A lawsuit may not undo the physical impact of an infection. However, it can help you seek accountability for the breach of trust and harm caused.