4 Creatures That Can Crawl Through Bathroom Pipes (And How to Stop Them)

Bathrooms might feel like safe havens, but the plumbing can be an unexpected gateway for small intruders. Here are the most common creatures that can sneak through your pipes:

1️⃣ Drain Flies (Sewer Flies / Moth Flies)

Appearance: Tiny, fuzzy, moth-like flies (1–5 mm), often seen near sinks or drains.
How They Get In: They breed in organic matter trapped in drains. Even clean-looking drains can harbor residue.
How to Stop Them:

Pour boiling water down drains once a week.

Scrub drain surfaces with a pipe brush.

Use a mixture of baking soda and vinegar to remove buildup.

Keep sinks dry when not in use.

2️⃣ Cockroaches