After teaching a group of students about loop diuretics, the instructor determines that the teaching has been successful when the students identify which agent as the safest for use in the home? a) Furosemide
Bottom line: Although research is ongoing, over-the-counter personal lubricants are generally safe for most people if used as directed, and they can be a good solution for vaginal dryness or otherwise reducing friction (or boosting pleasure) in your sex life.
If you must use a lubricant to have intercourse, check with your doctor or pharmacist to find the one that is right for you that will be most friendly to sperm. Keep in mind though that no lubricant enhances your chances of conception.