Infection treatment: when to use antibiotics, what to avoid

Got an infection and not sure what to do first? Start by asking two quick questions: how bad are your symptoms, and do you have a doctor who can test or prescribe? Mild colds and most viral infections won’t need antibiotics. Bacterial infections—like some ear infections, urinary tract infections, or strep throat—often do. Getting a proper diagnosis matters because the wrong medicine can do more harm than good.

If you do have a bacterial infection, follow the prescription exactly. That means taking the full course at the right times, even if you feel better after a day or two. Stopping early can let bacteria survive and become resistant. Keep a note of side effects and tell your prescriber if you get anything worrying—rashes, swelling, severe diarrhea, or trouble breathing need immediate attention.

Practical steps while you get treated

Rest, fluids, and simple symptom control go a long way. For fevers use acetaminophen or ibuprofen as advised. Stay hydrated and use warm compresses or saltwater rinses for local symptoms where appropriate. If you’re on antibiotics, add a probiotic like Saccharomyces boulardii or plain yogurt to help reduce the risk of antibiotic-associated diarrhea—research shows they can help when matched to the right antibiotic.

Watch for red flags: high fever (over 39°C / 102.2°F), fast heart rate, fainting, severe pain, swelling of the face or throat, confusion, or breathing trouble. Those need urgent care. For kids and older adults, be quicker to seek help—symptoms can get worse faster.

Buying medicines safely online and avoiding scams

Want to buy antibiotics or antivirals online? Be careful. Use pharmacies that require a valid prescription, show clear contact details, and have strong reviews. We have step-by-step reviews and buying guides on this site—see our articles on buying cefixime, oseltamivir, and safe online pharmacies to check what to look for. Never buy meds from sites that sell prescription drugs without asking for a prescription.

Also compare prices honestly—some legitimate online pharmacies offer savings, coupons, or patient-assistance programs. If a price looks too good to be true, it probably is. Fake medicines can be ineffective or dangerous.

Finally, think about alternatives and prevention. Vaccines, hand washing, wound care, and safe sex cut infection risk. For mild issues, some people use natural supports like garlic or berberine after talking to their doctor—our guide on easing off metronidazole covers when those options might help and what the evidence says.

Treating infections doesn’t have to be scary. Get tested when possible, follow trusted medical advice, avoid sketchy online sellers, and use supportive care to help your body recover. If ever in doubt, call your healthcare provider—the right early step saves time and keeps you safer.