Melatonin Dosing Guidance

Use this tool to review recommended starting doses, safe maximums, and titration increments for melatonin in pediatric and adult patients.

Increase dose gradually. Avoid very high doses without guidance.

Recommendation

Suggested range

1–10 mg nightly

Most adults respond to 1–3 mg; avoid >10 mg without clinician supervision.

Titration suggestion

Current dose 0.0 mg is outside the suggested range.

Next dose: 1.0 mg (increase by 1 mg if needed, not exceeding 10 mg).

Start melatonin 30–60 minutes before bedtime. Combine with good sleep hygiene (dark environment, consistent bedtime, limited screens). Avoid chronic high doses without medical supervision.

How to Use This Calculator

1

Select the patient age group

Melatonin data differs for children vs adults. Avoid in infants unless advised.

2

Enter the current or planned dose

The calculator provides a recommended range and titration guidance.

3

Review sleep hygiene measures

Melatonin complements behavioral sleep strategies; ensure bedtime routines are optimized.

Formula

No strict mg/kg formula; dosing is standardized by age group. Start low, titrate carefully.

Guidance references: American Academy of Sleep Medicine, pediatric sleep medicine literature.

Frequently Asked Questions

Is melatonin safe long term?

Short-term use is generally safe. Long-term data limited—consult healthcare providers for chronic use.

Can melatonin help jet lag?

Yes—take 0.5–5 mg near target bedtime for several nights when traveling across time zones.

Any drug interactions?

Moderate interactions with anticoagulants, anticonvulsants, immunosuppressants. Consult pharmacists.

What about delayed-release melatonin?

Extended-release forms help with sleep maintenance; typical adult dose 2 mg ER nightly.

Does melatonin work for ADHD-related insomnia?

Evidence supports melatonin 3–6 mg nightly in children with ADHD. Coordinate with pediatrician.