These are infections usually spread through vaginal, oral and anal sex. About 20 million Americans get an STD every year, half of them 15 to 24 years old. How do you know if you might be one of them? Because there are more than 25 types of STDs, there are many different symptoms. But some STDs are more common than others. Some symptoms are, too.
Sexually transmitted infections STIs are infections that are passed from person to person through sexual contact. There are more than 25 other STIs that are mainly spread by sexual contact such as vaginal, anal, and oral sex. A "disease" is usually an obvious medical problem with clear signs and symptoms. This is why many individuals and organizations working in health are moving toward using the term "sexually transmitted infection" rather than "sexually transmitted disease. If left untreated, STIs can cause serious health problems, including cervical cancer , liver disease, pelvic inflammatory disease PID , infertility, and pregnancy problems. In the US, about 20 million new infections occur each year.
Print Version pdf icon. The content here can be syndicated added to your web site. It is caused by infection with a protozoan parasite called Trichomonas vaginalis. Although symptoms of the disease vary, most people who have the parasite cannot tell they are infected. Trichomoniasis is the most common curable STD.
There are many misconceptions about sexually transmitted infections STIs - one of them being that not everyone can catch an STI. The truth is that anyone who is not practising safe sex is at risk of getting an infection. You could be at a lower risk if you and your partner are in an exclusive relationship and get tested regularly. On the other hand, you could be at a higher risk if you have multiple sexual partners. Not many people even know the signs and symptoms of a sexually transmitted infection.