Antibiotics Home > Augmentin Dosage

The usual dose of Augmentin for adults and children weighing more than 88 pounds is one 500-mg tablet every 12 hours or one 250-mg tablet every 8 hours. For severe infections, you may need one 875-mg tablet every 12 hours or one 500-mg tablet every 8 hours. Dosing for smaller children is determined by other factors, including weight.

An Introduction to Dosing With Augmentin

The dosage of Augmentin® (amoxicillin and clavulanate potassium) your healthcare provider recommends will vary, depending on a number of factors, including:
  • The type of infection and bacteria
  • Your age and weight
  • The particular Augmentin product
  • Other medical conditions you may have
  • Other medications you may be currently taking.
As always, do not adjust the dose unless your healthcare provider specifically instructs you to do so.

Augmentin Dosage for Children and Infants

Your child's healthcare provider will calculate your child's Augmentin dose by considering several factors, including your child's weight, the severity of the infection, and the particular Augmentin product (different products can contain different amounts of clavulanate potassium, even if the amoxicillin dosage is the same).

Augmentin Doses for Adults and Larger Children

Children weighing 40 kg (88 pounds) or more are given the same dose as adults. The usual dosage is one 500-mg tablet of Augmentin every 12 hours or one 250-mg tablet every 8 hours. For more severe infections, one 875-mg tablet every 12 hours or one 500-mg tablet every 8 hours may be recommended.
It is important to note that two 250-mg Augmentin tablets are not equivalent to one 500-mg tablet (they contain the same amount of amoxicillin, but not the same amount of clavulanate potassium).
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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