Skip to main content

Sexually transmitted infections STIs

Speak To An Expert

Get clear, personalised advice for your situation.

Jot down a few questions to make the most of your conversation.


Understanding Sexually Transmitted Infections (STIs)

Sexually transmitted infections (STIs) are infections that are primarily spread through sexual contact. They are caused by bacteria, viruses, or parasites. This guide aims to provide a comprehensive overview of STIs, including their prevention and treatment, specifically for readers in the United Kingdom.

Common Types of STIs

Several STIs are prevalent in the UK, and understanding their nature is crucial for prevention and management. Common bacterial STIs include chlamydia, gonorrhea, and syphilis. Viral STIs include human immunodeficiency virus (HIV), human papillomavirus (HPV), and herpes simplex virus (HSV). Parasitic infections such as trichomoniasis also fall under the STI category.

Symptoms and Diagnosis

STI symptoms can vary significantly, and some people may not display any symptoms at all. Common symptoms include unusual discharge from the genitals, pain during urination, and sores or warts around the genital area. Regular screening and early diagnosis play a vital role in managing STIs effectively. The NHS provides various testing options, including confidential clinics and home testing kits.

Prevention and Safe Practices

Prevention is key to minimizing the risk of STIs. Using condoms consistently and correctly during sexual activities significantly reduces the risk of infection. Limiting the number of sexual partners and ensuring mutual monogamy with an uninfected partner can also lessen exposure. Vaccines are available for certain STIs, such as HPV and hepatitis B, and their uptake is encouraged.

Treatment and Management

Most bacterial STIs can be effectively treated with antibiotics, though it is essential to complete the course of medication as prescribed. Viral STIs may not be curable, but antiviral medications can help manage symptoms and reduce transmission risk. It is critical for individuals diagnosed with an STI to inform their sexual partners so they can also be tested and treated if necessary.

Support and Resources

The UK has numerous resources available for those seeking information or support regarding STIs. Websites such as the NHS and sexual health charities provide detailed guidance on testing, treatment options, and finding local sexual health clinics. Confidential helplines and counseling services are also available to offer advice and support.

Understanding Sexually Transmitted Infections (STIs)

Sexually Transmitted Infections, also known as STIs, are infections you can catch from sexual contact. They come from germs like bacteria, viruses, or tiny bugs called parasites. This guide will help you understand STIs, how to prevent them, and how to treat them, especially if you live in the UK.

Common Types of STIs

There are different STIs that people in the UK can get. It is important to know about them so you can stay safe. Some STIs are caused by bacteria. These include chlamydia, gonorrhea, and syphilis. Others are caused by viruses. These include HIV, HPV, and herpes. There is also a parasitic infection called trichomoniasis that is an STI.

Symptoms and Diagnosis

STIs can have different symptoms. Some people may not feel sick at all. Common signs include strange discharge from private parts, pain when peeing, and sores or bumps near private parts. It is important to get checked out by a doctor to know if you have an STI. The NHS offers different ways to get tested, like going to a clinic or using a home testing kit.

Prevention and Safe Practices

The best way to avoid STIs is to take care. Use condoms every time you have sex. Condoms help to stop STIs from spreading. Having fewer sex partners and being in a trusted relationship with one partner also helps. You can get vaccines to protect against some STIs, like HPV and hepatitis B. Getting these vaccines is a good idea.

Treatment and Management

If you have a bacterial STI, antibiotics can cure it. It is important to take all the medicine your doctor gives you. For viral STIs, medicines can help you feel better and stop you from passing it on to other people, but they may not cure it completely. If you find out you have an STI, tell your sex partners so they can get checked and treated too.

Support and Resources

If you need help or information about STIs, the UK has many places to assist you. Websites like the NHS and sexual health organizations offer lots of information. They can guide you on where to get tested or treated. You can also call confidential helplines and talk to someone about your concerns. They are there to help you.

Frequently Asked Questions

STIs are infections that are spread primarily through sexual contact. They can be caused by bacteria, viruses, or parasites, and common examples include chlamydia, gonorrhoea, and herpes.

The only way to definitively know if you have an STI is by getting tested. Some STIs have symptoms, but many people with an STI may not notice any symptoms at all.

You can get tested at sexual health clinics, some GP surgeries, and private clinics in the UK. Many places offer free and confidential STI testing.

Yes, STI tests are free through the NHS at sexual health clinics and some GP practices.

Some STIs, such as chlamydia and gonorrhoea, can be cured with antibiotics. Others, like herpes and HIV, cannot be cured but their symptoms can be managed with medication.

The best way to prevent STIs is by using protection, such as condoms, during sexual activity and by having regular STI screenings if you're sexually active.

Symptoms vary by infection. Chlamydia and gonorrhoea might cause pain during urination or unusual discharge. Herpes can cause painful blisters or sores. HPV often has no symptoms but can lead to genital warts.

Yes, many STIs, including herpes and gonorrhoea, can be transmitted through oral sex.

It's recommended to get tested regularly if you're sexually active, especially when you have a new partner or multiple partners. Yearly testing is often a good standard for many people.

Yes, untreated STIs like chlamydia and gonorrhoea can lead to infertility in both men and women.

Follow the treatment plan provided by your healthcare provider, inform your sexual partner(s), and avoid sexual contact until the infection is fully treated.

Yes, many STIs can be asymptomatic, meaning you might not have any noticeable symptoms but can still spread the infection.

Yes, home testing kits for some STIs are available in the UK, either from the NHS or online. These kits are typically used for common STIs like chlamydia and gonorrhoea.

Yes, HIV testing often requires a blood sample, whereas other STI tests might use urine or swabs. HIV testing can be done separately from regular STI screenings.

Most STIs are not transmitted through non-sexual contact. However, some, like HPV, can be spread through skin-to-skin contact, and others, like HIV, can be spread through sharing needles.

STIs are germs you can catch when you have sex. They can come from tiny living things like bacteria, viruses, or parasites. Some common STIs are chlamydia, gonorrhea, and herpes.

The only way to know for sure if you have an STI is to get a test. Some STIs can make you feel sick, but many times, people don’t notice anything is wrong.

You can have a test at special health clinics for sexual health, some GP doctor's offices, and private clinics in the UK. A lot of places do tests for free and keep it secret.

Yes, you can get free STI tests from the NHS at places like sexual health clinics and some doctor’s offices.

Some illnesses you can get from not being safe when having sex can be fixed with medicine. These are called chlamydia and gonorrhoea. You can feel better after taking medicine called antibiotics. Other illnesses, like herpes and HIV, can't be fixed forever, but you can take medicine to help you feel better and stop the symptoms from getting worse.

If you find reading hard, you can ask someone to read this with you. It's okay to ask for help!

The best way to stay safe from STIs is to use protection like condoms when you have sex. It also helps to get checked for STIs often if you are having sex.

When people have these infections, they might feel different. For Chlamydia and gonorrhoea, it can hurt to pee, or there might be unusual stuff coming out. Herpes can give painful blisters or sores. HPV usually doesn't show signs, but it can make warts on private parts.

Yes, you can get many types of infections, like herpes and gonorrhoea, from oral sex.

If you have sex, it is a good idea to get tested often. This is very important if you have a new boyfriend or girlfriend, or if you have more than one partner. Many people find it helpful to get tested once a year.

Yes, if you don't treat some STIs like chlamydia and gonorrhea, they can make it hard for men and women to have babies.

Listen to your doctor and follow their plan to get better. Tell your sexual partner(s) about the infection. Do not have sex until you are completely better.

Yes, some STIs (which are infections you can get from sex) don't show signs. This means you might feel okay but can still give the infection to others.

Yes, you can get test kits for some infections at home in the UK. You can get them from the NHS or online. These test kits check for common infections like chlamydia and gonorrhoea.

Yes, to test for HIV, a doctor usually needs a little bit of your blood. Other tests for different infections might use pee or a cotton swab instead. You can get tested for HIV by itself, not just when you get other tests for infections.

Most diseases from sex don't spread by touching. But some can. For example, HPV can spread when skin touches skin. HIV can spread if people share needles.

Useful Links

Important Information On Using This Service


This website offers general information and is not a substitute for professional advice. Always seek guidance from qualified professionals. If you have any medical concerns or need urgent help, contact a healthcare professional or emergency services immediately.

Some of this content was generated with AI assistance. We've done our best to keep it accurate, helpful, and human-friendly.

  • Ergsy carefully checks the information in the videos we provide here.
  • Videos shown by Youtube after a video has completed, have NOT been reviewed by ERGSY.
  • To view, click the arrow in centre of video.
Using Subtitles and Closed Captions
  • Most of the videos you find here will have subtitles and/or closed captions available.
  • You may need to turn these on, and choose your preferred language.
Turn Captions On or Off
  • Go to the video you'd like to watch.
  • If closed captions (CC) are available, settings will be visible on the bottom right of the video player.
  • To turn on Captions, click settings.
  • To turn off Captions, click settings again.