Also called oral herpes, HSV-1 can easily be passed on through kissing. The most notable symptom is a small white or red blister on the mouth or genitals. It may ooze or bleed during an outbreak. Touching or kissing an active cold sore can transmit the virus.
The virus can also be spread when no symptoms are present. HSV-1 may be spread by sharing saliva or items like utensils that have come into contact with the virus, though this is somewhat rare. HSV-1 can also affect the genitals and be spread through oral, genital, or anal sex. Also called genital herpes , this virus is more commonly spread through sexual contact — oral, genital, or anal — than through kissing. But mouth-to-mouth transmission is still possible. For active infections, your doctor may recommend antiviral medications such as acyclovir Zovirax or valacyclovir Valtrex.
Cytomegalovirus CMV is a viral infection that can be passed on through contact with saliva that contains the virus. It can also be transmitted through the following fluids that contain CMV:. Like herpes, CMV can cause symptoms if you have a compromised immune system.
Your doctor may recommend similar treatments to HSV. But syphilis can cause sores in your mouth that can transmit the bacteria to someone else. Visit your doctor right away if you or your partner notices any symptoms of chlamydia. Those conditions include:. Chlamydia is the most commonly reported STI, especially among women under 25 years old. In those with a vagina, untreated chlamydia can spread to the uterus and fallopian tubes.
This can cause permanent damage to the reproductive system. It can lead to difficulty conceiving, infertility, or possibly fatal ectopic pregnancy.
An ectopic pregnancy is a pregnancy that occurs outside the womb. Untreated chlamydia may also increase your risk for contracting HIV. Those with a penis rarely experience health problems related to chlamydia. Sometimes fever and pain can occur if the condition has spread to the tube that carries sperm from the testicles. If you suspect you have chlamydia, your doctor will order lab tests and may ask for a urine sample or vaginal cotton swab. If your test results are positive for chlamydia, your doctor will prescribe antibiotics.
Chlamydia typically goes away within 1 to 2 weeks. You should avoid sex during this time to prevent transmitting the disease. If they prescribe a one-dose pill, you should wait 7 days before having sex again. You should also get tested again 3 months after you were treated for the disease, because repeat chlamydia transmissions are common. The best way to prevent chlamydia is to avoid sex without a condom or other barrier method with someone who has the disease.
Routine testing for chlamydia and other STIs, such as HIV and herpes , is also important for prevention, early detection, and treatment. Genital herpes can be passed on through skin on skin contact with anyone who has active blisters or sores, commonly known as cold sores.
With this in mind, you should avoid kissing or oral sex with anyone who has blisters or sores around their mouth or face. Unfortunately, depending what stage the herpes virus infection is in, it can still be contagious even if no blisters are present. For many people, chlamydia has no symptoms and can go completely undetected until you take a chlamydia STD test. If you suspect that you have chlamydia, you should avoid having sex with anyone until you get your results.
Chlamydia is the most common sexually transmitted infection in the UK with around , new cases reported each year.
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