What is the correct procedure for discarding used needles?

The correct procedure for discarding used needles is to discard them in a designated sharps container. This method is essential for ensuring safety in healthcare settings, as sharps containers are specifically designed to prevent needle-stick injuries and contain infectious waste. These containers are usually puncture-proof, properly labeled, and are made from materials that can withstand the sharpness of needles, thereby protecting healthcare workers and patients from harm.

Using a sharps container also complies with public health regulations and minimizes the risk of contamination, which can occur if needles are improperly discarded. The other methods mentioned pose significant health risks; for instance, throwing needles in regular waste or flushing them down the toilet can lead to injuries for sanitation workers and environmental contamination. Leaving needles on a counter is particularly dangerous, as it poses an immediate risk of accidental injury to anyone who might come into contact with the surface. Thus, the designated sharps container is the safest and most responsible choice.