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COGNEM 5 mg FILM-COATED TABLETS

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About the medicine

How to use COGNEM 5 mg FILM-COATED TABLETS

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This page provides general information and does not replace a doctor’s consultation. Always consult a doctor before taking any medication. Seek urgent medical care if symptoms are severe.

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Introduction

Package Leaflet: Information for the User

Cognem 5 mg film-coated tablets EFG

Donepezil hydrochloride

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 or nurse.
  • 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 or nurse. This includes any possible side effects not listed in this leaflet. See section 4.

Contents of the pack

  1. What is Cognem and what is it used for
  2. What you need to know before you take Cognem
  3. How to take Cognem
  4. Possible side effects
  5. Storage of Cognem
  6. Contents of the pack and further information

1. What is Cognem and what is it used for

Cognem contains the active substance donepezil hydrochloride. Donepezil belongs to a group of medicines called acetylcholinesterase inhibitors.

Donepezil increases the levels in the brain of a substance related to memory (acetylcholine), by reducing the speed of breakdown of this substance.

It is used to treat the symptoms of dementia in people with mild to moderately severe Alzheimer's disease. The symptoms include progressive memory loss, confusion, and changes in behavior. As a result, patients with Alzheimer's disease find it increasingly difficult to carry out their normal daily activities.

Donepezil should only be used in adult patients.

Doctor consultation

Not sure if this medicine is right for you?

Discuss your symptoms and treatment with a doctor online.

2. What you need to know before you take Cognem

Do not takeCognem

  • if you are allergic (hypersensitive) to donepezil hydrochloride or to piperidine derivatives or to any of the other ingredients of this medicine (listed in section 6).

Warnings and precautions

Talk to your doctor or pharmacist or nurse before you start taking Cognem. Tell them if you have or have had:

  • stomach or duodenal ulcers
  • seizures (fits)
  • a heart condition (such as irregular or very slow heartbeats, heart failure, heart attack)
  • a heart condition called "prolongation of the QT interval" or a history of certain abnormal heart rhythms called Torsade de Pointes or if someone in your family has "prolongation of the QT interval"
  • low levels of magnesium or potassium in the blood
  • asthma or other chronic lung disease
  • liver problems or hepatitis
  • difficulty urinating or mild kidney failure

Tell your doctor if you are pregnant or think you might be pregnant.

Children and adolescents

Cognem is not recommended for use in children and adolescents (under 18 years of age).

Other medicines and Cognem

Tell your doctor or pharmacist if you are taking, have recently taken, or might take any other medicines. This includes medicines that your doctor has not prescribed but that you have bought yourself in a pharmacy. It also applies to medicines that you might take in the future while you are still taking Cognem. This is because other medicines may weaken or strengthen the effects of Cognem.

  • In particular, it is important to tell your doctor if you are taking any of the following types of medicines: medicines for heart rhythm problems, such as amiodarone or sotalol
  • medicines for depression, such as citalopram, escitalopram, amitriptyline, fluoxetine
  • medicines for psychosis, such as pimozide, sertindole, or ziprasidone
  • medicines for bacterial infections, such as clarithromycin, erythromycin, levofloxacin, moxifloxacin, rifampicin
  • antifungal medicines, such as ketoconazole
  • other medicines for Alzheimer's disease, such as galantamine
  • analgesics or for the treatment of arthritis, such as aspirin, non-steroidal anti-inflammatory drugs (NSAIDs) like ibuprofen, or diclofenac sodium
  • anticholinergic medicines, such as tolterodine
  • anticonvulsants, such as phenytoin, carbamazepine
  • heart medicines, such as quinidine, beta-blockers (propranolol and atenolol)
  • muscle relaxants, such as diazepam, succinylcholine
  • general anesthetics
  • medicines obtained without a prescription, such as herbal remedies

If you are going to have an operation that requires general anesthesia, tell your doctor and anesthetist that you are taking Cognem. This is because donepezil may affect the amounts of anesthetic needed.

Cognem can be used in patients with mild to moderate kidney or liver disease. Tell your doctor first if you have kidney or liver disease. Patients with severe liver disease should not take Cognem.

Tell your doctor or pharmacist the name of your caregiver. Your caregiver will help you take your medicine as prescribed.

Taking Cognem with food, drinks, and alcohol

Food does not affect the effect of Cognem.

Do not drink alcohol while taking Cognem, as alcohol may change its effect.

Pregnancy, breastfeeding, and fertility

If you are pregnant or breastfeeding, think you might be pregnant, or plan to become pregnant, consult your doctor or pharmacist before using this medicine.

Do not take Cognem during pregnancy unless it is clearly necessary.

Do not take Cognem if you are breastfeeding.

Driving and using machines

Your illness may affect your ability to drive or use machines, and you should not carry out these activities unless your doctor tells you it is safe to do so. Donepezil may cause tiredness, dizziness, and muscle cramps. If you experience these effects, do not drive or use machines.

Cognem contains lactose

If your doctor has told you that you have an intolerance to some sugars, consult your doctor before taking this medicine.

3. How to take Cognem

How much Cognem to take

Follow exactly the instructions of administration of this medicine given by your doctor or pharmacist or nurse. If you are in doubt, consult your doctor or pharmacist or nurse again.

Initially, the recommended dose is 5 mg (one white tablet) each night before going to bed. After the first month, your doctor may tell you to take 10 mg (one yellow tablet) each night before going to bed.

If you have abnormal dreams, nightmares, or difficulty sleeping (see section 4), your doctor may recommend that you take donepezil in the morning.

The dose you take may change depending on the duration of your treatment or what your doctor recommends. The maximum recommended dose is 10 mg each night.

Always follow the instructions of your doctor or pharmacist on how and when to take your medicine. Do not change the dose yourself without consulting your doctor.

How to take your medicine

Swallow Cognem with a glass of water before going to bed at night.

Use in children and adolescents

Cognem is not recommended for use in children and adolescents (under 18 years of age).

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

Duration of treatment with Cognem

Your doctor or pharmacist will tell you the duration of treatment. It is necessary for your doctor to see you to assess the progress of the treatment.

If you take more Cognem than you should

Do not take more than one tablet per day. Call your doctor or the emergency department of the nearest hospital immediately if you take more medicine than you should. Always bring the remaining tablets and this leaflet to the hospital with you so that the doctors know what you have taken.

In case of overdose or accidental ingestion, consult your doctor or pharmacist immediately or call the Toxicology Information Service, phone: 91 562 04 20, indicating the medicine and the amount taken.

The symptoms of overdose may include nausea (feeling sick) and vomiting (being sick), drooling, sweating, slow heartbeat, low blood pressure (feeling dizzy or faint when standing up), breathing problems, loss of consciousness, and seizures (fits).

If you forget to take Cognem

If you forget to take a tablet, take the next dose at the usual time. Do not take a double dose to make up for the forgotten dose.

If you forget to take your medicine for more than one week, call your doctor before taking another medicine.

If you stop taking Cognem

Do not stop taking Cognem without consulting your doctor. If you stop treatment with donepezil, the benefits will gradually disappear.

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

4. Possible side effects

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

People taking Cognem have reported the following side effects.

Tell your doctor if you get any of these side effects while taking Cognem:

Serious side effects:

Tell your doctor immediately if you notice any of the following serious side effects. You may need urgent medical treatment.

  • Stomach or duodenal ulcers. The symptoms of ulcers are stomach pain and discomfort (indigestion) between the navel and the sternum (may affect up to 1 in 100 people).
  • Bleeding in the stomach or intestine. This can cause the appearance of dark stools or visible blood in the rectum (may affect up to 1 in 100 people).
  • Seizures or fits (may affect up to 1 in 100 people).
  • Liver damage, such as hepatitis. The symptoms of hepatitis are nausea (feeling sick) or vomiting (feeling like vomiting), loss of appetite, general malaise, fever, itching, yellowing of the skin and eyes, and dark urine (may affect up to 1 in 1,000 people).
  • Tell your doctor immediately if you notice that you have fever, muscle stiffness, sweating, or a decrease in the level of consciousness (a condition known as "Neuroleptic Malignant Syndrome"), (may affect up to 1 in 10,000 people).
  • Weakness, sensitivity, or muscle pain, especially if you also feel unwell, have a fever, or have dark urine. This can be due to abnormal muscle destruction that can be life-threatening and cause kidney problems (a disease called rhabdomyolysis) (may affect up to 1 in 10,000 people).
  • Fast and irregular heartbeats and fainting, which could be symptoms of a potentially life-threatening condition called Torsade de Pointes (frequency cannot be estimated from available data).

Other possible side effects

Very common side effects (may affect more than 1 in 10 patients):

  • Diarrhea
  • Feeling or being sick
  • Headache

Common side effects (may affect up to 1 in 10 patients):

  • Muscle cramps
  • Tiredness
  • Difficulty sleeping (insomnia)
  • Common cold
  • Loss of appetite
  • Hallucinations (seeing or hearing things that are not real)
  • Abnormal dreams, including nightmares
  • Agitation
  • Aggressive behavior
  • Fainting
  • Dizziness
  • Stomach pain
  • Rash
  • Itching
  • Loss of bladder control
  • Pain
  • Accidents (patients may be more prone to falls and accidental injuries)

Uncommon side effects (may affect up to 1 in 100 patients):

  • Slow heartbeats
  • Excessive salivation

Rare side effects (may affect up to 1 in 1,000 patients):

  • Stiffness, tremors, or uncontrolled movements, especially of the face and tongue, and also of the limbs

Frequency not known:

  • Changes in heart activity, which can be seen on an electrocardiogram (ECG) called "prolongation of the QT interval"
  • Increased libido, hypersexuality
  • A condition called "Pisa syndrome" (a condition that involves involuntary muscle contraction with abnormal flexion of the body and head to one side).

Reporting of side effects

If you experience any side effects, talk to your doctor or pharmacist, even if it is possible that they are not listed in this leaflet. You can also report side effects directly through the Spanish Medicines and Healthcare Products Agency's website: www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of Cognem

  • Keep this medicine out of the sight and reach of children.
  • Do not use this medicine after the expiry date which is stated on the carton and blister after EXP. The expiry date is the last day of the month stated.
  • This medicine does not require any special storage conditions.

Medicines should not be disposed of via wastewater or household waste. Return the containers and any unused medicine to the pharmacy. If you are in doubt, ask your pharmacist how to dispose of the containers and any unused medicine. This will help protect the environment.

6. Contents of the pack and further information

Composition of Cognem

The active substance is donepezil hydrochloride.

Each 5 mg film-coated tablet contains donepezil hydrochloride monohydrate, equivalent to 5 mg of donepezil hydrochloride.

The other ingredients are:

Core:

Lactose monohydrate, corn starch, microcrystalline cellulose, low-substituted hydroxypropylcellulose, magnesium stearate.

Coating:

Hypromellose (E464), titanium dioxide (E171), macrogol 400, talc (E553b).

Appearance of the product and contents of the pack

Cognem is available in 5 mg and 10 mg film-coated tablets. The tablets are described below.

5 mg: White to off-white, round, film-coated tablets with beveled edges, biconvex, approximately 7.14 mm in diameter, with the inscription "5" on one side and smooth on the other.

Cognem 5 mg is available in the following pack sizes:

PVC/Alu blister in a cardboard box:

7, 28, 56, 98, 119, 120 tablets.

Not all pack sizes may be marketed.

Marketing authorization holder and manufacturer:

Marketing authorization holder

Adamed Laboratorios, S.L.U.

C/ de las Rosas de Aravaca, 31 - 2ª planta

28023 Madrid

Spain

Manufacturer

Laboratori FUNDACIO DAU

C/De la letra C, 12-14, Polígono Industrial de la Zona Franca

Barcelona 08040

Spain

This medicine is authorized in the Member States of the European Economic Area under the following names:

Austria

Donepezil Bluefish 5 mg Filmtabletten

Donepezil Bluefish 10 mg Filmtabletten

Germany

Donepezilhydrochlorid Bluefish 5 mg Filmtabletten

Donepezilhydrochlorid Bluefish 10 mg Filmtabletten

Portugal

Donepezil Bluefish

Spain

Cognem 5 mg comprimidos recubiertos con película EFG

Cognem 10 mg comprimidos recubiertos con película EFG

Ireland

Donepezil Hydrochloride Bluefish 5 mg film-coated Tablets

Donepezil Hydrochloride Bluefish 10mg film-coated Tablets

Poland

Donepezil Bluefish

Date of last revision of this leaflet:April 2023

Detailed and up-to-date information on this medicine is available on the website of the Spanish Agency for Medicines and Healthcare Products (AEMPS) http://www.aemps.gob.es

Online doctors for COGNEM 5 mg FILM-COATED TABLETS

Discuss questions about COGNEM 5 mg FILM-COATED TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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Doctor

Anastasiia Hladkykh

Psychiatry 15 years exp.

Dr Anastasiia Hladkykh is a physician-psychotherapist and psychologist with over 14 years of experience working with individuals struggling with various types of addictions and their families. She provides online consultations for adults, combining medical knowledge with deep psychological support and practical tools.

Key areas of expertise:

  • Addiction treatment: alcohol and drug dependence, gambling addiction, compulsive behaviours, codependent relationships.
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  • Mental health: depression, bipolar disorder, obsessive-compulsive disorder (OCD), anxiety disorders, phobias, PTSD, generalised anxiety, emotional trauma, and the psychological impact of loss or emigration.
  • Psychoeducation: explaining complex mental health concepts in simple language, helping patients and their families understand diagnoses and treatment steps.
Therapeutic approach:
  • Client-centred, straightforward, and empathetic – focused on practical outcomes and emotional stabilisation.
  • Prescribes medications when needed, but always aims to minimise unnecessary pharmaceutical use.
  • Certified in multiple evidence-based methods: CBT, NLP (Master Practitioner), Ericksonian hypnosis, symbol drama, art therapy, and systemic therapy.
  • Each consultation results in a clear, structured plan – patients leave knowing exactly what to do next.
Experience and background:
  • Member of the German association Gesundheitpraktikerin and the NGO “Mit dem Sonne in jedem Herzen.”
  • More than 18 publications in international peer-reviewed journals, translated into several languages.
  • Volunteer work with Ukrainian refugees and military personnel at the University Clinic of Regensburg.
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Doctor

Daria Portnova

Psychiatry 31 years exp.

Dr Daria Portnova is a psychiatrist and psychotherapist with over 30 years of clinical experience. She works with adults and adolescents aged 14 and over, providing online psychiatric and psychotherapeutic consultations.

In her practice, Dr Portnova supports patients facing the onset of mental health conditions, chronic psychiatric disorders, psychotic symptoms, trauma-related states, and complex emotional crises. Her work is structured and safety-focused, with an emphasis on stabilisation, accurate diagnosis, and long-term improvement in quality of life.

Patients consult Dr Daria Portnova for the following concerns:

  • existential crises and complex life situations;
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Dr Portnova combines psychiatric assessment with a psychotherapeutic approach. She works with evidence-based methods, including cognitive behavioural therapy (CBT) and third-wave approaches such as ACT, FACT, and CFT. Consultations are focused on clear clinical understanding, practical recommendations, and ongoing support over time.
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Doctor

Sergey Ilyasov

Psychiatry 7 years exp.

Dr Sergey Ilyasov is an experienced neurologist and qualified psychiatrist who provides online consultations for adults and adolescents. Combining deep neurological expertise with a modern psychiatric approach, he ensures comprehensive diagnostics and effective treatment for a wide range of conditions affecting both physical and mental health.

Dr. Ilyasov helps patients in the following cases:

  • Chronic headaches (migraine, tension-type headache), back pain, neuropathic pain, dizziness, numbness in limbs, coordination disorders.
  • Anxiety disorders (panic attacks, generalized anxiety disorder), depression (including atypical and treatment-resistant forms), sleep disturbances (insomnia, hypersomnia, nightmares), stress, burnout.
  • Chronic pain syndromes and psychosomatic symptoms (e.g., irritable bowel syndrome related to stress, vegetative-vascular dystonia).
  • Behavioral disorders and concentration difficulties in adolescents (including ADHD, autism spectrum disorders), nervous tics.
  • Memory impairments, phobias, obsessive-compulsive disorder (OCD), emotional swings, and support for post-traumatic stress disorder (PTSD).

Thanks to his dual specialization in neurology and psychiatry, Dr Sergey Ilyasov offers integrated and evidence-based care for complex conditions requiring a multidisciplinary approach. His consultations focus on accurate diagnosis, development of an individualized treatment plan (including pharmacotherapy and psychotherapeutic methods), and long-term support adapted to each patient's unique needs.

Book an online consultation with Dr. Sergey Ilyasov to receive qualified assistance and improve your well-being today.

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Doctor

Taisiia Proida

Psychiatry 7 years exp.

Dr. Taisiia Proida is a psychiatrist and cognitive behavioural therapist (CBT), and a member of the European Psychiatric Association. She offers online consultations for adults aged 18 and over, combining evidence-based medicine with an individualised approach to mental health care.

She specialises in consultations and ongoing support for a wide range of mental health concerns, including:

  • Mood disorders: depression, bipolar disorder, postpartum depression.
  • Anxiety disorders: generalised anxiety, OCD, panic attacks, phobias.
  • Post-traumatic stress disorder (PTSD) and complex PTSD.
  • Attention deficit hyperactivity disorder (ADHD) and autism spectrum disorder (ASD). Assessment is provided only after an initial psychiatric evaluation and during a follow-up appointment.
  • Personality disorders and emotional instability.
  • Cyclothymia and mood fluctuations.
  • Schizophrenia spectrum and related conditions.

Dr. Proida combines clinical expertise with an empathetic approach, offering structured support based on evidence-based practices. Her work integrates CBT techniques with medical management, with a focus on anxiety and depressive disorders.

She works with clients from different countries and cultural backgrounds, adapting her communication style and recommendations to individual needs. With experience in international clinical trials (Pfizer, Merck), she values clarity, trust, and collaborative partnership in patient care.

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€120

Frequently Asked Questions

Is a prescription required for COGNEM 5 mg FILM-COATED TABLETS?
COGNEM 5 mg FILM-COATED TABLETS requires a prescription in Spain. You can check with a doctor online whether this medicine may be appropriate for your situation.
What is the active substance in COGNEM 5 mg FILM-COATED TABLETS?
The active ingredient in COGNEM 5 mg FILM-COATED TABLETS is donepezil. This information helps identify medicines with the same composition but different brand names.
Who manufactures COGNEM 5 mg FILM-COATED TABLETS?
COGNEM 5 mg FILM-COATED TABLETS is manufactured by Adamed Laboratorios S.L.U.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of COGNEM 5 mg FILM-COATED TABLETS online?
Doctors such as Family doctors, Psychiatrists, Dermatologists, Cardiologists, Endocrinologists, Gastroenterologists, Pulmonologists, Nephrologists, Rheumatologists, Hematologists, Infectious disease physicians, Allergists, Geriatricians, Paediatricians, Oncologists may assess whether COGNEM 5 mg FILM-COATED TABLETS is appropriate, depending on your situation and local regulations. You can book an online consultation to discuss your symptoms and possible next steps.
What are the alternatives to COGNEM 5 mg FILM-COATED TABLETS?
Other medicines with the same active substance (donepezil) include ARICEPT 10 mg FILM-COATED TABLETS, ARICEPT 5 mg FILM-COATED TABLETS, ARICEPT FLAS 10 mg ORALLY DISINTEGRATING TABLETS. These may have different brand names or formulations but contain the same therapeutic ingredient. Always consult a doctor before switching or starting a new medicine.
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