Natural hormone tablets (melatonin)
The body produces a natural hormone called melatonin the level of which goes up and down in a cycle over each day. Melatonin helps to regulate sleep and wakefulness. Boosting the amount of this hormone in the body in the evening reduces tiredness in the day and restlessness at night. Studies on the use of natural hormone for the treatment of jet lag.
It is licensed in the UK only as a short term treatment for insomnia, but not for jet lag. It is, however, used throughout the world to treat jet lag.
The manufacturer's patient information leaflet supplied with this medicine does not include information about the treatment of jet lag. We therefore include a separate packet insert about taking Circadin for the treatment of jet lag - see printable PDF.
Jet Lag occurs when flights cross 3 or more hours in time zones. Jet Lag tends to be worse when flying East, for example to Thailand and Asia, than when traveling West.
How to takeTake one natural hormone tablet daily in the evening on arrival at destination. Take the tablet close to the time you want to sleep, usually around 10pm in the evening local time. Use once each evening until a new sleep pattern is established. Should not be used continuously for more than five days. One prescription pack will cover four courses of treatment.
Cautions and side effects of Circadin
The treatment is unlikely to cause side effects but if taken during the day it may cause drowsiness and affect driving. Those already taking sedative medication may find the affect compounded. Other side effects include sore throat, backache, tiredness and headache. A full list can be found in the natural hormone patient information leaflet.
This jet lag treatment is not suitable for people diagnosed with liver disease, pregnant and breastfeeding women, and people already taking sedative medication and the antidepressant fluvoxamine.
Circadin 2mg Patient Information Leaflet
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