Augmentin ranks among the most commonly prescribed antibiotics due to its efficacy in treating a variety of infections in the skin, urinary tract, and respiratory system. In the United States alone, it accounts for a substantial portion of antibiotic prescriptions, with over 6 million prescriptions dispensed annually. 

However, suggested Augmentin dosage and frequency depend on numerous factors. Accurate dosing is crucial for successful treatment and minimizing side effects. This article makes it simple. Read to learn everything you need to know about Augmentin dosage. Nevertheless, following a healthcare provider’s instructions is crucial.

Dosage forms and strengths

Augmentin contains Amoxicillin and Clavulanic acid, where Amoxicillin fights bacteria, and Clavulanic acid helps Amoxicillin work better. It comes in various dosage forms and strengths to cater to different age groups and treatment needs:

  • Tablets: Available in 250mg, 500mg, and 875mg strengths, with Amoxicillin and Clavulanic acid in specific ratios
  • Chewable tablets: Ideal for children who have difficulty swallowing tablets, available in specific strengths
  • Suspension: Available in various strengths, often prescribed for infants and young children, as the dosage can be easily measured

You can buy Augmentin tablets with different strengths and dry syrup at affordable prices from WowRxPharmacy.

Fact:
Due to its antibiotic properties, Augmentin can even be used to treat Sexually Transmitted Diseases (STDs).

Several factors determine the dosage of Augmentin. Age is an important factor as children often require different amounts than adults due to metabolic differences and body weight. 

The type of infections being treated and their severity can also influence the dosage, with more severe infections typically necessitating greater doses or longer treatment periods. 

Additionally, individual characteristics such as renal function and underlying health issues might also contribute to assessing the Augmentin dosage by doctors.

Below is a brief discussion of the dosages of Augmentin.

Augmentin dosage for adults

The recommended dosage of Augmentin for adults is:

  • For mild to moderate infections, the usual adult dose is one 500-mg tablet of Augmentin every 12 hours or one 250-mg tablet every 8 hours
  • For more severe infections and infections of the respiratory tract, the recommended adult dose is one 875-mg tablet of Augmentin every 12 hours or one 500-mg tablet every 8 hours
  • Adults who have difficulty swallowing may be given the 125 mg/5 mL or 250 mg/5 mL oral suspension in place of the 500-mg tablet or the 200 mg/5 mL or 400 mg/5 mL suspension in place of the 875-mg tablet

Note that the 250-mg tablet of Augmentin and the 250-mg chewable tablet are not interchangeable, as they do not contain the same amount of Clavulanic acid. Additionally, patients with renal impairment may require dose adjustments depending on the severity of the impairment

The recommended dosage of Augmentin for children is as follows:

For children aged 12 weeks (3 months) and older

For children with Otitis media, Sinusitis, lower respiratory tract infections, and more severe infections:

  •  45 mg/kg/day every 12 hours
  •   40 mg/kg/day every 8 hours

For less severe infections:

  • 25 mg/kg/day every 12 hours
  • 20 mg/kg/day every 8 hours

For children weighing 40 kg or more, the dosage should follow the adult recommendations.


For neonates and infants under 12 weeks (3 months) of age


The recommended dose is 30 mg/kg/day divided every 12 hours, based on the Amoxicillin component. The 125 mg/31.25 mg per 5 mL oral suspension is recommended for this age group.

Dosages for different types of infections in adults

Here is a chart depicting common Augmentin dosages for different types of infections or conditions in adults:

Infection/Condition(for Tablets)FrequencyLength of treatment
Lower Respiratory Tract Infections500 mg or 875 mgEvery 12 hoursAround 7-10 days
Acute Bacterial Otitis Media500 mg or 875 mgEvery 12 hoursUsually 5-7 days
Skin and Skin Structure Infections500 mg or 875 mgEvery 12 hoursTypically 5-7 days
Urinary Tract Infections500 mg or 875 mgEvery 12 hoursUsually 3 days
Respiratory Tract Infections500 mg or 875 mgEvery 8 hoursTypically 10 days
Renal Impairment250-500 mgEvery 12 hoursTypically 10 days
Hemodialysis250-500 mgEvery 24 hoursUsually 3 weeks

Note: The dosages and frequencies listed are for adults and may vary based on the specific infection or condition being treated. It’s essential to consult your doctor for specific guidance on the dosing and administration of Augmentin.

Augmentin dosage by weight

Doctor writing a prescription
Doctor writing a prescription

Weight is a crucial factor in determining Augmentin dosage, especially in children. Augmentin dosage may vary by weight, typically 20-60mg/kg/day divided into 2-3 doses.

The dosage of Augmentin based on body weight is:

  • Children weighing less than 25 kg should not be treated with Augmentin tablets
  • Children weighing 25 kg to 40 kg: The recommended single dose varies from 12.5 mg to 20 mg of Amoxicillin per kg body weight and 3.1 mg to 5 mg of Clavulanic acid per kg body weight
  • Adults and children ? 40 kg: The standard dose is one 500 mg/125 mg tablet taken three times a day for those weighing 40 kg or more
Warning:
Do not consume Augmentin more than the prescribed dosage. Overuse of Augmentin can lead to antibiotic resistance and stop working.

Special considerations to remember

Here are some important precautions you need to know before you start using Augmentin: 

  • Kidney function: For impaired kidney function, you may require an adjusted Augmentin dosage to prevent side effects
  • Pregnancy and breast-feeding: Inform if you’re pregnant or breastfeeding before taking Augmentin, as they will determine if it’s safe for you 
  • Never exceed dosage: Taking more Augmentin than prescribed can lead to side effects, like Augmentin rash. Stick to your doctor’s instructions
  • Missed doses:  If you miss one, take the dose as soon as you remember. However, don’t double up if it’s almost time for the next dose. Give the skipped dose a miss and continue with your regular schedule
  • Allergy alert: If you have any allergies, especially to Penicillin or Cephalosporins, inform your doctor before taking Augmentin

Conclusion

Augmentin dosage varies depending on several factors, including age, weight, type of infection, and its severity. It comes in various forms like tablets, chewable tablets, and suspension to suit different needs. 

Adults typically take 500mg or 875 mg tablets every 12 hours, while children’s dosage is calculated based on body weight (mg/kg/day). 

It’s crucial to adhere strictly to prescribed doses and administration schedules, avoiding self-adjustments or doubling doses. Special precautions include considerations for kidney function, pregnancy, breastfeeding, and allergies.

Remember to take Augmentin with meals to enhance absorption and strictly follow your doctor’s instructions regarding dosage and duration to avoid side effects. You must follow your doctor’s instructions for Augmentin dosage and always consult them for any questions or concerns. For a hassle-free experience, consider WowRx for your Augmentin needs.

Frequently Asked Questions

Can you reduce Augmentin dosage?

Yes, your doctor may adjust the dosage based on factors like the severity of the infection and your response to treatment. Reducing your dosage without a doctor’s advice is not recommended. It may lead to ineffective treatment or antibiotic resistance.

Does Augmentin come in different dosages?

Yes, Augmentin is available in various dosages, ranging from 250mg to 875mg, including tablets, liquid suspensions, and injectables, to suit different treatment needs. They are prescribed depending on the type of infection and formulation,

What is the lowest dosage for Augmentin?

The lowest dosage for Augmentin typically consists of 250 mg of Amoxicillin combined with 125 mg of Clavulanic acid, given every 8 hours for mild to moderate infections. Dosage may vary depending on the seriousness of the infection and individual factors.

How should Augmentin be stored?

Store Augmentin in a cool, dry place. Keep it away from direct sunlight, heat, and moisture. Avoid exposure to light. Keep it out of reach of children and pets. Do not refrigerate or freeze.

Citations:
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