SYMMETREL CAPSULES 100MG

Active substance: AMANTADINE HYDROCHLORIDE

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PATIENT INFORMATION LEAFLET

ALLIANCE

®

Symmetrel capsules 100 mg
amantadine hydrochloride
Read all of this leaflet carefully before you start taking this medicine
• 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. Do not pass it on to others. It may harm them, even if their symptoms are the same as
yours.
• If any of the side effects gets serious, or if you notice any side effects not listed in this leaflet please tell your doctor or pharmacist.
The information in this leaflet has been divided into the following sections:
1. What Symmetrel capsules are and what they are taken for
2. Check before you take Symmetrel capsules
3. How to take Symmetrel capsules
4. Possible side effects
5. How to store Symmetrel capsules
6. Further information
1. What Symmetrel capsules are and what they are taken for
Symmetrel is a dopaminergic drug which means it can increase the levels of certain chemicals which transmit impulses in the nervous
system, including the brain.
Symmetrel capsules are used:
• to treat Parkinson’s disease by improving muscle control and reducing stiffness, shakiness and shuffling
• in the treatment of shingles (herpes zoster), to reduce pain.
2. Check before you take Symmetrel capsules
Do not take Symmetrel capsules:
• if you are allergic (hypersensitive) to amantadine hydrochloride or any of the ingredients of Symmetrel capsules (see Section 6 Further
information)
• if you suffer from fits (convulsions), for example epilepsy
• if you have ever had an ulcer in your stomach or small intestine
• if you suffer from any serious kidney disease
• if you are pregnant or trying to become pregnant (see Section 2 Pregnancy and breast-feeding)
• if you are breast-feeding (see Section 2 Pregnancy and breast-feeding).
If any of the above applies to you, or if you are not sure, speak to your doctor or pharmacist before you take Symmetrel capsules.
Take special care with Symmetrel capsules
Before you take Symmetrel capsules tell your doctor if:
• you suffer from any liver or kidney disease
• you have a history of disease involving the heart and blood vessels
• you are currently suffering from heart problems or heart failure (heart problems which cause shortness of breath or ankle swelling)
• you have any mental illness for example, schizophrenia or dementia.
• you have increased pressure in the eyes (glaucoma).
If any of the above applies to you, or if you are not sure, speak to your doctor or pharmacist before you take Symmetrel capsules.
Taking other medicines
Tell your doctor or pharmacist if you are taking or have recently taken any of the following medicines as they may interfere with
Symmetrel capsules:
• anti-cholinergics
- (used to treat Parkinson’s disease) such as procyclidine
• anti-spasmodics
- (used to treat stomach spasms or cramps) such as hyoscine
• levodopa
- used to treat Parkinson’s disease
• anti-psychotics
- (used to improve thoughts, feelings and behaviour when these are disturbed in certain medical
conditions) such as chlorpromazine, haloperidol
• diuretics (water tablets) - (used to relieve water retention and reduce high blood pressure) such as hydrochlorothiazide,
amiloride or triamterene.
Please tell your doctor or pharmacist if you are taking or have recently taken any other medicines, including medicines obtained without a
prescription.
Taking with food and drink
Be careful when drinking alcohol whilst taking Symmetrel capsules, it may affect you more than usual.
Symmetrel capsules should be taken with a glass of water.
Pregnancy and breast-feeding
Do not take Symmetrel capsules if you are pregnant or trying to become pregnant.
Do not take Symmetrel capsules if you are breast-feeding because Symmetrel passes into breast milk and could harm your baby.
Ask your doctor or pharmacist for advice before taking any medicine.
Driving and using machines
Taking Symmetrel capsules may make your vision blurred or make you feel dizzy. If you are affected you should not drive or use
machines until the effect has worn off.
Important information about some of the ingredients of Symmetrel capsules
Symmetrel capsules contain lactose. If you have been told by your doctor that you have an intolerance to some sugars, contact your
doctor before taking Symmetrel capsules.
3. How to take Symmetrel capsules
Always take Symmetrel capsules exactly as your doctor has told you to. You should check with your doctor or pharmacist if you are not
sure.
Swallow the capsules whole with a drink of water.
The usual dose is different in the following circumstances:
Parkinson’s disease
Adults:
1 capsule (100 mg) a day for the first week. Your doctor will increase this to 2 capsules a day (200 mg).
Higher doses, up to 4 capsules (400 mg) a day may be given in some cases.
Adults over 65 years:
1 capsule (100 mg) once a day.
Shingles (herpes zoster)
The dose is 2 capsules (200 mg) a day for 14 days. If your pain continues your doctor may give you another 14 days treatment.
If you have kidney problems, your doctor may give you a lower dose.
What to do if you take more Symmetrel capsules than you should
If you accidentally take too many capsules, or someone else takes any of your medicine, you should tell your doctor at once or contact
the nearest accident and emergency department. Show any left-over medicines or the empty packet to the doctor.

If you forget to take Symmetrel capsules
Do not worry. If you miss a dose, take another as soon as you remember, unless it is almost time for your next dose. Then go on as
before. Do not take a double dose.
If you stop taking Symmetrel capsules
Do not stop taking Symmetrel capsules suddenly as your symptoms may get worse.
If you want to stop taking Symmetrel capsules ask your doctor who will tell you how to reduce the dose gradually.
If you are taking anti-psychotics (used to treat mental disturbances) and you suddenly stop taking Symmetrel capsules, you may develop a
collection of symptoms including:
• fever
• sweating
• a rapid heart beat
• muscle stiffness (difficulty in movement)
• loss of bladder control (you may have a sudden urge to pass water).
If you develop any of these symptoms you should contact your doctor immediately.
Some patients may notice that this medicine loses it’s effect after they have taken it regularly for a few months. If you notice this, tell your
doctor.
If you have any further questions on the use of this product, ask your doctor or pharmacist.
4. Possible side effects
Like all medicines, Symmetrel capsules can cause side effects, although not everyone gets them. These effects are often mild and may
wear off after a few days treatment. If they are severe or last more than a few days, tell your doctor or pharmacist.
If any of the following symptoms occur you should tell your doctor or contact the nearest hospital straight away:
• dizziness or lightheadedness
• fainting
• convulsions (fits).
Tell your doctor or pharmacist if you think you have any of these or other problems with Symmetrel capsules:
Very common side effects (that affect more than 1 person in 10):
• swollen ankles
• red blotchy spots on the skin.
Common side effects (that affect less than 1 person in 10):
• anxiety
• depression
• feeling overexcited
• difficulty sleeping
• headache
• muscle pain
• feeling tired
• fast or irregular heartbeat
• hallucinations
• low blood pressure when standing up. This may make you feel dizzy or faint
• nightmares
• dry mouth
• difficulty in controlling movements
• loss of appetite
• slurred speech
• feeling or being sick
• blurred vision
• constipation
• difficulty concentrating
• sweating.
• feeling nervous
Rare side effects (that affect less than 1 person in 1000):
• confusion
• Neuroleptic Malignant Syndrome (NMS). You may feel hot and have muscle stiffness
• disorientation
• diarrhoea
(not knowing where you are)
• skin rash
• disturbed thoughts or behaviour
• problems with your eyes such as itchiness or redness
such as feeling paranoid
• loss of bladder control. You may have difficulty in passing water or have a sudden urge to
• shakiness
pass water.
• difficulty moving
Very rare side effects (that affect less than 1 person in 10 000):
• heart problems which cause shortness of breath or ankle swelling
• reduction in the number of white blood cells which makes infections more likely
• changes in blood tests which show how the liver is working
• sensitivity to sunlight.
If any of the side effects gets worse, or if you notice any side effects not listed in this leaflet, please tell your doctor or pharmacist.
5. How to store Symmetrel capsules
Keep out of the reach and sight of children.
Do not use Symmetrel capsules after the expiry date which is stated on the packaging. The expiry date refers to the last day of that month.
If your doctor decides to stop your treatment, return any unused medicine to the pharmacist. Only keep it if your doctor tells you to.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist on how to dispose of medicines no longer
required. These measures will help protect the environment.
6. Further information
What is in Symmetrel capsules?
The active ingredient in this medicine is amantadine hydrochloride.
Each Symmetrel capsule contains 100 mg amantadine hydrochloride. The other ingredients are:
• lactose, povidone, magnesium stearate, red iron oxide (E172), titanium dioxide (E171), gelatin and monogramming ink S-1-7085 white
containing: titanium dioxide (E171), ammonium hydroxide 28%, propylene glycol (E1520), simethicone or SB-0007P white ink
containing: shellac, propylene glycol, soldium hydroxide, povidone, titanium dioxide (E171).
What Symmetrel capsules looks like and contents of the pack
Symmetrel capsules are brownish-red, hard gelatine capsules with SYMM printed on them in white. Symmetrel capsules come in boxes of
56 capsules.
Marketing Authorisation Holder and Manufacturer
The product licence holder is: Alliance Pharmaceuticals Ltd, Avonbridge House, Chippenham, Wiltshire, SN15 2BB, UK.
Symmetrel capsules are manufactured by: Chanelle Medical, Loughrea, Co. Galway, Ireland.
The information in this leaflet applies only to Symmetrel capsules. If you have any questions or you are not sure about anything, ask your
doctor or a pharmacist.
This leaflet was last approved: 1st April 2011
Symmetrel is a registered trademark of Endo Pharmaceuticals Inc and is used under licence by Alliance Pharmaceuticals Limited.
© Alliance Pharmaceuticals Ltd 2011.
The Parkinson's Disease Society
The Parkinson's Disease Society is a voluntary organisation. It works to improve the quality of life of people who have Parkinson's (and
their families and carers) by providing vital support and advice and funding of relevant research.
If you need independent information or advice, please contact The Parkinson's Disease Society.
Freephone helpline (9.30am to 5.30pm Monday to Friday): 0808 800 0303
Address: 215 Vauxhall Bridge Road, London SW1V 1EJ
E-mail: enquiries@parkinsons.org.uk
Website: www.parkinsons.org.uk

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Source: Medicines and Healthcare Products Regulatory Agency

Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.

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