Look, this is legitimately something to pay attention to without freaking out. Antibiotic-resistant bacteria are real and they're getting worse, but it's not like infections are suddenly untreatable overnight. What it means is that some common stuff like ear infections or urinary tract infections might take longer to treat or need different antibiotics than they used to. Your kid might end up on a second or third antibiotic option instead of the first one working immediately. It's annoying and more expensive, but doctors are aware of this and they adapt. The bigger issue is that we're running out of easy solutions for some infections, so we all need to be smarter about how we use antibiotics.
Here's what actually helps: don't pressure your doctor for antibiotics when your kid has a viral infection - that's basically throwing medicine at a problem it can't fix anyway and just helps bacteria learn to resist. Make sure your kids finish the full course of antibiotics if they get prescribed them, even if they feel better halfway through. Hand washing is probably the most useful thing you can do, honestly. Keep their vaccinations current because that prevents infections in the first place. And if your kid gets sick, see a doctor who can figure out if it's actually bacterial or just a virus. Most infections are viral anyway.
The system is catching up to this problem too. Hospitals are better at tracking resistant bacteria now, and researchers are working on new antibiotics and alternatives. It's not like we're heading back to the 1920s. Just be a reasonable parent - don't self-medicate, listen to your doctor, and keep good hygiene habits going.