Medically reviewed by Kristie Reed, PharmD Key Takeaways A missed antibiotic dose can make treatment less effective. Take it ...

Amoxicillin begins to work within a few hours after starting the antibiotic. You may start to feel better within 48 to 72 hours. However, you should always finish taking all your prescribed medication ...

The effectiveness of antibiotic treatment depends on a person taking it correctly. Missing several doses of an antibiotic can result in ineffective treatment and potentially contribute to ...