If antibiotics aren’t treating an infection, what does this usually indicate?

• A. Bacteria may be resistant; need a different antibiotic
• B. Your body becomes resistant to antibiotics
• C. The infection is viral
• D. Taking more antibiotics helps cure faster

Answer: (A)

When an antibiotic isn’t curing an infection, the most likely reason is that the bacteria causing the illness are resistant to the drug being used, so it no longer works against them. In this situation, a different antibiotic—often guided by culture and sensitivity results—is needed to effectively kill the bacteria. It’s important to remember that the host doesn’t become resistant to antibiotics; bacteria develop resistance, which is what makes some drugs fail. Taking more antibiotics won’t fix a resistant infection and can cause more side effects and promote resistance in other organisms. Additionally, some infections are viral, and antibiotics won’t help with those. If there’s no improvement, the clinician would reassess the diagnosis, check dosing and adherence, and consider a different antibiotic based on the pathogen’s susceptibility.