Sexually transmitted diseases (STDs) are a group of diseases that are transmitted primarily through sexual intercourse. The World Health Organization classifies more than 20 diseases as sexually transmitted diseases, the common ones are: gonorrhea, condyloma acuminatum, non-gonococcal urethritis, genital herpes, syphilis, AIDS, soft chancre, lymphogranuloma venereum, etc. China is still accustomed to several common sexually transmitted diseases other than AIDS called sexually transmitted diseases. The first thing you need to do is to take care of yourself and not to have sex with anyone; 2. Use a penis condom during intercourse for some protection; 3. Pay attention to personal hygiene, men should also wash their bottoms regularly. Signs and symptoms of sexually transmitted diseases 1, systemic symptoms (1) fever; (2) weakness; (3) joint pain; (4) loss of appetite; (5) wasting. (2) Skin signs and symptoms (1) pain; (2) itching; (3) abnormal sensation (numbness, ankylosis, tightness, etc.); (4) rash: primary: macules, patches, maculopapular rash, hemorrhagic rash, abscesses, etc. (4) secondary: scales, scabs, erosions, ulcers, lichenification, etc. 3. Signs and symptoms of genitourinary system 1. painful urination; 2. frequent and urgent urination; 3. urinary closure; 4. overflow of urine; 5. pus flowing from the urethra. What should I do if I have a sexually transmitted disease? If you have a history of unclean sexual intercourse and have the above clinical symptoms and suspect that you are suffering from a sexually transmitted disease, you should do the following: 1. Eliminate your worries and go to a regular medical institution as soon as possible: these medical institutions include professional STD control institutions, hospitals and STD clinics in other health departments. You should not look for a doctor according to street advertisements, otherwise it will be a waste of money and may delay the disease. The actual fact is that you will be able to get a lot more than just a few of the most popular and popular ones. However, it is necessary to cooperate with the doctor for regular, quantitative and thorough drug treatment. 4, stop sexual intercourse during treatment How are sexually transmitted diseases transmitted? Sexually transmitted diseases are mainly transmitted through patients who already have sexually transmitted diseases and blood sources containing pathogens. There are five ways of transmission: 1, sexual intercourse; 2, blood transmission; 3, mother-to-child transmission; 4, close living contact; 5, medical transmission.