Can Sodium Bicarbonate Kill Cockroaches?

A Home Remedy With Limitations

In kitchens and bathrooms across the world, cockroaches spark a collective shudder. No shortage of internet hacks and folk remedies promise simple ways to get rid of these pests. Among them, sodium bicarbonate—better known as baking soda—often gets mentioned as an easy fix. It’s cheap, non-toxic to people, and stashed in almost every pantry. So, can it really get the job done on roaches?

Baking Soda Meets Biology

Roaches eat almost anything. Some advice on home pest control suggests mixing baking soda with sugar and leaving it out as bait. The sugary scent lures roaches in, and the idea is that the baking soda creates gas in their stomachs. Roaches, unlike humans, can’t pass gas. Instead, this buildup of pressure supposedly kills them.

The story sounds plausible at first. I’ve seen people try it in real life. A few days later, they spot a couple of dead insects and declare victory. But surviving roaches keep coming back, still crawling under the fridge and darting for the shadows. Scientific studies on the method tell a similar tale. Researchers at Rutgers University pitted home remedies—baking soda among them—against professional-grade roach baits. Baking soda didn’t make much of a dent in the infestation. It may harm the handful of bugs curious enough to take a bite, but most won’t eat the stuff or eat enough to suffer any real consequences.

Health and Safety at Home

People look for low-toxicity options mainly out of concern for children or pets. Baking soda doesn’t put loved ones at the same risk as industrial pesticides do. For someone worrying about chemicals around babies, this factor can weigh heavy. But dialing back the use of harsh chemicals only helps if the alternative actually works. Nobody wants bugs crawling near clean dishes because a gentler solution falls short.

Pest control experts often run into frustrated homeowners who try one internet trick after another. I remember helping a neighbor who laid out baking soda mixtures after reading about it online. The next week, roaches showed up stronger than ever, running wild over countertops. We traced the problem to a small leak near her sink, a warm, damp hiding spot. Plugging that leak and scrubbing up crumbs worked better than all the home remedies combined.

Real Answers for Persistent Pests

Roaches never thrive on baking soda alone. These bugs want food, warmth, and water. Remove those, and colonies collapse. Cover food at night. Clean splatters behind the stove. Fix leaky pipes under sinks. Immediate relief often involves traps or gel baits that cockroaches find irresistible and lethal. Professionals develop these baits using a mix of potent attractants and controlled doses of insecticide.

The Centers for Disease Control and Prevention and entomologists agree—eliminating access to food and water remains the top strategy for eradicating cockroach invaders. Baking soda doesn’t replace these basics. It might knock down a stray bug, but it won’t clear out a colony. Good housekeeping, moisture control, and periodic inspections from trained exterminators protect homes and families far more reliably than baking soda sprinkled with hope.