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Terms Of Use

MELATONIN

Brand Name(s) : Circadin
Warnings
Uses
Side Effects
Precautions
Interactions
Overdose

MELATONIN WARNINGS

Melatonin should be used with caution in: children and patients with kidney problems.

It should not be used in: patients with liver problems, pregnant women or women who are or breastfeeding, or anyone with an autoimmune disease (diseases where the body mounts an immune response against its own normal cells and tissues).

Also see list of precautions and interactions.

STORAGE

Protect from light and store below 25°C.

MELATONIN USES

What is it used for?

  • Melatonin is used to treat sleeplessness (insomnia).
  • It is a sort of hormone, a chemical that is produced naturally in the body.
  • It is used to treat insomnia.
  • In general this drug is used to treat insomnia, but only in the short term, and in those aged at least 55 years of age.
  • Benefits of being on this drug can include relief from insomnia.

Listed below are the typical uses of melatonin.

  • Short-term treatment of insomnia characterised by poor quality of sleep in patients who are aged 55 years or older.

On occasion your doctor may prescribe this medicine to treat a condition not on the above list.

HOW TO USE/TAKE

How often do I take it?

  • Take this medication by mouth, usually once-daily after eating, and 1–2 hours before going to bed. Swallow tablets whole.
  • This medication may be taken for up to 13 weeks.
  • Remember to use it at the same time each day - unless specifically told otherwise by your doctor.
  • It may take a few hours before the full benefit of this drug takes effect.
  • Certain medical conditions may require different dosage instructions as directed by your doctor.

What dose?

  • Dosage is based on your age, gender, medical condition, response to therapy, and use of certain interacting medicines.

Do I need to avoid anything?

  • You may need to avoid driving or operating machinery as this medication may cause daytime sleepiness. Consult your doctor or pharmacist for more details.

When can I stop?

  • This medication is usually prescribed for short-term use and may be taken for up to 13 weeks.

MELATONIN SIDE EFFECTS

This is not a complete list of possible side effects. If any of these persist or you consider them severe then inform your doctor.

Tell your doctor immediately if you develop any of the following symptoms: none.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), dizziness, trouble breathing.

This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.

The Yellow Card Scheme allows you to report suspected side effects from any type of medicine (which includes vaccines, herbals and over the counter medicines) that you are taking. It is run by the medicines safety watchdog called the Medicines and Healthcare products Regulatory agency (MHRA). Please report any suspected side effect on the Yellow Card Scheme website.

MELATONIN PRECAUTIONS

Before taking melatonin, tell your doctor or pharmacist if you are allergic to it; or to other hormones; or if you have any other allergies.

This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: liver problems or an autoimmune disease (diseases where the body mounts an immune response against its own normal cells and tissues).

Before using this medication, tell your doctor or pharmacist your medical history, especially any of the following: any liver or kidney problems.

Before having surgery, tell your doctor or dentist that you are taking this medication.

Does alcohol intake affect this drug?

  • Avoid alcohol.

The elderly: melatonin can be used in the elderly.

Pregnancy and breastfeeding - please ensure you read the detailed information below

PREGNANCY

Melatonin is not safe to take if you are, or are planning to become, pregnant.

It is sensible to limit use of medication during pregnancy whenever possible. However, your doctor may decide that the benefits outweigh the risks in individual circumstances and after a careful assessment of your specific health situation.

If you have any doubts or concerns you are advised to discuss the medicine with your doctor or pharmacist.

BREAST FEEDING

Melatonin is not safe to take if you are breastfeeding.

It is sensible to limit use of medication during breastfeeding whenever possible. However, your doctor may decide that the benefits outweigh the risks in individual circumstances and after a careful assessment of your specific health situation.

If you have any doubts or concerns you are advised to discuss the medicine with your doctor or pharmacist.

MELATONIN INTERACTIONS

Your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with them first.

This drug should not be used with the following medications because very serious, possibly fatal interactions may occur:

  • Fluvoxamine (an antidepressive).

If you are currently using any of these medications, tell your doctor or pharmacist before starting melatonin.

This information does not contain all possible interactions. Therefore, before using melatonin, tell your doctor or pharmacist of all the products you use.

MELATONIN OVERDOSE

If an overdose occurs, drowsiness is to be expected. No special treatment is required.

If you think you, or someone you care for, might have accidentally taken more than the recommended dose of melatonin or intentional overdose is suspected, contact your local hospital, GP or if in England call 111. In Scotland call NHS 24. In Wales, call NHS Direct Wales. In the case of medical emergencies, always dial 999.

MISSED DOSE

Melatonin must only be taken at bedtime. If you forget to take your tablet at bedtime, then you should not take it at any other time, otherwise you may feel drowsy, dizzy and confused during the day. Do not take a double dose to make up for a forgotten dose.

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Source: Selected from data included with permission and copyrighted by Boots UK Limited or TicTac Communications Ltd. This copyrighted material is sourced from a licensed data provider and is not for distribution, except as may be authorised by the applicable terms of use.
CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgement of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse events, nor should it be construed to indicate that use of a particular medicine is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any medicine, changing any diet, or discontinuing any course of treatment.

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