It is always a sewage like odor or rotten egg smell.
Why does my bathroom sink smell like sewage.
Once you ve identified where the odor is.
When the vents are blocked flushing a toilet can create sufficient vacuum to suck water out of the trap and allow sewer gases into your home.
A rancid odor coming from your sink drain may just be coming from debris in the p trap but if it smells like a sewer it probably means venting problems in your drain system.
Sewer smells in your bathroom can result from a few different issues so you ll need to spend a bit of time in the room to sniff out the source.
How to get rid of the smell from the bathroom sink overflow.
There is soap hair and used toothpaste spits.
If you notice a foul odor coming from the overflow pipe in your sink the pipe is probably harboring a layer of gunk and a colony of.
The first possible cause of a sewage smell in your bathroom is by far the easiest to fix and more likely to occur in bathrooms where fixtures haven t been used recently such as the sink in a guest bathroom or the tub in a bathroom with a separate shower.
According to research the bathroom drain is the primary reason why bathroom sink smells like sewer.
Not only is the sewage smell in the bathroom gross but it can also be hazardous to your health.