Nothing could be as bothersome as going through your daily routine only to be stymied by an unexpected bathroom incident. Whether the toilet fails to flush properly or the heater produces cold water instead of hot water, seemingly minor hitches such as these are bound to get on your nerves.
At this point, it is probably a good idea to step back, take a deep breath, and call on emergency plumbers who can remedy the situation in almost no time at all. After all, it is possible that the drain is clogged or that a pipe has cracked. Either way, you will need a professional plumber on the job stat.