Amoxicillin Dosage Calculator is a free online medical tool that helps you calculate the correct dose of Amoxicillin for both children and adults. Whether you need the dosage in Syrup, Tablet, Capsule, or IV form — this calculator gives you accurate weight-based results instantly. Simply enter the patient's weight, age, and infection type, and get the recommended dose in seconds. No medical textbook needed — fast, accurate, and easy to use. How to Use: Select the Patient Type — Child or Adult Enter the Patient's Weight in kg Select the Infection Type (Mild, Moderate, or Severe) Choose the Dosage Form — Syrup, Tablet, Capsule, or IV Click the Calculate Dose button You will instantly see the recommended dose with frequency Always consult your doctor before giving any medication Note: This calculator is for informational purposes only. Always follow your doctor's prescription. FAQ Q1: Is this Amoxicillin Dosage Calculator a replacement for a doctor's prescription? No, this calculator is strictly an informational tool designed to help you understand weight-based dosage guidelines for Amoxicillin. It is not a substitute for professional medical advice, diagnosis, or prescription. Every patient's medical history, allergies, kidney function, and other factors can affect the correct dose. Always consult a licensed doctor or pharmacist before giving Amoxicillin to yourself, a child, or any other patient. Q2: Why does the calculator ask for weight instead of just age to determine the dose? Amoxicillin dosing — especially for children — is calculated based on body weight in kilograms, not age alone. Two children of the same age can have very different body weights, and giving the wrong dose based on age alone can result in underdosing, which fails to clear the infection, or overdosing, which can cause side effects. Weight-based dosing ensures the most accurate and safe result for each individual patient. Q3: What is the difference between Mild, Moderate, and Severe infection types in the calculator? The infection type determines how high a dose is needed. Mild infections such as minor ear infections or throat infections typically require a lower dose given less frequently. Moderate infections need a mid-range dose, while severe infections such as pneumonia or serious urinary tract infections may require a higher dose or even IV administration. Selecting the correct infection severity ensures the calculator gives you a clinically appropriate dosage recommendation. Q4: Can this calculator be used for infants and very young children? The calculator is designed to handle pediatric weight-based dosing, but extra caution is strongly advised for infants under 3 months of age. Newborns and very young infants have immature kidney and liver function, which affects how their bodies process antibiotics. For any child under 3 months, dosage should only be determined by a pediatrician. Never rely solely on any online calculator for infants without direct medical supervision. Q5: Why are there different dosage forms like Syrup, Tablet, Capsule, and IV available in the calculator? Different patients require different delivery methods depending on their age, ability to swallow, severity of infection, and clinical setting. Syrup is most commonly used for young children who cannot swallow tablets. Tablets and capsules are standard for older children and adults with mild to moderate infections. IV administration is typically reserved for severe infections or hospital settings where faster absorption is needed. The calculator adjusts the recommended dose based on the form you select so the result is relevant to your specific situation.