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MedicinesLearn

Medicine library

43 medicines and when they work best in your day.

Type of medicine

Best time of day

7 results

Melatonin

Circadin, supplements

1–2 h before bedtime

Brain, mood & sleepStrong evidence

Zolpidem

Ambien, Stilnox

Immediately before bed

Brain, mood & sleepStrong evidence

Fluoxetine

Prozac

Morning

Brain, mood & sleepModerate evidence

Mirtazapine

Remeron

Bedtime

Brain, mood & sleepStrong evidence

Methylphenidate

Ritalin, Concerta

Morning (immediate-release also at midday)

Brain, mood & sleepStrong evidence

Donepezil

Aricept

Bedtime (or morning if dreams disturb sleep)

Brain, mood & sleepModerate evidence

Lithium

Priadel, Lithobid

Evening (once daily)

Brain, mood & sleepModerate evidence

For education only

Chronodose summarises published research on medicine timing. It is not medical advice. Always talk to your doctor or pharmacist before changing when or how you take a medicine.

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