Package Insert: Information for the User

MemantineQualigen20 mg Film-Coated Tablets

Memantine, Hydrochloride

Read this package insert carefully before you start taking this medicine, because it contains important information for you.

• Keep this package insert, as you may need to read it again.
• If you have any questions, consult your doctor or pharmacist.
• This medicine has been prescribed for you only and should not be given to others, even if they have the same symptoms as you, as it may harm them.
• If you experience any side effects, consult your doctor or pharmacist, even if they are not listed in this package insert. See section 4.

How Memantina Qualigen worksQualigen

Memantina Qualigenbelongs to a group of medications known as dementia medications.

The loss of memory in Alzheimer's disease is due to an alteration in brain signals. The brain contains called N-methyl-D-aspartate (NMDA) receptors that participate in the transmission of important nervous signals in learning and memory. Memantina Qualigenbelongs to the group of medications called NMDA receptor antagonists. Memantina Qualigenacts on these receptorsimproving the transmission of nervous signals and memory.

What is Memantina Qualigen used forQualigen

Memantina Qualigenis used in the treatment of patients with moderate to severe Alzheimer's disease.

Do not take MemantinaQualigen

• if you are allergic to the active ingredient hydrochloride of memantina or to any of the other components of this medication (listed in section 6).

Warnings and precautions

Consult your doctor or pharmacist before starting to take MemantinaQualigen.

• if you have a history of epileptic seizures.
• if you have recently had a myocardial infarction (heart attack), if you have congestive heart failure or if you have uncontrolled high blood pressure.

In the above situations, treatment must be closely monitored and your doctor should regularly reevaluate the clinical benefit of memantina.

If you have kidney problems, your doctor should closely monitor your renal function and, if necessary, adjust the dose of memantina.

The use of memantina should be avoided with other medications such as amantadine (for the treatment of Parkinson's disease), ketamine (a medication generally used to induce anesthesia), dextromethorphan (a medication for the treatment of cough), and other NMDA antagonists.

MemantinaQualigenis not recommended for use in children and adolescents under 18 years old.

Taking MemantinaQualigenwith other medications

Inform your doctor or pharmacist if you are using, have used recently or may need to use any other medication.

Specifically, the administration of MemantinaQualigenmay produce changes in the effects of the following medications, so your doctor may need to adjust the dose:

amantadine, ketamine, dextromethorphan,

dantrolene, baclofen,

cimetidine, ranitidine, procainamide, quinidine, quinine, nicotine,

hydrochlorothiazide (or any combination with hydrochlorothiazide),

anticholinergics (substances generally used to treat movement disorders or intestinal spasms),

anticonvulsants (substances used to prevent and eliminate seizures),

barbiturates (substances generally used to induce sleep),

dopamine agonists (substances such as L-dopa, bromocriptine),

neuroleptics (substances used in the treatment of mental illnesses), oral anticoagulants.

If you are admitted to a hospital, inform your doctor that you are taking MemantinaQualigen.

Taking MemantinaQualigenwith food, drinks and alcohol

You should inform your doctor if you have recently changed or intend to change your diet significantly (for example from a normal diet to a strict vegetarian diet) or if you have kidney tubular acidosis (ATR, excess acid-producing substances in the blood due to renal dysfunction) or severe urinary tract infections, as your doctor may need to adjust the medication dose.

Pregnancy, lactation and fertility

If you are pregnant or breastfeeding, or if you think you may be pregnant, consult your doctor or pharmacist before using this medication.

Memantina is not recommended for use in pregnant women.

Women taking MemantinaQualigenshould discontinue breastfeeding.

Driving and operating machinery

Your doctor will inform you if your condition allows you to drive and use machinery safely.

Additionally, MemantinaQualigenmay alter your reaction time, so driving or operating machinery may be inappropriate.

MemantinaQualigencontains lactose

If your doctor has indicated that you have a sugar intolerance, consult with them before taking this medication.

Follow exactly the administration instructions of this medication indicated by your doctor or pharmacist. In case of doubt, consult your doctor or pharmacist again.

Dosage:

The recommended dose of Memantina Qualigen in adult patients and elderly patients is 20 mg administered once a day. To reduce the risk of adverse effects, this dose is achieved gradually following the daily schedule below.

The initial normal dose is half a tablet once a day (5 mg) in the first week. It is increased to one tablet a day (10 mg) in the second week and to one and a half tablets once a day in the third week.From the fourth week onwards, the normal dose is one tablet administered once a day (20 mg).

Dosage for patients with renal insufficiency:

If you have kidney problems, your doctor will decide on the appropriate dose for your condition. In this case, your doctor must monitor your renal function periodically.

How to administer Memantina Qualigen:

Memantina Qualigen must be administered orally once a day. To get the most out of your medication, you should take it every day and at the same time. The tablets should be swallowed with a little water. The tablets can be taken with or without food.

Treatment duration:

Continue taking Memantina Qualigen as long as it is beneficial for you. Your doctor should evaluate the effects of your treatment periodically.

If you take more Memantina Qualigen than you should:

In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicological Information Service, phone: (91) 5620420, indicating the medication and the amount ingested.

• Generally, taking an excessive amount of memantina should not cause you any harm. You may experience an increase in the symptoms described in the section 4 “Possible adverse effects”.
• If you take a memantina overdose, contact your doctor or seek medical advice, as you may need medical attention.

If you forgot to take Memantina Qualigen:

• If you realize you have forgotten to take your dose of Memantina Qualigen, wait and take the next dose at the usual time.
• Do not take a double dose to compensate for the missed doses.

If you have any other doubts about the use of this medication, ask your doctor or pharmacist.

Like all medications, Memantina Qualigen can produce adverse effects, although not all people will experience them.

Adverse effects are generally classified as mild to moderate.

Frequent (may affect up to 1 in 10 people):

• Headache, drowsiness, constipation, elevated liver function tests, dizziness, balance disorder, difficult breathing, high blood pressure, and hypersensitivity to the medication.

Rare (may affect up to 1 in 100 people):

• Fatigue, fungal infections, confusion, hallucinations, vomiting, gait disturbance, heart failure, and formation of blood clots in the venous system (venous thromboembolism).

Very rare (may affect up to 1 in 10,000 people):

• Seizures.

Unknown frequency (frequency cannot be estimated from available data):

• Pancreatitis, hepatitis, and psychotic reactions.

Alzheimer's disease has been associated with depression, suicidal ideation, and suicide. There have been reports of these events in patients treated with memantina.

Reporting Adverse Effects

If you experience any type of adverse effect, consult your doctor or pharmacist, even if it is a possible adverse effect not listed in this prospectus. You can also report directly through the Spanish System for Pharmacovigilance of Medicines for Human Use website: www.notificaRAM.es . By reporting adverse effects, you can contribute to providing more information about the safety of this medication.

If you consider any of the adverse effects you are experiencing to be severe or if you notice any adverse effect not mentioned in this prospectus, inform your doctor or pharmacist.

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

Do not use this medication after the expiration date that appears on the packagingafter “CAD”. The expiration date is the last day of the month indicated.

No special storage conditions are required.

Medications should not be disposed of through drains or in the trash. Dispose of the packaging and medications you no longer need atthe SIGRE Collection Pointat the pharmacy. If in doubt, ask your pharmacist how to dispose of the packaging and medications you no longer need. By doing so, you will help protect the environment.

Composition of MemantineQualigen

• The active ingredient is hydrochloride of memantine. Each film-coated tablet contains 20 mg of hydrochloride of memantine, which are equivalent to 16.62 mg of memantine.
• The other components are:

Tablet core:lactose monohydrate, microcrystalline cellulose (E-460i),colloidal anhydrous silica, talcand magnesium stearate (E-572).

Coating:hypromellose (E-464), titanium dioxide (E-171), macrogol 400(E-1521) and iron oxidered (E-172).

Appearance of the product and content of the container

MemantineQualigen20 mg is presented in the form of film-coated tablets of pink color, oblong andbiconvex.

MemantineQualigen20 mg tablets are presented in blister-type single-dose containers of PVDC/Al of56 film-coated tablets.

Other presentations

MemantineQualigen10 mg film-coated tablets.

Holder of the marketing authorization and responsible for manufacturing

Holderofthemarketingauthorization:

Neuraxpharm Spain, S.L.U.

Avda. Barcelona, 69

08970 Sant Joan Despí

Barcelona – Spain

Responsibleforthemanufacturing:
Neuraxpharm Pharmaceuticals, S.L.

Avda. Barcelona, 69

08970 Sant Joan Despí (Barcelona)

Spain

Date of the last review of this prospectus:July 2021

The detailed and updated information of this medicine is available on the website of the Spanish Agency of Medicaments and Health Products (AEMPS)http://www.aemps.gob.es/.