The sewer line is plugged or collasped. The sink and bathtub may drain because they drain at a slower rate. Toilet is all at once and the drain can't handle it. Water has to go somewhere so it backs up in the sink and tub.
Maybe the spout where the water comes out.
a pest
Blood does not come from the toilet it comes from the body.
The color of the ring that the cat leaves in the bathtub in "The Cat in the Hat Comes Back" is pink.
It comes naturally
pull the toilet. Make sure the trap is clear on the toilet, and then snake the toilet line.
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There are many reasons why there could be a urine smell in the bathroom. If there is a warm air vent near the toilet, it is possible urine could have gotten into it. If your water comes from a well, the well may be picking up extra minerals. This can cause water in the toilet to smell like urine.
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cellar. or if it comes to it your bathtub cover yourself with a mattress
The clog is below the point where the toilet and the tub join the drain.