Spermicidal condoms are generally safe for most people. However, the spermicide nonoxynol-9 can cause irritation, increasing the risk of urinary tract infections (UTIs) and potentially HIV transmission if used frequently. They do not protect against STIs better than regular condoms. For sensitive individuals, non-spermicidal condoms are often recommended. Spermicide is a chemical substance which destroys the sperm and immobilizes it. …