A sexually transmitted infection STI; formerly called sexually transmitted disease or STD is caused by a virus, parasite, fungus, or bacterium that can be passed from one person to another through intimate or sexual contact. There are nearly 30 STIs in the world. Some can be cured, and some can only be treated by not cured. This section provides important information about the most common STIs. You can get an STI by having unprotected sex, or close sexual contact with an infected person. Unprotected sex means vaginal, anal or oral sex without using a condom.
What’s Causing My Itching After Intercourse, and How Do I Treat It?
Types of sexually transmitted infections - Fraser Health Authority
Some STIs have no symptoms or only mild ones. Small amounts of discharge, especially from the vagina, is often normal. But some sexually transmitted conditions can cause discharge from the genitals. Depending on the condition, the color, texture, and volume of the discharge may vary. A yellowish or yellow-green vaginal discharge can be a symptom of gonorrhea , although most people who contract it will have no symptoms at all.
Remember, many STIs are curable and all are treatable. You can catch chlamydia through unprotected oral, anal, or vaginal sex. Many people, especially women, may not notice chlamydia symptoms. Even if you don't notice any symptoms, you can still pass it to someone else.
There are a few possible causes for itching after intercourse, like dry skin or an allergic reaction. Some sexually transmitted diseases STDs can also cause itching that may be aggravated by intercourse. Vaginal itching after sex that only happens on occasion is probably nothing to worry about.