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LEVOTHYROXINE

25 micrograms/5 ml, 50 micrograms/5 ml AND 100 micrograms/5 ml ORAL SOLUTION levothyroxine sodium

PACKAGE LEAFLET: INFORMATION FOR THE USER

Read all of this leaflet carefully before you start taking this

medicine because it contains important information for you.

•    Keep this leaflet. You may need to read it again.

•    If you have any further questions, ask your doctor or pharmacist.

•    This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their signs of illness are the same as yours.

•    If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet.

IN THIS LEAFLET:

1.    What Levothyroxine Oral Solution is and what it is used for

2.    What you need to know before you take Levothyroxine Oral Solution

3.    How to take Levothyroxine Oral Solution

4.    Possible side effects

5.    How to store Levothyroxine Oral Solution

6.    Contents of the pack and other information

OWHAT LEVOTHYROXINE ORAL SOLUTION IS AND WHAT IT IS USED FOR

Levothyroxine Oral Solution is used to treat hypothyroidism, a condition in which the thyroid gland is underactive and so does not make enough thyroxine for the body's needs.

Levothyroxine Oral Solution is also used to treat thyroid cancer and diffuse non-toxic goitre or Hashimoto's thyroiditis, conditions in which the thyroid gland becomes enlarged causing a swelling in the front of the neck.

©WHAT YOU NEED TO KNOW BEFORE YOU TAKE LEVOTHYROXINE ORAL SOLUTION

Do NOT take Levothyroxine Oral Solution:

• If you are allergic to levothyroxine or any of the other ingredients of this medicine (listed in section 6)

• If you suffer from adrenal insufficiency and you do not have adequate corticosteroid cover • If you have a heart attack (acute myocardial infarction), inflammation of the heart muscle (acute myocarditis) or inflammation of the sac surrounding the heart (acute pancarditis)

• If you are pregnant do not take this medicine in combination with other medicines to treat hyperthyroidism (see the section on Pregnancy and breast-feeding).

Warnings and precautions

Talk to your doctor before taking Levothyroxine Oral Solution: • If you have heart disease, problems with your circulation or high blood pressure

• If you are suffering from an overactive thyroid gland (hyperthyroidism), an underactive adrenal gland, diabetes, or have had an underactive thyroid gland for some time.

Other medicines and Levothyroxine Oral Solution

Please tell your doctor or pharmacist if you are taking, have recently taken or might use any other medicines. Levothyroxine can interfere with the action of some other drugs and some drugs can have an effect on Levothyroxine.

In particular tell your doctor or pharmacist if you take the following drugs:

• medication to stop your blood clotting (for example Warfarin)

• medication for depression (for example Sertraline, Imipramine, Amitriptyline)

• medication for epilepsy (for example Phenytoin, Phenobarbital, Carbamazepine)

• medication for diabetes

• Rifampicin (for infections, particularly tuberculosis)

• Digoxin or Amiodarone (for your heart)

• Propranolol (for high blood pressure), Lovastatin (for high cholesterol levels) or Phenylbutazone or Aspirin (anti-inflammatory drugs)

• oestrogen, oestrogen containing products and oral contraceptives, androgens or corticosteroids • sucralfate, Cimetidine or aluminium hydroxide for a stomach ulcer, Colestyramine to lower your cholesterol levels, or calcium carbonate or iron supplements

•    Chloroquine or proguanil for the prevention of malaria

•    Protease inhibitors (for example ritonavir, indinavir and lopinavir) used to treat HIV

•    Sevelamer (used to treat high levels of phosphate in the blood in patients with renal failure)

•    Tyrosine kinase inhibitors (for example imatinib and sunitinib) used to treat cancer

•    Propylthiouracil (used to treat hyperthyroidism)

•    Beta-sympatholytics (used to treat cardiac arrest and low blood pressure)

•    Glucocorticoids (steroid hormones used to treat adrenal insufficiency and other diseases)

•    Soy-containing products (these can decrease absorption of levothyroxine).

Let your doctor or pharmacist know. Levothyroxine Oral Solution can be taken with these medicines but not at the same time.

If you go into hospital to have an operation, tell the anaesthetist or the medical staff that you are taking Levothyroxine Oral Solution. It may react with an anaesthetic (Ketamine) which you may be given before an operation. Please tell your doctor if you are taking or have recently taken any other medicines, including medicines obtained without a prescription.

Levothyroxine Oral Solution with food, drink and alcohol

You should take your Levothyroxine Oral Solution on an empty stomach, usually before breakfast.

Pregnancy and Breast-Feeding

Ask your doctor or pharmacist for advice before taking any medicine.

If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.

If you are pregnant while taking this medicine your doctor will monitor you closely.

Driving and using machines

Your medicine is unlikely to affect your ability to drive or to operate machinery.

Levothyroxine Oral Solution contains methyl parahydroxybenzoate and glycerol

Levothyroxine Oral solution contains sodium methyl parahydroxybenzoate (E219) which may cause allergic reactions (possibly delayed). Also contains glycerol which may cause headache, stomach upset and diarrhoea.

^ HOW TO TAKE LEVOTHYROXINE ORAL SOLUTION

Always take this medicine exactly as your doctor has told you. Check with your doctor if you are not sure.

Levothyroxine Oral Solution should be swallowed.

Your doctor will have decided what dose you should take each day depending on your condition. Your doctor will take blood samples at regular intervals to monitor your response to treatment.

If you are switching from the oral solution to the tablet version of levothyroxine or from the tablet version to the oral solution of levothyroxine your doctor will monitor you more closely.

Administration

You should take your Levothyroxine Oral Solution on an empty stomach, usually before breakfast.

For hypothyroidism the usual daily dosages are:

Adults and children over 12 years:

The starting dose is 50 to 100 micrograms a day, increasing by 25 to 50 micrograms every 3-4 weeks, until you are taking the right amount for your condition. The usual maintenance dose is 100 to 200 micrograms daily.

For diffuse non toxic goitre or Hashimoto's thyroiditis the recommended dose is 50 to 200 micrograms per day.

For the treatment of thyroid cancer the recommended dose is 150 to 300 micrograms per day.

Older patients (over 50 years of age):

The starting dose is 12.5 micrograms a day, increasing by 12.5 micrograms every 2 weeks until the correct dose is obtained. The usual final dose is between 50 and 200 micrograms daily. This dose also applies to patients with severe hypothyroidism, and to those with heart disease.

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Children under 12 years:

The dose for children depends on their age, weight and the condition being treated. Your child will be monitored to make sure he/she gets the right dose. Give your child this medicine at least half an hour before the first meal of the day.

Congenital hypothyroidism in infants:

Initially 10 to 15 micrograms/kg body weight a day for the first 3 months. The dose will then be adjusted depending on response to treatment.

Acquired hypothyroidism in children:

Initially 12.5 to 50 micrograms a day. The dose should be increased gradually every 2 to 4 weeks depending on response to treatment.

The duration of treatment is usually for life if you are being treated for hypothyroidism, non toxic diffuse goitre or Hashimoto's thyroiditis.

Please use the oral syringe provided to deliver your specific dose - see instructions below. The syringe can be used to measure your dose by drawing the liquid to the correct mark on the syringe. For example if your dose is 50 micrograms daily then the corresponding volume would be:

For the 25 microgram/5 ml strength - 2 x 5 ml (10 ml in total) For the 50 microgram/5 ml strength - 5 ml For the 100 microgram/5 ml strength - 2.5 ml

•    Hives

•    Fainting

•    Yellowing of the skin and eyes also called jaundice.

These are all very serious side effects. If you have them, you may have a serious allergic reaction to Levothyroxine Oral Solution. You may need urgent medical attention or hospitalisation. All of these very serious side effects are very rare.

Tell your doctor if you notice any of the following:

Fast or irregular heart beats, palpitations, chest pain, muscle cramps or weakness, headache, restlessness, excitability, flushing, sweating, diarrhoea, vomiting, fever, menstruation problems, high blood pressure in the cranium, tremor, sleeplessness, heat intolerance and excessive weight loss. Rash, itching and puffiness may also occur.

Very rarely, if far too much Levothyroxine Oral Solution has been taken in one go or over many years, the heart may fail and coma and death have been reported.

If you feel unwell in any other way, tell your doctor as soon as you can.

Children may have some hair loss at the beginning of treatment, however this is usually temporary and the hair returns.

How to use the oral syringe:

1.    Shake the bottle well, making sure the cap is firmly on the bottle.

2.    Remove the cap. Note: Keep the cap nearby to close the bottle after each use.

3.    Push the plastic adapter into the neck of the bottle. Note: The adapter must always stay in the bottle.

4.    Take the syringe and check the plunger is fully down.

5.    Keep the bottle upright and insert the oral syringe firmly into the plastic adapter

6.    Turn the whole bottle with the syringe upside down.

7.    Slowly pull the plunger down fully so that the syringe fills with medicine. Push the plunger back up completely to expel any large air bubbles that may be trapped inside the oral syringe.

8.    Then pull the plunger slowly back to the volume you need for your dose.

9.    Turn the whole bottle with the syringe the right way up and take the syringe out of the bottle.

10.    The dose of medicine can now be swallowed directly from the oral syringe. Please ensure that you are sitting upright and the plunger must be pushed slowly to allow you to swallow the dose.

11.    Replace the child resistant cap after use, leaving the adapter in place.

12.    Cleaning: After use, wipe the outside of the syringe with a dry, clean tissue.

If you take more Levothyroxine Oral Solution than you should

If you accidentally take an overdose of your medicine, either call your doctor straight away, or go to your nearest hospital casualty department. Symptoms of overdose include fever, irregular heart beat, muscle cramps, headache, restlessness, flushing, sweating or diarrhoea. Always take any remaining medicine, the container and the label with you, so that the medicine can be identified.

If you forget to take Levothyroxine Oral Solution If you forget to take your medicine, take your dose when you remember and then take your next dose at the usual time. Do not take two doses at the same time. If you have forgotten several doses tell your doctor when you have your next check-up or blood test. It can be dangerous to stop taking your medicine without your doctor's advice.

If you are worried, ask your doctor or pharmacist for advice.

If you stop taking Levothyroxine Oral Solution

If you have any further questions on the use of this medicine, ask your doctor.

4 POSSIBLE SIDE EFFECTS

Like all medicines, this medicine can cause side effects, although not everybody gets them.

These usually only happen if the dose you are taking is too high.

If any of the following happen, stop taking Levothyroxine Oral Solution and tell your doctor immediately or go to the casualty department at your nearest hospital

• Swelling of the hands, feet, ankles, face, lips, mouth, or throat which may cause difficulty in swallowing or breathing

Do not be alarmed by this list of possible events. You may not have any of them.

If you get any side effects, talk to your doctor or pharmacist. This includes any side effects not listed in this leaflet.

HOW TO STORE LEVOTHYROXINE ORAL SOLUTION

Keep this medicine out of the sight and reach of children.

Do not store above 25°C.

Store in the original package in order to protect from light.

Dispose of any remaining medicine 8 weeks after opening. Do not use this medicine after the expiry date which is stated on the label and carton after EXP (month, year). The expiry date refers to the last day of that month.

Levothyroxine oral solution is odourless. Do not use this medicine if you notice that the solution has an odour. Talk to your pharmacist.

Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.

CONTENTS OF THE PACK AND OTHER INFORMATION

What Levothyroxine Oral Solution contains:

The active substance is Levothyroxine sodium. Each 5 ml of oral solution contains Levothyroxine equivalent to Levothyroxine sodium anhydrous 25 micrograms,

50 micrograms or 100 micrograms.

It also contains the following inactive ingredients: Glycerol, citric acid monohydrate, sodium methyl parahydroxybenzoate (E219), sodium hydroxide and purified water.

What Levothyroxine Oral Solution looks like and contents of the pack

Levothyroxine Oral solution is a clear colourless liquid. Each bottle contains 100 ml of oral solution. A double ended 5 ml and 2.5 ml polypropylene spoon or a plastic dosing syringe (pipette) is also included to help measure the dose.

Marketing Authorisation Holder

TEVA UK Limited, Eastbourne, BN22 9AG, UK.

Manufacturer

Famar Netherlands BV, 5531 AD Bladel, The Netherlands. This leaflet was last revised in 05/2012

PL 00289/1593 PL 00289/1594 PL 00289/1595

TEUZD

80085-A

210115.01-GB

31024646.01-GB

320 mm