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Amoxicillin Pediatric Dosage Calculator

Amoxicillin Pediatric Dosage Calculator









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The amoxicillin pediatric dosage calculator determines the dosage for  children and adults based on weight or common infection indications.

What is Amoxicillin?

Amoxicillin is an antibiotic prepared by penicillin and it is recommended in treating different types of bacterial infections like tonsillitis, bronchitis, UTIs, and pneumonia.

The type of amoxicillin dosage pediatric can be liquid, tablet, or capsule of oral dosage.

Amoxicillin is specially manufactured to kill bacteria or prohibit further growth. It can be used to treat bacterial diseases in adults and children. Amoxicillin is a salt used around the world, one of the most prescribed drugs in the USA, and one of the most popular antibiotics.

This can be a difficult task to identify your prescribed potency, but it can be easy for caretakers to use the amoxicillin pediatric dosage calculator. When you are able to understand the functionality of the amoxicillin dose by weight, it can be simple to identify your prescribed dosage.

Amoxicillin Dosage Chart:

The amoxicillin dosage chart by weight for adults and children can be drawn by the condition of the patient and age. The other factor here is the dosage amount and the frequency of the dosage. When you are using the amoxicillin dose calculator, it can be easy for you to find the amoxicillin dose according to the 4 factors mentioned above.


Condition Age Dosage Frequency 
Acute otitis media (AOM) Any age + severe sx 80-90 mg/kg/day

To a max of 4 g/day

q8h x 10 days
2mo – 2yo q12h x 10 days
q8h x 10 days
2-5yo q12h x 7 days
q8h x 7 days
≥6yo q12h x 5-7 days
q8h x 5-7 days
Pneumonia ≥3mo 90 mg/kg/day

To a max of 4 g/day

q8h x 7-10 days
Acute bacterial rhinosinusitis Low-dose ≥2yo 45 mg/kg/day

To a max of 4 g/day

q12h x 5-10 days
High-dose ≥2yo 80-90 mg/kg/day

To a max of 4 g/day

q8h x 7-10 days
Group A streptococcal tonsillopharyngitis 3-18yo 50 mg/kg/day

To a max of 1 g/day

q12h x 10 days
Urinary tract infection (UTI) Any age 40 mg/kg/day

To a max of 1.5 g/day

q8h x 7 days


How do we Express the Pediatric Dose?

Pediatric doses are often expressed as mg/kg/day or mg/kg/dose. The amoxicillin dosage for adults is larger in quantity as compared to the amoxicillin dose for kids. If you are not able to determine the frequency of the medicine, It is better to use the Amoxicillin pediatric dosage calculator after consulting the physician. The overdose of Amoxicillin can be a cause or a side effect like cramps in the stomach.

Amoxicillin Dosage Pediatric:

Amoxicillin Dosage Pediatric can be taken in various forms

  • Capsules 
  • Powder
  • Suspension
  • Tablets

 There can be different dosages for bacterial infections for adults and kids. The amoxicillin dosage for adults and amoxicillin dose for kids is different in their quantity and we are specifying this in the following paragraph:

For Bacterial Infection:

When we are specifying the Amoxicillin dosage then we need to identify the dosage according to the weight of the patient. 

Amoxicillin Dosage for Adults:

The amoxicillin dosage by weight can be distinguished as when the weight is 40 Kg or more then we can increase the dosage greater of 500 mg for every 8 hours and the amoxicillin dosage chart by weight for adults presented above have all the frequencies.

Amoxicillin Dosage for Kids:

The Amoxicillin Dose for Kids weighing less than 40 kg as dosage based on their weight. The normal dosage is 20 to 40 milligrams of body weight and it is given every 8 hours per day. If the quantity is increased by 25 to 45 mg per kg of the body, then the dosage is given every 12 hours per day.

Amoxicillin Dose for Infants:

The amoxicillin pediatric dosing for infants 3 months or young is also based on their weight. It is recommended to consult the doctor before exposing the infants to Amoxicillin.The Usual dose is 30 mg per Kg and the dosage is prescribed after 12 hours.

Amoxicillin Dosage by Weight:

The amoxicillin dosage can be changed by the increasing weight of the child. We can use the amoxicillin dosage for strep throat or use simple oral passages for infants. The amoxicillin pediatric dosing for various weights of the children are given below:


Age Weight Strength mg ml Dosage
1-month 4.5Kg amoxicillin 125mg/5ml dosage for child 67.5 – 135 2.7 – 5.4 3 Times Per Day
3 month 7 Kg amoxicillin 250mg/5ml dosage for child 105 – 210 2.1 – 4.2 3 Times Per Day
6 month 15 Kg amoxicillin 250mg/5ml dosage for child 225 – 450 4.5 – 9 3 Times Per Day
2 years 15 kg amoxicillin dosage for 2 year old 255 – 510 5.1 – 10.2 3 Times Per Day
5  year 20 kg amoxicillin 250mg/5ml dosage for child 300 – 600 6 – 12 3 Times Per Day
10  year 30 Kg amoxicillin 400mg/5ml dosage for child 450 – 900 5.625 – 11.25 3 Times Per Day
15  year 35 Kg amoxicillin 400 mg/5 ml susp dosage for child 525 – 1050 6.5625 – 13.125 3 Times Per Day
16 years 40 Kg amoxicillin 250mg/5ml dosage for child 600 – 1200 12 – 24 3 Times Per Day
17 years 50 Kg amoxicillin 400 mg/5 ml susp dosage for child 750 – 1500 9.375 – 18.75 3 Times Per Day


Amoxicillin Pediatric Dosage Calculator, Working:

We can use the Amoxicillin dose Calculator by the following instructions:


  • Enter the age in Weeks, Months, or Years
  • Submit  the weight in Kg, Lb or Stones
  • Choose the strength of Dosage
  • Select the Indication of Dosage
  • Add the Route of Dosage
  • Check your Dosage(Optional)
  • Hit the calculate button to find Amoxicillin dosage


The Amoxicillin pediatric dosage calculator calculates the below-mentioned measurements.

  • Recommended dosage of Amoxicillin
  • Quantity of dosage in mg or ml 


What is the Maximum Dose of Amoxicillin in Pediatrics?

The maximum amoxicillin dosage pediatric can be 4g per day. We can divide this dosage into 500 mg per dosage. When using the IV (Intravenous route), the maximum dosage can be 1g per day. Amoxicillin pediatric dosing calculator makes it possible to find the dosage per day.

What are the Side Effects of Overdose of Amoxicillin in Children?

Symptoms of the overdose of Amoxicillin are nausea, vomiting, diarrhea, and belly pain. It’s essential to utilize online amoxicillin doses for kids, as the overdose can cause renal failure. The treatment of amoxicillin overdose is hemodialysis, effective to use the amoxicillin pediatric dosing calculator to avoid the side effects of overdose.

Is Amoxicillin Considered a Strong Antibiotic?

Amoxicillin is considered a broad-range, antibiotic and is used to treat a wider variety of bacterial infections. Amoxicillin is better to recombine with a beta-lactamase inhibitor, such as clavulanic acid, to make it even more suitable for the patients. The Amoxicillin calculator  makes it a simple task of finding the dosage of the Amoxicillin.

What can Amoxicillin not Treat?

Antibiotics such as amoxicillin not for the viral infections like colds, flu, and other viral infections.

How Many Days should I Take Amoxicillin 500mg?

Amoxicillin is typically taken for five to 10 days or until the infection is cleared. Bacterial diseases are usually treated with amoxicillin 500mg, it can be a better amoxicillin dosage calculator.

What are the Side Effects of Amoxicillin?

The amoxicillin dosage pediatric has certain common side effects:

  • Abdominal or stomach cramps or tenderness.
  • Back, leg, or stomach pains.
  • Black, tarry stools.
  • Blistering, peeling, or loosening of the skin.
  • Bloating.
  • Blood in the urine.
  • Bloody nose.
  • Chest pain.

Can I Drink Coffee with Amoxicillin?

No connection was found between amoxicillin and caffeine for patients, but use the amoxicillin pediatric dosage calculator to avoid overdose.

Can I take Amoxicillin on an Empty Stomach?

You can take it with or without food as it has no connection with the food. If it is upsetting your stomach, take it with food as an empty stomach is usually more reactive for the amoxicillin dose by weight. Use the amoxicillin dosage calculator adults when you are taking the Amoxicillin.


The amoxicillin pediatric dosing calculator makes the task of finding our infant and children’s prescribed dosage of Amoxicillin. This helps to avoid overdosing. If you are a caregiver, recheck the dosage prescription to the Doctor before taking the dosage. 


All the amoxicillin pediatric dosage calculator calculations were made on the predefined estimation, consult the Doctor before deciding the specific dose of Amoxicillin.


From the source of Wikipedia: Amoxicillin,Medical uses

From the source of Amoxicillin, Why is this medication prescribed