Augmentin dosage guide: how much to take and when
Choosing the right dose of Augmentin (Amoxicillin/Clavulanate) is the most important practical decision after starting therapy. Augmentin is supplied as tablet, extended-release tablet, oral suspension, chewable tablet in 500/125mg, 875/125mg, 1000/62.5mg, and the right dose for a given person depends on the indication, age, comorbidities and tolerance to the active ingredient Amoxicillin, Clavulanate.
Starting dose and titration
According to the prescribing information, most adults begin Augmentin at the lowest available strength of 500/125mg, 875/125mg, 1000/62.5mg and titrate up only if symptom control is insufficient and tolerability is good. Higher doses are reserved for selected cases. Older adults, people with renal or hepatic impairment, and those taking interacting medications should usually start at the lowest dose.
When to adjust
Dose adjustment is guided by symptom response and side effect burden, not by arbitrary schedules. Amoxicillin inhibits bacterial cell wall synthesis by binding to penicillin-binding proteins (PBPs), but is hydrolysed by beta-lactamase enzymes produced by some resistant bacteria. If side effects are limiting at a given dose, going down a step is usually preferred over stopping abruptly. If the response is incomplete after several weeks, a higher dose can be tried under medical supervision.
Frequently asked questions
What is the standard starting dose of Augmentin? ▾
Most adults start Augmentin at the lowest strength of 500/125mg, 875/125mg, 1000/62.5mg, with adjustment based on symptom response and tolerance. Older adults and those with reduced kidney or liver function generally start lower. The prescriber decides the exact starting dose for each person.
Can I take a higher dose of Augmentin if it isn't working? ▾
Higher doses of Augmentin should only be used after consulting the prescriber. Doubling on your own is unsafe, especially with active ingredients in the Antibiotics class. The prescriber can confirm whether titration is appropriate or whether the medication needs to be changed.
More on Augmentin
- With alcoholAugmentin and alcohol — is it safe to drink?
- With foodShould Augmentin be taken with food?
- Side effectsAugmentin side effects: common, rare and warning signs
- OnsetHow fast does Augmentin start working?
- DurationHow long does Augmentin last?
- Missed doseWhat to do if you miss a dose of Augmentin
The information on this website is provided for reference and educational purposes only. It does not replace consultation with a qualified healthcare professional.