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DORMÍKERN 25 mg FILM-COATED TABLETS

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About the medicine

How to use DORMÍKERN 25 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

DormiKern 25 mg Film-Coated Tablets

Doxylamine, Hydrogen Succinate

Read all of this leaflet carefully before you start taking this medicine because it contains important information for you.

Follow exactly the administration instructions of the medicine contained in this leaflet or as indicated by your doctor or pharmacist.

  • Keep this leaflet, as you may need to read it again.
  • If you need advice or more information, consult your pharmacist.
  • If you experience side effects, consult your doctor or pharmacist, even if they are not listed in this leaflet.
  • You should consult a doctor if your symptoms worsen or do not improve after 7 days.

Contents of the Package Leaflet

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

1. What is DormiKern and what is it used for

DormiKern is a medicine that contains the active ingredient doxylamine hydrogen succinate. Doxylamine belongs to a group of medicines called antihistamines with sedative properties.

This medicine is indicated for the symptomatic treatment of occasional insomnia in adults over 18 years of age.

You should consult a doctor if your symptoms worsen or do not improve after 7 days.

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 taking DormiKern

  • Do not take DormiKern
  • If you are allergic to doxylamine or any of the other ingredients of this medicine (listed in section 6).
  • If you are allergic to other antihistamines (antiallergics).
  • If you are pregnant or breastfeeding.
  • Warnings and precautions

Consult your doctor or pharmacist before taking DormiKern.

You should consult a doctor before taking this medicine if you have:

  • Liver or kidney function disorders.
  • Epilepsy.
  • QT interval prolongation (a heart problem).
  • Low potassium levels in the blood or other electrolyte disorders.
  • Heart disease and high blood pressure.
  • Asthma, chronic bronchitis (persistent inflammation of the bronchi), and pulmonary emphysema (a disease that affects the lungs, making breathing difficult).
  • Glaucoma (increased eye pressure).
  • Urinary retention.
  • Prostatic hypertrophy (abnormal enlargement of the prostate).
  • Peptic ulcer (erosion of the stomach or duodenum wall), pyloroduodenal obstruction (difficulty passing food from the stomach to the intestine), and vesical neck obstruction (a disease of the urinary tract).

If you experience drowsiness during the day, it may be necessary to reduce the dose or take it earlier to ensure that at least 8 hours pass until wake-up time.

Alcohol consumption should be avoided during treatment.

If you are over 65 years old, you may be more susceptible to experiencing side effects.

DormiKern may worsen dehydration and heat stroke symptoms due to decreased sweating.

  • Taking DormiKern with other medicines

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

Do not take DormiKern with the following medicines, as their effects may be increased:

  • Epinephrine (for low blood pressure treatment).
  • Medicines that act on the heart, such as those used for arrhythmia treatment, some antibiotics, certain antimalarial drugs, certain antihistamines, certain lipid-lowering agents, or certain neuroleptics.
  • Medicines that decrease the elimination of other medicines, such as azole derivatives or macrolides, as they may increase the effect of DormiKern.
  • Certain diuretics (medicines that increase urine elimination).
  • Central nervous system depressants (e.g., barbiturates, hypnotics, sedatives, anxiolytics, opioid analgesics, antipsychotics, or procarbazine).
  • Antihypertensive agents with central nervous system effects, such as guanabenz, clonidine, or alpha-methyldopa.
  • Other anticholinergic agents, such as medicines for depression or Parkinson's disease treatment, monoamine oxidase inhibitors (antidepressants), neuroleptics (medicines for mental disorder treatment), atropine-like medicines for spasm treatment, or disopyramide (for certain heart problems).
  • If you are taking other medicines that can cause ear toxicity, such as carboplatin or cisplatin (cancer medicines), chloroquine (a medicine for malaria treatment or prevention), or certain antibiotics (infection medicines) like erythromycin or injectable aminoglycosides; DormiKern may mask the toxic effects of these medicines, so you should have your ears checked regularly.
  • Interference with diagnostic tests

Doxylamine may interfere with skin allergy tests that use allergens. It is recommended to stop treatment with DormiKern at least 3 days before starting such tests.

  • Taking DormiKern with food, drinks, and alcohol

Alcoholic beverages should not be consumed during treatment with DormiKern. See section 3. How to take DormiKern.

  • Pregnancy, breastfeeding, and fertility

Do not take DormiKern if you are pregnant, plan to become pregnant, or are breastfeeding.

No data are available on the possible effects of DormiKern on human fertility.

  • Driving and using machines

DormiKern's influence on the ability to drive and use machines is significant. Do not drive or use hazardous machinery while taking this medicine, at least during the first days of treatment, until you know how it affects you.

3. How to take DormiKern

Follow exactly the administration instructions of the medicine contained in this leaflet or as indicated by your doctor or pharmacist. If in doubt, ask your doctor or pharmacist.

Adults (over 18 years of age)

The recommended dose is 1 tablet (25 mg) per day.

If drowsiness occurs during the day, it is recommended to reduce the dose to half a tablet (12.5 mg) per day or take it earlier to ensure that at least 8 hours pass until wake-up time.

Do not take more than 1 tablet (25 mg) per day.

Use in adults over 65 years of age

Adults over 65 years of age are more prone to suffering from other diseases that may recommend a dose reduction. In case of unwanted side effects, it is recommended to reduce the dose to half a tablet (12.5 mg) per day.

Use in patients with liver or kidney disease

These patients should take a different dose, adjusted to the degree of their disease, which will be determined by the doctor.

Use in children and adolescents

DormiKern is not recommended for use in children under 18 years of age, so the medicine should not be used in this population.

Route and method of administration

Oral route.

The tablet can be divided into equal doses.

Tablets should be taken 30 minutes before bedtime with a sufficient amount of liquid (preferably water).

Duration of treatment

The duration of treatment should be as short as possible. In general, the duration of treatment may range from a few days to a week.

It should not be administered for a period exceeding 7 days without consulting a doctor.

  • If you take more DormiKern than you should

Symptoms of overdose are: drowsiness, depression or stimulation of the central nervous system, anticholinergic effects (dilated pupils, fever, dry mouth, decreased intestinal tone), flushing, increased or altered heart rate, increased blood pressure, nausea, vomiting, agitation, altered gait, dizziness, irritability, sedation, confusion, and hallucinations. Delirium, psychosis, decreased blood pressure, convulsions, decreased respiration, loss of consciousness, coma, and death may occur. A serious complication can be rhabdomyolysis (muscle damage), followed by kidney failure.

There is no specific antidote for antihistamine overdose, so treatment is symptomatic and supportive. Your doctor will assess the need to induce vomiting, perform stomach lavage, or prescribe medicines to increase blood pressure if necessary.

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

  • If you forget to take DormiKern

Do not take a double dose to make up for forgotten doses.

Take your dose at the usual time the next day.

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

Medicine questions

Started taking the medicine and have questions?

Discuss your symptoms and treatment with a doctor online.

4. Possible side effects

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

The side effects of doxylamine are, in general, mild and transient, being more frequent in the first days of treatment.

Common side effects (may affect up to 1 in 10 people): drowsiness and effects such as dry mouth, constipation, blurred vision, urinary retention, increased bronchial secretion, vertigo, dizziness, headache, abdominal pain, fatigue, insomnia, and nervousness.

Uncommon side effects (may affect up to 1 in 100 people): asthenia (fatigue), peripheral edema (inflammation of arms and legs), nausea, vomiting, diarrhea, skin rash, tinnitus (ringing in the ears), orthostatic hypotension (decreased blood pressure due to posture changes), diplopia (double vision), dyspepsia (stomach disorders), feeling of relaxation, nightmares, and dyspnea (breathing difficulties).

Rare side effects (may affect up to 1 in 1,000 people): agitation (especially in children and the elderly), tremor, convulsions, or blood disorders such as hemolytic anemia, thrombocytopenia, leukopenia, or agranulocytosis (decrease in certain blood cells).

Side effects of unknown frequency (cannot be estimated from the available data): general malaise.

Other side effects that have occurred with the use of antihistamines in general, although not observed with doxylamine, are the following: arrhythmia (heart rate alteration), palpitations, duodenogastric reflux, abnormal liver function (cholestatic jaundice), prolonged QT interval on the electrocardiogram (a cardiac disorder), decreased appetite, increased appetite, myalgia (muscle pain), abnormal coordination, extrapyramidal disorder (movement disorders), paresthesia (abnormal sensations), psychomotor activity impairment (senses-movement coordination), depression, decreased bronchial secretion, alopecia (hair loss), allergic dermatitis, hyperhidrosis (excessive sweating), photosensitivity reaction, or hypotension (low blood pressure).

The frequency and magnitude of side effects can be reduced by decreasing the daily dose.

Adults over 65 years of age have a higher risk of experiencing adverse reactions, as they may have other diseases or be taking other medicines simultaneously. These people also have a higher risk of falls.

If you experience side effects, consult your doctor or pharmacist, even if they are not listed in this leaflet.

5. Storage of DormiKern

No special storage conditions are required.

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

Do not use this medicine after the expiry date stated on the packaging after "EXP". The expiry date is the last day of the month indicated.

Medicines should not be disposed of via wastewater or household waste. Place the packaging and any unused medicine in the pharmacy's SIGRE collection point. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medicine. This will help protect the environment.

6. Contents of the pack and further information

Composition of DormiKern

The active ingredient is doxylamine. Each tablet contains 25 mg of doxylamine hydrogen succinate.

The other ingredients are: Tablet core: microcrystalline cellulose, calcium hydrogen phosphate dihydrate, low-substituted hydroxypropylcellulose, colloidal silica, and magnesium stearate.

Tablet coating: hypromellose, titanium dioxide (E-171), macrogol 6000, talc, and indigo carmine lake (E-132).

Appearance of the product and pack contents

DormiKern 25 mg is presented in the form of film-coated tablets of blue color, oblong shape, and scored. Each pack contains 7 and 14 tablets.

Marketing authorization holder

KERN PHARMA, S.L.

Venus, 72. Poligono Industrial Colon II.

08228- Tarrasa, Barcelona

Spain

Manufacturer

LABORATORIOS NORMON, S.A.

Ronda de Valdecarrizo, 6 – 28760 Tres Cantos – Madrid (SPAIN)

Date of last revision of this leaflet: May 2013

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

Online doctors for DORMÍKERN 25 mg FILM-COATED TABLETS

Discuss questions about DORMÍKERN 25 mg FILM-COATED TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

5.0 (25)
Doctor

Lina Travkina

Family medicine 13 years exp.

Dr. Lina Travkina is a licensed family and preventive medicine doctor based in Italy. She provides online consultations for adults and children, supporting patients across all stages of care – from acute symptom management to long-term health monitoring and prevention.

Areas of medical care include:

  • Respiratory conditions: colds, flu, acute and chronic bronchitis, mild to moderate pneumonia, bronchial asthma.
  • ENT and eye conditions: sinusitis, tonsillitis, pharyngitis, otitis, infectious and allergic conjunctivitis.
  • Digestive issues: gastritis, acid reflux (GERD), IBS, dyspepsia, bloating, constipation, diarrhoea, functional bowel symptoms, intestinal infections.
  • Urological and infectious diseases: acute and recurrent cystitis, bladder and kidney infections, prevention of recurrent UTIs, asymptomatic bacteriuria.
  • Chronic conditions: hypertension, diabetes, hypercholesterolemia, metabolic syndrome, thyroid disorders, excess weight.
  • Neurological and general symptoms: headache, migraine, dizziness, fatigue, sleep disturbances, reduced concentration, anxiety, asthenia.
  • Chronic pain support: back, neck, joint, and muscle pain, tension syndromes, pain associated with osteochondrosis and chronic conditions.

Additional care areas:

  • Preventive consultations and check-up planning.
  • Medical advice and follow-up consultations.
  • Test interpretation and diagnostic guidance.
  • Structured support for undiagnosed complaints.
  • Second opinion on diagnoses and treatment plans.
  • Nutritional and lifestyle support for vitamin deficiencies, anaemia, metabolic issues.
  • Post-operative recovery support and pain management.
  • Preconception counselling and postpartum support.
  • Immunity support and strategies to reduce frequency of infections.

Dr. Travkina combines evidence-based medicine with an attentive, personalised approach. Her consultations focus not only on treatment, but also on prevention, recovery, and long-term wellbeing.

If during the consultation it becomes clear that your case requires in-person assessment or specialised care outside of her scope, the session will be terminated and the payment fully refunded.

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€70
5.0 (140)
Doctor

Yevgen Yakovenko

General surgery 12 years exp.

Dr. Yevgen Yakovenko is a licensed surgeon and general practitioner in Spain and Germany. He specialises in general, paediatric, and oncological surgery, internal medicine, and pain management. He offers online consultations for adults and children, combining surgical precision with therapeutic support. Dr Yakovenko works with patients across different countries and provides care in Ukrainian, Russian, English, and Spanish.

Areas of medical expertise:

  • Acute and chronic pain: headaches, muscle and joint pain, back pain, abdominal pain, postoperative pain. Identifying the cause, selecting treatment, and creating a care plan.
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  • Pre- and postoperative care: risk assessment, decision-making support, follow-up after surgery, rehabilitation strategies.
  • General and paediatric surgery: hernias, appendicitis, congenital conditions, both planned and urgent surgeries.
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  • Oncological surgery: diagnosis review, treatment planning, and long-term follow-up.
  • Obesity treatment and weight management: a medical approach to weight loss, including assessment of underlying causes, evaluation of comorbidities, development of a personalised plan (nutrition, physical activity, pharmacotherapy if needed), and ongoing progress monitoring.
  • Imaging interpretation: analysis of ultrasound, CT, MRI, and X-ray results, surgical planning based on imaging data.
  • Second opinions and medical navigation: clarifying diagnoses, reviewing current treatment plans, helping patients choose the best course of action.

Experience and qualifications:

  • 12+ years of clinical experience in university hospitals in Germany and Spain.
  • International education: Ukraine – Germany – Spain.
  • Member of the German Society of Surgeons (BDC).
  • Certified in radiological diagnostics and robotic surgery.
  • Active participant in international medical conferences and research.

Dr Yakovenko explains complex topics in a clear, accessible way. He works collaboratively with patients to analyse health issues and make evidence-based decisions. His approach is grounded in clinical excellence, scientific accuracy, and respect for each individual.

If you are unsure about a diagnosis, preparing for surgery, or want to discuss your test results – Dr Yakovenko will help you evaluate your options and move forward with confidence.

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€50
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Doctor

Hocine Lokchiri

General medicine 21 years exp.

Dr. Hocine Lokchiri is a French consultant with over 20 years of experience in General and Emergency Medicine. He works with adults and children, helping patients with urgent symptoms, infections, sudden health changes and everyday medical concerns that require timely evaluation. His background includes clinical practice in France, Switzerland and the United Arab Emirates, which allows him to navigate different healthcare systems and manage a wide range of conditions with confidence. Patients value his calm, structured approach, clear explanations and evidence-based decision-making.

Online consultations with Dr. Lokchiri are suitable for many situations when someone needs quick medical guidance, reassurance or a clear next step. Common reasons for booking include:

  • fever, chills, fatigue and viral symptoms
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  • nausea, diarrhoea, abdominal pain, digestive infections
  • rashes, allergic reactions, redness, insect bites
  • muscle or joint pain, mild injuries, sprains
  • headache, dizziness, migraine symptoms
  • stress-related symptoms, sleep disturbances
  • questions about test results and treatment plans
  • management of chronic conditions in stable phases
Many patients reach out when symptoms appear suddenly and cause concern, when a child becomes unwell unexpectedly, when a rash changes or spreads, or when it’s unclear whether an in-person examination is necessary. His emergency medicine background is particularly valuable online, helping patients understand risk levels, identify warning signs and choose safe next steps.

Some situations are not suitable for online care. If a patient has loss of consciousness, severe chest pain, uncontrolled bleeding, seizures, major trauma or symptoms suggesting a stroke or heart attack, he will advise seeking immediate local emergency services. This improves safety and ensures patients receive the right level of care.

Dr. Lokchiri’s professional training includes:

  • Advanced Trauma Life Support (ATLS)
  • Basic and Advanced Cardiac Life Support (BLS/ACLS)
  • Pediatric Advanced Life Support (PALS)
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  • eFAST and critical care transthoracic echocardiography
  • aviation medicine
He is an active member of several professional organisations, including the French Society of Emergency Medicine (SFMU), the French Association for Emergency Physicians (AMUF) and the Swiss Society of Emergency and Rescue Medicine (SGNOR). In consultations, he works with clarity and precision, helping patients understand their symptoms, possible risks and the safest treatment options.
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€58
5.0 (760)
Doctor

Alina Tsurkan

Family medicine 13 years exp.

Dr. Alina Tsurkan is a licensed family medicine physician based in Portugal, offering online consultations for adults and children. She provides professional primary care, with a focus on prevention, accurate diagnosis, and long-term management of acute and chronic conditions.

Dr. Tsurkan supports patients with a wide range of health issues, including:

  • Respiratory infections: cold, flu, bronchitis, pneumonia, and lingering coughs.
  • ENT conditions: sinusitis, tonsillitis, otitis (ear infections), sore throat, allergic rhinitis.
  • Eye conditions: allergic or infectious conjunctivitis, red eyes, irritation.
  • Digestive issues: acid reflux (GERD), gastritis, irritable bowel syndrome (IBS), constipation, bloating, nausea.
  • Urinary and reproductive health: urinary tract infections (UTIs), cystitis, prevention of recurrent infections.
  • Chronic diseases: hypertension, elevated cholesterol, weight management.
  • Neurological complaints: headaches, migraines, sleep disturbances, fatigue, general weakness.
  • Children’s health: fever, infections, digestive issues, follow-ups, vaccination guidance.

She also provides:

  • IMT medical certificates for driving licence exchange in Portugal.
  • Personalised preventive care and wellness consultations.
  • Interpretation of test results and medical reports.
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  • Support in managing multiple coexisting conditions.
  • Remote prescription management and medical documentation.

Dr. Tsurkan’s approach is evidence-based and holistic. She works closely with each patient to develop an individualised care plan that addresses both symptoms and root causes. Her goal is to empower patients to take control of their health and maintain well-being through lifestyle adjustments, routine check-ups, and early intervention.

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€55

Frequently Asked Questions

Is a prescription required for DORMÍKERN 25 mg FILM-COATED TABLETS?
DORMÍKERN 25 mg FILM-COATED TABLETS does not require 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 DORMÍKERN 25 mg FILM-COATED TABLETS?
The active ingredient in DORMÍKERN 25 mg FILM-COATED TABLETS is doxylamine. This information helps identify medicines with the same composition but different brand names.
Who manufactures DORMÍKERN 25 mg FILM-COATED TABLETS?
DORMÍKERN 25 mg FILM-COATED TABLETS is manufactured by Kern Pharma S.L.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of DORMÍKERN 25 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 DORMÍKERN 25 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 DORMÍKERN 25 mg FILM-COATED TABLETS?
Other medicines with the same active substance (doxylamine) include DORMIDINA DOXILAMINE 12.5 mg FILM-COATED TABLETS, DORMIDINA DOXILAMINE 25 mg FILM-COATED TABLETS, DORMIGEN 25 mg FILM-COATED 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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