Quick Answer
No, a UTI (urinary tract infection) is not an STI. It is usually caused by E. coli bacteria entering the urethra, often triggered by sexual activity but not sexually transmitted.
- UTIs are caused by E. coli from the GI tract.
- Sexual activity is a common trigger, not a cause.
- UTIs are not contagious.
- Treatment: antibiotics, hydration.
Context Most Pages Skip
UTIs share symptoms with STIs but are completely different conditions.
⚕️ This page is educational and does not replace advice from a licensed clinician. If you may have been exposed to an STI, get tested — most infections are manageable, and many are fully curable.
Sources & Further Reading
- CDC — Sexually Transmitted Infections
- CDC STI Treatment Guidelines
- WHO — Sexually transmitted infections fact sheet
- MedlinePlus — Sexually Transmitted Diseases
Figures reflect CDC surveillance and WHO estimates; they are population statistics, not personal risk predictions.