▲ 4 r/PlumbingRepair+3 crossposts

Upstairs bathroom smells like sewage and sulfur randomly on and off

Hello! Im a FTHB. I moved in with my two younger boys. Started smelling sewage upstairs. I tracked it to the upstairs bathroom tub.

I looked up that it could be from a dry p trap because bathroom has not been in use.

I’ve tried running water and flushing toilet. Smell gets worse.

I’ve tried putting baking soda and vinegar down.

Nothing is working.

When I flush the toilet I hear a gurgling sound coming from bathtub drain.

It goes from smelling alright to completely awful at random times. Even without using the bathroom.

Downstairs bathroom , sink and dishwasher all smell great. Only smell is coming from upstairs bathroom.

Please if anyone can help me with any ideas of what it could be. I’m extremely desperate.

Thank you!!

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u/xxlesliemarie — 4 days ago