Condoms Cannot Always Prevent These STIs

STIs which are not prevented by condoms

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Updated Dec 5, 2024 | 09:00 PM IST

SummaryCondoms are essential for safe sex, but they're not foolproof against STIs. Learn how skin-to-skin contact, improper use, or poor storage can increase risks—and how to stay protected effectively.
Safe sex is always better than unprotected sex. The reason? It helps you prevent unwanted pregnancy and also protects you from sexually transmitted diseases or infections (STDs or STIs). However, not always can a condom protect you against it too. The truth be told, no matter how difficult it may be to digest, is that condoms are not full-proof in preventing STIs.
Although the acronyms STIs and STDs stand for different things, might also mean the different thing, depending on the gravity, they can be used interchangeably. So, could they be prevented by a condom?

What condoms are we talking about?

There are two types of condoms: external and internal.
External condoms cover the shaft of a penis or a dildo, whereas the internal condoms line the internal vaginal or anal canal.
External condoms are made of latex, polyurethane or polyisoprene. These are external condoms which are made of lambskin, which contains porous holes that semen cannot fit through, but sexually transmitted infectious particles can.

So how could a transmission happen?

When used perfectly, condoms are 98% effective, the missing 2% is the leak that could happen if the condoms rip or break. However, experts provide that STI can also spread through skin-to-skin contact. This is when viral particles on a part of body that is not covered by condom gets in touch with another person's body or skin. This happens because condoms do not cover all the genital skin.

What are the STIs that can spread from Skin-to-skin contact?

  • HPV
  • Herpes Simplex Virus (HSV)
  • Trichomoniasis
  • Syphilis
  • Molluscum Contagiosum
These are the STIs which can spread through skin-to-skin contact that create visible lesions or warts, but there are also STIs which spread through skin-to-skin contact that are inviable to the person who has it, and their intimate partners.

So, how can you ensure that you are protected?

Experts suggest to regularise screening for STIs. You can also buy a condom that fits. A loose condoms are more likely to slip off, while a tight condom is more likely to break. Experts recommend going to a local shop to buy variety of condoms
It is also important to store them correctly. Many people store condoms in a wallet, but it is not the correct way to keep. It creates too much friction and heat. The best place to keep the condom is to put in a box in a drawer.
It is also important check the expiration date. If the condom expires, it will more likely break.
The timing of when the condom is being put on also matters. Condom needs to be put on before any penetration or bumping starts. STIs can be transmitted even during outercourse, grinding, scissoring. It can also happen during oral sex, which is why dental damns are recommended to use. This is because transmission is possible if there has been any kind of genital-to-genital contact or fluid exchange, and it enters the other person's body.
Furthermore, to roll the condom right and to ensure that there is a little space at top is kept is also important. The little space at the tip of the condom is where the ejaculation goes. If the space is not given, then the chances are that the condom might tear.
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