Amoxicillin ER

What Should I Do If I Miss a Dose?

If you forget to take your dose, take the missed one as soon as you remember. However, if it is almost time for your next dose, simply skip one you missed and continue with your regular schedule. Do not take a double dose. Try not to miss doses, as this increases the risk of developing an antibiotic-resistant infection.

How Does This Medicine Work?

Amoxicillin ER belongs to a group of medications known as aminopenicillins, which is part of a larger group of drugs known as beta-lactam antibiotics (named after the ring-like "lactam" structure of these antibiotics). Amoxicillin ER works by stopping bacteria from making cell walls, which eventually causes the bacteria to die.
Amoxicillin (the active ingredient) causes "concentration-dependent killing" of bacteria. Essentially, this means that the medication will be most effective if a certain minimum blood level is maintained for the longest period of time. This is why most amoxicillin products should be taken multiple times per day.
However, amoxicillin ER is uniquely designed to provide three separate releases of the medication, prolonging the time that the minimum effective blood levels are achieved. This allows the drug to be taken just once a day and to be taken at a lower dosage, compared to most other amoxicillin products.

When and How to Take It

Some general considerations for those taking amoxicillin ER include the following:
  • Amoxicillin ER comes in tablet form. It is taken by mouth once a day.
  • Your dose should be taken within one hour after finishing a meal.
  • Swallow the tablets whole. Do not break, crush, chew, or dissolve them.
  • Make sure to finish your prescription. Usually, it is taken for a full 10 days.
  • For the medication to work properly, it must be taken as prescribed. Amoxicillin ER may not work adequately or bacterial resistance may develop if you stop taking it too soon.
A Dose of Reassurance for Parents of Picky Eaters

Amoxicillin ER Drug Information

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