Quick Answer
No, a yeast infection is not an STI. Candida fungus is part of normal body flora and overgrows due to pH changes, antibiotics, or immune factors.
- Not an STI: fungal overgrowth.
- Treatment: OTC antifungals or fluconazole.
- Triggered by: antibiotics, pregnancy, diabetes.
- Partners do not need treatment.
Context Most Pages Skip
Yeast infections are common but not sexually transmitted.
⚕️ 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.