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Memantine - Oral - Patient Medicine Information

> Why do I need this medicine?
> How do I take this medicine?
> What should I do if I have forgotten to take this medicine?
> What should I take note of while taking this medicine?
> What side effects could I experience?
> Can I take this with other medicines?
> What special dietary instructions should I follow?
> How should I store this medicine?

 
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Why do I need this medicine?

Memantine helps to reduce symptoms of dementia such as memory loss, confusion, and problems with thinking and reasoning in Alzheimer's disease.

Memantine cannot cure Alzheimer's disease, but it can improve the quality of life for people who have Alzheimer's.

How do I take this medicine?

Take Memantine exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.

You may take Memantine with or without food. Try to take it at the same time each day.

Memantine must be taken regularly for it to be effective. It may take several weeks before you notice any improvement in your condition. Continue taking Memantine even when there are signs of improvement. Do not stop taking Memantine unless instructed by the doctor.

What should I do if I have forgotten to take this medicine?

Take the missed dose as soon as you remember. If it is almost time for the next dose, skip the missed dose and return to the normal dosing schedule.

DO NOT double a dose to make up for a missed dose.

If Memantine has been missed for several days, check with your doctor before restarting it.

If you often forget to take your medicine, let your doctor and pharmacist know. They can give you some advice to help you remember your dosing schedule.

What should I take note of while taking this medicine?

Inform your doctor if you have the following conditions:

- epilepsy (fits or seizures)
- urinary tract infections
- kidney disease
- liver disease
- heart disease
- high blood pressure

Let your doctor know if you are pregnant or breastfeeding.

What side effects could I experience?

Memantine may cause dizziness and tiredness. This medicine may also cause you to suddenly fall asleep during your daily activities such as eating and watching television. You may not feel drowsy before you fall asleep. If affected, do not drive or take part in any activity in which you need to be alert.

Other common side effects of Memantine include any of the following: headache, constipation, vomiting, back pain and cough.

Your doctor may also ask you to monitor your blood pressure, particularly if you already have high blood pressure, as Memantine may increase blood pressure.

Let your doctor know if you experience:

- hallucinations (seeing, hearing or feeling things that are not existent)
- confusion
- difficulty in sleeping
- unusual changes in mood and behaviour (being too depressed or agitated)

Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.

Can I take this with other medicines?

Inform your doctor and pharmacist if you are taking any of these medicines:

- medicines which make your urine alkaline e.g. acetazolamide, sodium bicarbonate
- gastric medicines e.g. cimetidine, ranitidine
- medicines to remove excess water (water pills) e.g. hydrochlorothiazide
- muscle relaxants e.g. baclofen, dantrolene
- amantadine (an antiviral medicine used for Parkinson's disease)
- dextromethorphan (a cough medicine)
- warfarin (blood thinning medicine)

This list does not include all medicines that may interact with Memantine.

Always notify your doctor or pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicine, supplements and medicines that you buy without a prescription.

What special dietary instructions should I follow?

Inform your doctor if you are a vegetarian or if you consume large amounts of citrus fruits, vegetables, beans or peas. These foods may affect the way Memantine works in your body.

Also let your doctor know if you make any drastic changes to your diet. For example, changing from a meat-based diet to a vegetarian diet.

Avoid alcohol.

How should I store this medicine?

Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.

This information is independently developed by MIMS based on Memantine - Oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2019 MIMS. All rights reserved. Powered by MIMS.com

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