While a noxious odor in the bathroom might be harmless, an unusual bad odor that smells truly rotten should never be ignored. “The biggest mistake I see homeowners make is ignoring it or covering it ...

For years, Alina Atherton battled a bad odor coming from the shower drain in her rental home in Henderson, Nevada. Atherton tried everything she could think of to stop the smell: Drano. Hot water.

Q My shower drain occasionally has a musty smell, even though I keep the shower clean. What causes the smell, and what can I use to treat it? A There are many possible causes for the smell. The ...