A (9:42)
Okay, this is a really interesting question and an interesting way of framing this. So Homer, I'm glad you asked it because when it comes to antibiotics, I think there's quite a bit to clear up. So first, let's talk about what we know about antibiotics. They are used to treat bacterial infections. Okay, Antibiotics for bacterial infections, antivirals for viral infections, antiparasitics for parasitic infections. So antibiotics are not going to work on viruses like the common cold or the flu. Only bacterial infections, as you mentioned, Homer. And antibiotics are not needed to treat all bacterial infections. Some will clear on their own. They're more commonly used to treat things like strep, whooping cough, and urinary tract infections. Some really common bacterial infections like ear infection, some sinus infections, they're not generally going to require antibiotics. And not every antibiotic works for every infection. There's lots of bacteria out there. There's lots of antibiotics out there. You gotta make sure you're taking the right one. So in the case of pneumonia, like you mentioned, it depends to some extent what kind of pneumonia you're referring to. In the case of bacterial pneumonia, antibiotics can be necessary. Super important. That type of pneumonia could be life threatening if not treated. But if it's pneumonia caused by a virus or a fungus, for example, you're not going to need antibiotics. They're not going to be helpful. Bacterial pneumonia, bottom line, tends to be more severe. Now Again, antibiotics are not interchangeable, even though a lot of people treat them as such. Not all bacteria are going to respond to all antibiotics. So if you have bacterial pneumonia, doctors will prescribe an antibiotic based on the bacteria that's causing your infection. Prescribe an antibiotic that's known to work against a particular bacteria. To your question, Homer, if you are taking antibiotics and exposed to someone with pneumonia, will you be immune to pneumonia? It depends again, on everything I've just said. What kind of antibiotic you're on, what kind of pneumonia they have, and to be precise, pneumonia itself isn't actually contagious, but the bacteria and viruses that cause it are. When people cough, sneeze, or talk, they're going to send respiratory droplets into the air, and those can be inhaled by people around them. You could also get pneumonia from touching an object or a surface that has the germ on it and then touching your nose or your mouth. That's a lot less common, though. That said, not everyone who is exposed to pneumonia causing germs will actually get pneumonia. So antibiotics are not prescribed to prevent pneumonia, not to be preventative. They're used to treat patients who already have it. But if you're worried about catching pneumonia, there are vaccines available to prevent some common types of pneumonia. So cdc, for example, recommends pneumococcal vaccinations for for kids younger than 5 years old or kids with certain risk conditions. Adults 50 years or older. That's me now. Adults with certain risk conditions. Other things you can do, obviously, practice good hygiene, especially around someone who you know is sick. Don't smoke, take care of your immune system, get enough sleep, exercise, eat a well balanced diet. Those are the things that can truly help prevent you from getting an infection. If you do feel sick, get diagnosed. I'll say this for the third time, not all antibiotics are interchangeable. You want to determine if an antibiotic is actually needed and then make sure you are taking the right one. Point being, don't go digging around in your medicine cabinet looking for any old medication to take. You could actually do more harm than good. Misusing antibiotics can lead to side effects, diarrhea, potential liver and kidney damage, and you might have heard of antibiotic resistance. That's when a bacteria will change and evolve so that the antibiotics can no longer kill them. In those cases, antibiotics stop working well against those infections. And the more antibiotics are used, the more chances the bacteria have to adapt and resist them. So if it just so happens you are taking the exact antibiotic for a potential bacteria that you're exposed to that might be protective. But again, that is not the point of antibiotics. When we're trying to prevent disease, we're often talking about vaccinations. When you're talking about antibiotics, that's to treat disease. Homer, Great question. I hope that was helpful. There's a lot of nuance there. I think we all learned something today. Thank you for your fantastic questions, all of you. And thank you for staying curious. Asking questions about your health is never a bad thing. It's why I created this podcast. This is one of the best things you can do for yourself. Part of chasing life is asking questions. The big ones and the small ones. Staying curious, informed, and proactive. That's how we take care of ourselves and the people we love. So keep searching, keep learning. And if you've got a question you're wondering about, don't keep it to yourself. Send it our way. We might just answer it on our next show. Record a voice memo, email it to asksanjaynn.com or give us a call 470-396-0832 and leave a message. Thanks so much for listening. Tev.