Monday, March 9, 2026

Ethanol and Methanol: Two Alcohols That Are Very Different

 

Many people hear the word alcohol and think it means just one thing. But in science, there are many kinds of alcohol. Two of the most common are ethanol and methanol. These two liquids can look and smell the same. They are both clear and colorless. But they are not the same. One can be safely used by adults in lesser amounts. The other can seriously harm or even kill a person after just a small sip. Knowing the difference between ethanol and methanol can help keep people safe. 


 What Is Ethanol? 

Ethanol is the type of alcohol found in beer, wine, and liquor. It is also used in hand sanitizers, cleaning products, and some medicines. Humans have been using ethanol for thousands of years. The body knows how to break it down and remove it. That does not mean ethanol is harmless—but it does mean the body can manage lesser amounts. 


 What Is Methanol? 

 Methanol is a different kind of alcohol. It is not safe to drink. Methanol is used in: 
• Antifreeze 
• Windshield washer fluid 
• Paint and cleaning chemicals 
• Fuel and factories 
Methanol is made for machines and not for people. Drinking it can cause significant injury or death. 

 Why Do These Alcohols Act So Differently? 



When the body breaks down ethanol, it turns into substances the body can remove. When the body breaks down methanol, it turns into poisons
 

What Happens When the Body Breaks Down Ethanol

 When ethanol enters the body: 
1. It goes to the liver 
2. The liver breaks it down step by step 
3. The body gets rid of it
 If too much ethanol is consumed, the liver cannot keep up. This can lead to alcohol poisoning, which is extremely dangerous. 


Dangers of Ethanol 

Even though ethanol is common, it can still cause harm: 
• Poor judgment 
• Slowed thinking and movement 
• Vomiting 
• Trouble breathing 
• Liver damage 
• Addiction 
Health experts say that drinking too much alcohol causes millions of deaths worldwide each year

 

What Happens When the Body Breaks Down Methanol 

Methanol is much more dangerous. When methanol enters the body: 
1. The liver tries to break it down 
2. It turns into formaldehyde (a strong poison) 
3. Then it turns into formic acid, which damages cells 
These poisons attack the brain, eyes, and organs. This can lead to blindness, organ failure, or death

 

How Much Is Dangerous? 

This is one of the most significant differences. 

Ethanol 

• Harm depends on how much it is consumed 
• Substantial amounts over a brief time can be deadly

 Methanol 

• Methanol is dangerous even in exceedingly tiny amounts. 

 

Warning Signs and Symptoms 

 Signs of Methanol Poisoning may appear many hours later. The delay makes methanol especially dangerous. People may not realize what is happening until severe damage has already occurred. 
 


Where People May Be Exposed 

Ethanol Is Found In 

• Alcoholic drinks 
• Hand sanitizer 
• Some medicines 
• Cleaning products 

Methanol Is Found In 
• Antifreeze 
• Windshield washer fluid 
• Paint thinners 
• Some fuel 

Serious poisoning often happens when methanol is: 

• Mistaken for ethanol 
• Added to illegal or homemade alcohol 
• Stored in unlabeled containers 
Medical groups report that methanol poisoning outbreaks can kill 30–40% of people affected, if help is delayed. 

 

Treatment: Why Speed Matters 

Ethanol Overdose 

Doctors focus on: 
• Keeping the person breathing 
• Preventing choking 
• Supporting the body 


Methanol Poisoning 

Methanol poisoning is a medical emergency

Doctors must: 

• Stop the body from making more poison 

• Remove methanol from the blood
 Quick treatment can save eyesight and lives. 


 How to Stay Safe 

Simple steps can prevent tragedy: 
• Never drink liquids not meant for drinking 
• Avoid homemade or unregulated alcohol 
• Keep chemicals in labeled containers 
• Seek medical help right away if poisoning is suspected 


 Why This Information Is Important

 Understanding ethanol and methanol helps people: 
• Stay safe at home and work 
• Avoid dangerous mistakes 
• See how science affects daily life 
One looks like alcohol people recognize. The other is a hidden poison. 

 

Similar Names, Very Different Risks

 Ethanol and methanol may sound alike, but they are not the same. 
Ethanol is the alcohol found in drinks. It can still be harmful, but the body can process lesser amounts. 
Methanol is a powerful poison. Even a small amount can cause blindness or death. 
This shows how small chemical differences can have huge effects on health. Knowing the difference can save lives. 
 Contact your local poison center right away if you suspect poisoning.


Sunday, March 1, 2026

Beautiful Blooms, Hidden Risks: What to Know About Popular Flowers and Plants

 

Fresh flowers and houseplants can brighten up any space, but some common favorites come with important safety concerns—especially for pets. Here is what you need to know about three popular plants often found in homes, bouquets, and gardens. 

 Lilies: Lovely but Lethal for Cats 

A picture of a pink lily and a white lily.
Photo by Linsheng He on Unsplash


Lilies have a long and beautiful history. In Greek mythology, lilies were believed to be born of the milk of the goddess Hera. In Christian art, the lily is linked to the Virgin Mary and symbolizes purity and virtue. One of the oldest known lilies, the Madonna lily, dates back over 3,000 years. However, despite their symbolism, many lilies are  extremely dangerous for cats. 
• Animals affected: Cats only 
• Toxic effect: Severe kidney damage (nephrotoxicity) 
• How dangerous? Eating as few as two leaves can be fatal 
• Early signs: Vomiting and heavy drooling 

Lilies that are toxic to cats include: 

• Asiatic lily 
• Oriental lily 
• Stargazer lily 
• Easter lily 

Not all plants called “lilies” are true lilies. Plants like peace lily, day lily, water lily, and lily-of-the-valley belong to different plant families and have different risks, but they should still be kept away from pets. 

 Roses: Mostly Safe, With a Catch 

Red Rose
Photo by Wyxina Tresse on Unsplash


Roses have been admired for millions of years—fossils show they existed 30 million years ago. They were cherished by the Romans and first cultivated in China during the Chou Dynasty. Good news: roses themselves are not poisonous. But there are a few things to keep in mind: 
• Thorns can cause cuts and infections 
• Pesticide residues on roses may irritate skin or trigger allergic reactions 
Common pesticides found on roses include triazoles, pyrethroids, organophosphates, carbamates, and strobilurins. Florists and frequent handlers may notice skin irritation over time. 

 Philodendrons: Popular Houseplants with a Bite 

Philodendrons come from the tropical rainforests of Central and South America. Their name means “lover of trees.” They are often recommended for beginners because they are easy to care for—but they are not harmless. 

• Contain calcium oxalate crystals, which are needle-shaped 
• Can cause swelling, drooling, and trouble speaking if swallowed 
• Skin or eye contact may lead to redness and irritation 

A person holding a philodendron.
Photo by feey on Unsplash


When the Unexpected Happens 

If you think a child, pet, or adult has been exposed to a toxic plant—or if you just have a question—help is always available. 
📞 Call the Poison Center at 1-800-222-1222 Free, confidential, and available 24 hours a day, 7 days a week A little knowledge can help keep your home both beautiful and safe.


Friday, November 14, 2025

Holiday Hustle: Keep Your Home Safe This Season

 The holidays are here — a season filled with cooking, decorating, and gathering with loved ones. But between the baking sheets and the gift wrap, it’s easy to forget a few key safety steps that keep your home and family healthy. 

The 4 C's of Food Safety Whether you’re preparing your first feast or your fiftieth, the secret to a successful holiday meal is food safety. Remember the 4 C's: 

Clean: Wash hands, utensils, and surfaces often. 

Cook: Use a food thermometer to ensure meat reaches safe internal temperatures. 

Clear: Keep raw meats separate from ready-to-eat foods to prevent cross-contamination. 

Call: When in doubt about food safety or any possible poisoning, call the poison center at 1- 800-222-1222. 

Each step matters — they work together to help you enjoy your meal safely and confidently. For more details, check out our full food safety guide. 


Cleaning Safely for the Holidays 


A sparkling home sets the tone for celebration. Whether you’re wiping, scrubbing, or disinfecting, knowing what products to use — and how — makes all the difference. 

  • Soap and water are great for everyday cleaning. 

  • Sanitizing reduces germs to a safe level. 

  • Disinfecting kills most viruses and bacteria on surfaces. 

Not sure what your home needs? Visit our holiday cleaning guide for easy step-by-step advice. 

Create a Safe and Welcoming Home 

Before guests arrive, take a few minutes to do a quick safety walk-through of your home: 

  • Store cleaning and bathroom products up high and out of reach of children and pets. 

  • Keep garage chemicals clearly labeled and securely closed. 

  • Put alcoholic beverages away when not in use — never leave them where children or pets can reach. 

  • Remember: even festive touches like poinsettias and mistletoe can be toxic if ingested. Learn more about these and other seasonal hazards on our Toxic Topics page. 


  • When the Unexpected Happens 

  • Accidents can happen — even during the happiest times of the year. If you suspect poisoning or have a question about a product, help is always available. 

    Call the poison center anytime at 1-800-222-1222 — free, confidential, and open 24/7. 

    Stay safe, celebrate smart, and enjoy every moment of your holiday season! 

Monday, October 13, 2025

Propranolol: The “Calm Pill” Everyone’s Talking About — What You Need to Know

 

If you’ve been scrolling through TikTok, listening to podcasts, or chatting with friends about ways to beat stage fright or calm your nerves, you’ve probably heard the word “propranolol.” This decades-old prescription drug is suddenly in the spotlight — but it’s not new at all. In fact, propranolol has been helping people manage heart issues since the 1960s. Let’s break down what this drug actually does, why it’s trending, and what you should know before you even think about trying it. 

Photo by: Kaboompics.com

 What Is Propranolol?

 Propranolol is a beta-blocker, meaning it works on the body’s sympathetic nervous system — the part of your body that handles your “fight or flight” response. It was first developed by British scientist Sir James Black in the 1960s and quickly became a game-changer for heart health. Doctors typically prescribe propranolol for conditions such as:
• Angina (chest pain) 
• Irregular or fast heartbeats (tachyarrhythmias)
• Preventing heart attacks 
• Migraine prevention
• Restless leg syndrome
• Hyperthyroid-related symptoms


 

Why People Are Taking It for Anxiety 

One of the biggest reasons propranolol has resurfaced in pop culture is its off-label use for performance anxiety. Musicians, public speakers, and students have quietly used propranolol for decades to take the edge off symptoms like: 
• Racing heart 
• Sweaty palms
• Facial flushing

 As far back as 1978, pharmacy students reported using it before presentations. More recently, social media influencers and celebrities have made it part of the conversation again. Here’s the catch: propranolol isn’t actually FDA-approved to treat anxiety. That’s because no large-scale clinical trial has been done to prove its effectiveness for this purpose. Trials are expensive and time-consuming, and because propranolol is already a low-cost generic medication, there’s little financial incentive for drug makers to fund new studies. 

 How Propranolol Works 
Photo by: Niklas Jeromin

Think of propranolol as a “mute button” for your heart’s stress response. It blocks beta-1 receptors found in your heart’s pacemaker cells (sinoatrial and atrioventricular nodes). The result? A lower heart rate and less oxygen demand — meaning your heart doesn’t have to work as hard. Propranolol also affects beta-2 receptors in the smooth muscles of your airways and blood vessels. This can slightly narrow airways, which is why people with asthma or breathing issues must be extra careful — it can even interfere with emergency medications like epinephrine.

 Risks and Side Effects You Should Know About 

Even though propranolol sounds like a “miracle pill” for nerves, it’s not risk-free. Common side effects include:
 • Fatigue
 • Nightmares
 • Cold hands or feet 
More serious concerns, such as an increased risk of blood clots, have been flagged in some research. And remember taking too much propranolol can lead to dangerously low heart rates, blood pressure drops, and even bronchospasms or breathing difficulties. 

 The Bottom Line

 Propranolol may seem like a simple fix for stage fright or big presentations, but it’s still a prescription medication with real risks. Always talk to your healthcare provider before using it — especially if you have asthma, low blood pressure, or other health concerns. This isn’t a new “miracle trend” — just an old heart drug getting a lot of new attention.

Photo by: Fotos

If you suspect you are having a poison emergency, or you have a poison question, please call us at 1-800-222-1222.











Keeping South Texas Safe: The South Texas Poison Center at Your Service 


 The South Texas Poison Center (STPC) is here to help you stay safe with our 24/7 hotline (1-800-222-1222), free educational resources, and expert advice. Founded in 1995, we serve 47 counties across South Texas, helping both the public and healthcare providers with everything from poison information to prevention tips. Our team of certified Specialists in Poison Information (SPIs) — including nurses, pharmacists, and physicians — is always ready to assist, and many of them speak Spanish to better serve our diverse community. Prevention is a big part of what we do. We’re dedicated to reaching as many people as possible, whether through educational materials, health fairs, school programs, or community outreach. By partnering with local organizations and offering culturally relevant resources, we make sure that everyone in our region knows how to prevent poisoning and what to do in case of an emergency. Whether you need advice or just want to learn more, we’ve got you covered!