The answer to 'why is my shower making gurgling noise' is that a gurgling sound in the shower is typically caused by a blockage or clog in the drain pipe. This blockage can create air pockets that cause the gurgling sound when water drains.
Some common causes of shower drain clogs include hair, soap scum, and mineral buildup. Over time, these materials can accumulate and restrict the flow of water, leading to the gurgling noise. Other potential causes include a problem with the vent system or a partially blocked main sewer line.