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Trusted Medication Dosage Guides

Comprehensive, source-backed dosage information for the most common over-the-counter medications. Safe dosing for adults and children.

Source-Backed Information

Every dosage recommendation is backed by FDA guidelines, Mayo Clinic, and peer-reviewed sources.

Easy-to-Read Guides

Clear dosage tables, color-coded safety levels, and plain language explanations for every medication.

Adult & Children Dosing

Age-specific and weight-based dosing charts for safe medication use across all age groups.

Medication Dosage Guides

Select a medication below to view complete dosage information, safety warnings, and frequently asked questions.

Ibuprofen

Ibuprofen

Ibuprofen is an NSAID used to reduce fever, pain, and inflammation in adults and children.

Headaches and migraines
Dental pain and toothaches
Menstrual cramps (dysmenorrhea)
Muscle aches and sprains

Melatonin

Melatonin

Melatonin is a naturally occurring hormone used as a supplement to help regulate sleep-wake cycles and treat insomnia.

Insomnia and difficulty falling asleep
Jet lag
Delayed sleep-wake phase disorder
Shift work sleep disorder

Advil

Ibuprofen

Advil is a leading brand of ibuprofen used to relieve pain, reduce inflammation, and lower fever.

Headaches and migraines
Muscle aches and body pain
Toothaches and dental pain
Menstrual cramps

Tylenol

Acetaminophen

Tylenol is the leading brand of acetaminophen, used to treat pain and reduce fever for all ages.

Headaches and tension headaches
Muscle aches and body pain
Toothaches
Back pain

Motrin

Ibuprofen

Motrin is a trusted brand of ibuprofen widely used for pain relief, fever reduction, and inflammation in adults and children.

Headaches and migraines
Muscle and body aches
Toothaches
Back pain

Dosage Calculator

Use our weight-based dosage calculator to estimate the appropriate dose. Always confirm with your healthcare provider.

Dosage Calculator

Estimate a weight-based dose for reference purposes only.

Important: This calculator provides rough estimates for informational purposes only and does not constitute medical advice. It is not a substitute for professional medical guidance. Always consult a doctor or pharmacist for personalized dosing, especially for children, elderly patients, or individuals with medical conditions. If you are ill, seek medical attention immediately.

Drug Comparisons

Side-by-side comparisons to help you understand the differences between common pain relievers.

Tylenol vs Advil

Compare dosages, side effects, and uses of Tylenol and Advil.

View Comparison

Ibuprofen vs Tylenol

Compare dosages, side effects, and uses of Ibuprofen and Tylenol.

View Comparison

Acetaminophen vs Ibuprofen

Compare dosages, side effects, and uses of Acetaminophen and Ibuprofen.

View Comparison

Latest Articles

Evidence-based articles about medication safety, dosing, and health.

While ibuprofen can technically be taken without food, doing so increases the risk of stomach irritation. Learn how to minimize side effects and protect your stomach.

Ibuprofen typically begins working within 20 to 30 minutes, with peak effects at 1 to 2 hours. Learn what factors influence how quickly it works.

Both ibuprofen and acetaminophen are effective for headaches, but which one should you choose? This evidence-based comparison helps you decide.

Taking Tylenol and ibuprofen together is safe and often recommended for better pain relief. Learn the proper way to combine or alternate these medications.

Important Medical Disclaimer

The information provided on DosageGuide.com is intended strictly for informational and educational purposes only and does not constitute medical advice, diagnosis, or treatment. This content is not a substitute for professional medical advice from a licensed physician, pharmacist, or other qualified healthcare provider.

If you are ill, experiencing symptoms, or have any health concerns, consult a doctor or qualified healthcare professional immediately. Never disregard professional medical advice or delay seeking it because of something you have read on this website.

Dosage information may vary based on individual factors including age, weight, medical history, and other medications. Always verify dosages with your healthcare provider or pharmacist before use. DosageGuide.com assumes no liability for actions taken based on the information provided on this site.