Ibuprofen is a widely used medication for managing pain, reducing inflammation, and lowering fever. However, it is crucial to administer the right dosage, particularly based on an individual’s weight. This ensures effectiveness while minimizing the risk of side effects. In this guide, we will discuss the recommended ibuprofen dosage by weight for both children and adults, how to calculate it, and important safety precautions to consider.
Ibuprofen Dosage for Adults
For adults, the typical ibuprofen dosage is based on a standard dose of 200–400 mg every 4–6 hours as needed. However, the maximum daily dose should not exceed 1200 mg without a doctor’s guidance.

In general, the dosage for adults doesn’t change much with weight unless prescribed by a doctor. Below is a simple table that outlines the standard dosage:
Condition | Ibuprofen Dosage |
---|---|
Mild to Moderate Pain | 200–400 mg every 4–6 hours |
Fever | 200–400 mg every 4–6 hours |
Maximum Daily Dose | Do not exceed 1200 mg (unless prescribed differently) |
Ibuprofen Dosage for Children Based on Weight
Children’s ibuprofen dosage is more weight-dependent, as the correct dose varies significantly with age and body weight. The general guideline is 10 mg of ibuprofen per kilogram of body weight, given every 6–8 hours as needed. Below is a detailed chart showing ibuprofen dosage based on a child’s weight:
Ibuprofen Dosage Chart for Children
Child’s Weight | Ibuprofen Dose (10 mg/kg) | Typical Dose |
---|---|---|
10 kg (22 lbs) | 100 mg | 5 mL of 100 mg/5 mL liquid |
15 kg (33 lbs) | 150 mg | 7.5 mL of 100 mg/5 mL liquid |
20 kg (44 lbs) | 200 mg | 10 mL of 100 mg/5 mL liquid |
25 kg (55 lbs) | 250 mg | 12.5 mL of 100 mg/5 mL liquid |
30 kg (66 lbs) | 300 mg | 15 mL of 100 mg/5 mL liquid |
Ibuprofen is an effective pain reliever when used correctly. Dosage based on weight ensures both safety and efficacy. For adults, the dosage is generally based on standard recommendations, while for children, precise measurements based on body weight are necessary.
Always follow the instructions carefully, consult a healthcare provider when in doubt, and ensure that ibuprofen is used responsibly to avoid potential risks.
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