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Why antibiotic pricing varies online One of the first things patients notice when browsing online pharmacies is that the same antibiotic can appear at dramatically different prices. Amoxicillin, azithromycin, or doxycycline may cost only a few dollars at one pharmacy, yet ten times more at another. Understanding these variations is key to avoiding overpayment and […]

Basics 1. What are antibiotics, and how do they work? Antibiotics are medicines that kill bacteria or stop them from multiplying. They act on bacterial cell walls, proteins, DNA, or metabolism. Because human cells differ, antibiotics can target bacteria selectively. Read more in Antibiotics basics. 2. Do antibiotics kill viruses? No. Antibiotics have no effect

Introduction The modern pharmacy shelf can feel overwhelming. Antibiotics appear under dozens of names, like amoxicillin, azithromycin, doxycycline, cephalexin, metronidazole, each with its own story, its own target, and its own rules of use. To the untrained eye, they may all seem interchangeable. In reality, they are carefully grouped into classes that reflect how they

Why antibiotic allergy matters When people say they are “allergic to antibiotics,” the meaning can vary widely. Some use it to describe stomach upset after a pill, while others recall a rash from childhood, and a small minority have experienced severe, life-threatening reactions. Sorting out these differences is essential, because the label of “antibiotic allergy”

Why drug interactions matter Antibiotic interactions occur when a prescribed antibiotic affects or is affected by another medication, supplement, or even food. Understanding these interactions is critical for safe and effective treatment, as they can reduce efficacy or increase toxicity. Many patients take multiple medications or supplements, and each can influence how an antibiotic behaves

Introduction Few drugs are as revered and feared as antibiotics. They have saved millions of lives, turned once-deadly infections into treatable conditions, and reshaped modern medicine. Yet, paradoxically, they are also among the most overused and misused drugs in the world. Many people still believe that antibiotics can help with almost any illness: a cough,

Why a checklist matters Ordering antibiotics online can feel like a convenient shortcut: no waiting rooms, no long pharmacy lines. But behind that convenience lies a serious safety gap. Studies by the FDA and the National Association of Boards of Pharmacy (NABP) consistently show that more than 90% of websites claiming to sell prescription drugs