Antibiotics are commonly used to cure many sexually transmitted infections (STIs), including bacterial infections like gonorrhea, chlamydia, and syphilis. However, it's important to note that antibiotics are not effective against viral STIs, such as HIV or genital herpes. The choice of antibiotics and the duration of treatment depend on the specific STI and individual factors. It is crucial to complete the full course of antibiotics as prescribed by a healthcare professional, even if symptoms improve or disappear, to ensure complete eradication of the infection. It's also important to understand that antibiotic resistance is a concern, and adherence to treatment and safe sexual practices, such as using barrier methods like condoms, are vital to prevent reinfection and the spread of antibiotic-resistant strains of STIs. Regular testing and early treatment, combined with preventive measures, play a significant role in managing and preventing STIs.