A condom is a thin covering that fits over the penis. It catches semen that comes out of your penis during sex. Rubber (latex) or polyurethane condoms help protect you from HIV and other sexually transmitted infections (STIs). They can also help prevent pregnancy.
Here's how to use it: Open the condom wrapper and place the condom on the tip of the penis. Squeeze the tip of the condom to remove air and create a space to collect semen after ejaculation. Roll the condom down to the base of the penis.
In addition:
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If you use a lubricant, make sure it’s water based. Don’t use petroleum jelly, oil, or hand cream. They can make the condom break.
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Use a new condom every time you have sex.
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You can buy condoms in a drugstore or supermarket. Keep them wrapped until you use them.
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To prevent pregnancy, condoms work best if you use them with spermicide, also available in the drugstore or supermarket.
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Keep condoms on hand. Store them in a cool place. Don’t keep them in your wallet or in your car.
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Online Medical Reviewer: Donna Freeborn PhD CNM FNP
Online Medical Reviewer: Heather Trevino
Online Medical Reviewer: Irina Burd MD PhD
Date Last Reviewed: 09/01/2025
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