An STD is a sexually transmitted disease otherwise known as STI or sexually transmitted infection. You can contract an STD if you have intercourse with an infected individual. More than 20 different kinds of STDs, STDs can be caused by parasites bacteria or a virus. Common viral studies include human immunodeficiency virus, hepatitis, herpes and human papillomavirus. Common bacterial STD is included gonorrhoea, chlamydia and syphilis. A common parasite STD is trichomonas. It is important to know that often time someone may have an STD and show no symptoms. Common STD symptoms vary between men and women. Common symptoms in women include yellow, green or white vaginal discharge, pain or burning when urinating, irregular bleeding, painful intercourse as well as pain in the pelvic region. Symptoms in men can include white or green cloudy discharge from the top of the penis, burning when you urinate, testicular pain or swelling. The name signs up for peace is painful blisters or open sores in the genital area. If you think you have an STD you should consult a doctor as soon as you notice symptoms. The doctor may perform a blood test, urine test or swab test to determine if you have an STD. Stds can be treated with prescription medicines such as antibiotics and antivirals. Some STDs have no cure but can be controlled. Treatment as soon as possible is always the best practice. If untreated STD is can cause serious harm such as pelvic infection, infertility, sterility, heart and central nervous system problems as well as death. Is it true that people can only catch an STD when someone is displaying symptoms? No, sometimes an infected person can show no symptoms at all. You can still get an STD if your partner is showing no symptoms. Can STDs be spread by kissing, sharing towels, drinking after an infected person or sitting on toilet seats? This is partly true and partly false. Most STDs that transmitted through sexual contact with an infected person. However, herpes can be transmitted through kissing. Viral infections such as herpes, HIV, hepatitis and HPV have no cure. Safe, protected sex is always recommended to prevent an STD. Using Condoms Is Highly Effective But Not 100%. It should be made sure that you and your partner use simple sexual hygiene. Those who are sexually active should have regular checkups with their doctor.