If you have a second story bathroom the problem could be in.
Bathtub drain leaking through ceiling.
Water leaks from a plumbing fixture or pipes may go unnoticed for days or even weeks until you notice a wet spot or water stain on the ceiling below.
Cut a hole in the ceiling to enable you to undertake a visual inspection of the pipework to see if the pipes are leaking or to see if there is direct leaking from under the tiles.
A damp spot or worse a continuous drip from the ceiling overhead signals trouble.
When water s leaking within the wall or from the bathtub drain above you ll find water seeping out below the source of the leak.
Why is there a wet spot on the ceiling below the bathroom.
Leaking drain trap.
When you go to your hardware store take the damaged fittings with you so that you can be sure that you re getting the exact same ones.
Sometimes those drains were installed with plumbers putty and over time it loosens up especially with people in the shower walking back and forth in the shower.
If the drain trap below the tub has loose connections or has corroded through the drain pipe may be leaking water.
Once you see that the water is coming through the ceiling take immediate action before the leak causes any more damage to your house.
But if the clog prevents water from flowing down the pipe and causes a backup of the water into the shower pan and if the water in the shower pan gets high enough then the answer could be yes because the overflow could easily find it s way through a crack in the wall or tile and cause the leak.
If the drainpipe is the culprit you ll have to replace the fittings.
Sometimes water won t actually leak out you ll find the drywall sagging and paint bubbling in the affected area.
Drain pipe leaks are those that appear and disappear across your ceiling.
You will likely see the water dripping down from the drain trap when running water in the tub.
Usually there is ceiling space between the upstairs bathroom and the lower ceiling.
Clogged shower drains in and of themselves would not cause a leak.
How to fix a leak from the upstairs bathroom.