Most poisonings happen at home, and nearly all of them are preventable. The key is controlling what people (especially children) can access, how chemicals are stored and used, what temperatures your food reaches, and how you handle medications. Here’s a room-by-room, risk-by-risk breakdown of how to keep your household safe.
Store Chemicals Up High and Locked
Household cleaners, pesticides, and automotive fluids should be stored out of reach of children and pets. Use safety locks on cabinets and guardrails on shelves to prevent containers from tipping or falling. Keep products in their original containers so warning labels and ingredients stay visible. Never transfer cleaning solutions into food or drink containers, even temporarily.
A less obvious risk: mixing cleaners. When bleach is mixed with ammonia, it produces toxic gases called chloramines. Breathing these in causes coughing, chest pain, shortness of breath, watery eyes, and in serious cases, fluid in the lungs. This can happen accidentally when you use two different bathroom or kitchen cleaners at the same time. Stick to one product per surface, and ventilate the room while you clean.
Keep Medications Out of Reach and Dispose of Them Properly
A single dose of certain prescription medications can kill a child. Store all medicines, including vitamins and supplements, in a locked cabinet or container. Don’t leave pills on countertops, nightstands, or in bags where kids can find them.
Getting rid of unused or expired medication matters just as much as storing it safely. The best option is a drug take-back program, where you drop off medicines at a pharmacy or designated collection site, or mail them in a pre-paid envelope. For high-risk medications, particularly opioids and certain sedatives, the FDA recommends flushing them down the toilet rather than leaving them in your trash. These drugs are singled out because a single accidental dose can be fatal and because they carry a high risk of misuse.
Cook and Store Food at Safe Temperatures
Foodborne illness is a form of poisoning that affects millions of people every year, and temperature control is the single most effective way to prevent it. Use a food thermometer. Guessing by color or texture is unreliable.
The minimum safe internal temperatures, as set by the USDA, are:
- Poultry (whole birds, breasts, wings, thighs, ground): 165°F (74°C)
- Ground beef, pork, veal, or lamb: 160°F (71°C)
- Steaks, chops, and roasts (beef, pork, veal, lamb): 145°F (63°C), then let rest for 3 minutes
- Fish and shellfish: 145°F (63°C)
Your refrigerator should be at or below 40°F (4°C) and your freezer at 0°F (-18°C). An inexpensive appliance thermometer lets you verify this, since the built-in dial on many fridges isn’t precise. Bacteria multiply rapidly between 40°F and 140°F, so refrigerate leftovers within two hours of cooking.
Protect Against Carbon Monoxide
Carbon monoxide is colorless and odorless, which makes it one of the most dangerous household poisons. It comes from fuel-burning appliances like furnaces, gas stoves, water heaters, fireplaces, and car engines running in attached garages.
Install a carbon monoxide detector on every floor of your home, including the basement. Place one within 10 feet of each bedroom door so it can wake you at night. If you have an attached garage, put a detector near or above it. Don’t install detectors directly next to furnaces, stoves, or other fuel-burning appliances, since these can release small amounts of carbon monoxide at startup and trigger false alarms. Keep detectors at least 15 feet from heating or cooking appliances and away from humid areas like bathrooms.
Check Your Home for Lead Paint
Lead-based paints were banned for residential use in 1978. If your home was built before that year, it likely contains some lead paint. The danger isn’t intact paint on a wall. It’s paint that’s peeling, chipping, or creating dust, especially around windows and doors that rub when opened and closed. Young children are most at risk because they put their hands in their mouths frequently.
You can request a lead paint inspection or risk assessment through your state or local health department. An inspection tests every painted surface in your home for lead content. A risk assessment identifies active hazards like peeling paint and lead dust. If lead is found, professional abatement or encapsulation keeps it from becoming airborne.
Know Which Houseplants Are Toxic to Pets
Many of the most popular indoor plants are poisonous to cats and dogs. The symptoms range from drooling and vomiting to tremors and difficulty swallowing. Plants that contain calcium oxalate crystals are especially common culprits, because the tiny needle-like crystals embed in the mouth and throat on contact. These include pothos, philodendron, peace lily, dumb cane, and flamingo flower. A pet that chews on any of these will typically show immediate oral pain, swelling, and excessive drooling.
Other common toxic houseplants include aloe vera, snake plant, jade plant, amaryllis, corn plant (dracaena), and ficus. Symptoms vary but generally involve vomiting, lethargy, diarrhea, and loss of appetite. If you keep these plants, place them on high shelves or in rooms your pets can’t access. If you’re choosing new plants, look for pet-safe options like spider plants, Boston ferns, or calathea.
If a Poisoning Happens
The national Poison Help line is 1-800-222-1222. It’s free, available 24 hours a day, 7 days a week, and staffed by nurses, pharmacists, and doctors. When you call, you’re connected to your local poison center. Save this number in your phone now. Having it ready saves critical time in an emergency, and the specialists on the line can tell you exactly what to do based on the substance, the amount, and the person’s age and weight.