STIs & How to Prevent Them

For Everyone

What to know

Sexual health is an essential piece of overall health. People who have vaginal, anal, or oral sex can get a sexually transmitted infection (STI). This list of resources has information on STIs, STI testing, and how to protect yourself and your partner(s).

Photo of condoms

Links

CDC Fact Sheets – Available in disease-specific versions these basic fact sheets answer common questions about STIs. Many are offered in English and Spanish.

CDC Prevention Page – Information about STI prevention, testing, and resources.

How to Use a Condom – An illustrated page demonstrating the correct way to put on and take off a male (external) condom.

How to Use an Internal Condom – An illustrated page demonstrating the correct way to insert and remove a female (internal) condom.

How to Use a Dental Dam as a Barrier for Oral Sex – An illustrated page demonstrating how to use a dental dam, as well as a list of dos and don'ts and how to make a dental dam from a condom.

GetTested – A national STI, HIV, and hepatitis testing locator to find nearby free or low-cost testing.

Doxy PEP for Bacterial STI Prevention – A fact sheet about how taking an antibiotic within 72 hours after sex can help some people reduce their chances of getting an STI.

The Lowdown on How to Prevent STDs – An infographic with basic information about prevention in an easy-to-read format.

Five Action Steps to Good Sexual Health – A practical roadmap to good sexual health, including tips and advice, real-life scenarios, conversation starters and more.

HIV Risk Reduction Tool – Use this tool to access tailored information about your risk of getting or transmitting HIV, and how you can reduce your risk.

Content Source
About Division of STD Prevention
About This Page
Published: March 13, 2025
Updated: March 17, 2026

This page was last updated on this date. Updates may include minor edits, image changes, or other modifications to page content.

Reviewed: March 17, 2026

The information on this page was last reviewed by subject matter experts to ensure accuracy.