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DYNEXAN 20 mg/g BUCAL GEL

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About the medicine

How to use DYNEXAN 20 mg/g BUCAL GEL

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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 Patient

Dynexan 20 mg/g Oral Gel

Lidocaine Hydrochloride

Read the entire package leaflet carefully before starting to use this medication, as it contains important information for you.

  • Follow the administration instructions for the medication contained in this package leaflet or as indicated by your doctor, dentist, or pharmacist.
  • Keep this package 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, dentist, or pharmacist, even if they are not listed in this package leaflet. See section 4.
  • You should consult a doctor or dentist if it worsens or does not improve after 2 days and the underlying cause is unknown.

Contents of the Package Leaflet:

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

1. What is Dynexan and what is it used for

Dynexan contains the active ingredient lidocaine hydrochloride, a substance for local numbing (local anesthesia) of the skin and mucous membranes.

Dynexan is used for the short-term symptomatic treatment of pain in the oral mucosa, gums, and lips in adults, adolescents, and children from 6 years of age.

You should consult a doctor or dentist if it worsens or does not improve after 2 days and the underlying cause is unknown.

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 using Dynexan

Do not use Dynexan:

  • if you are allergic to lidocaine hydrochloride or any of the other components of this medication (listed in section 6).
  • if you are allergic to local anesthetics of the amide type (e.g., prilocaine, mepivacaine).

Warnings and precautions

Consult your doctor, dentist, or pharmacist before starting to use Dynexan if you have severe underlying diseases, e.g., heart disease or severe liver or kidney disease.

Within 45 minutes after application, you should be cautious when consuming hot drinks or food to avoid asphyxiation, biting, or burns on the tongue.

Children

Do not administer this medication to children under 6 years of age.

Other medications and Dynexan

Tell your doctor, dentist, or pharmacist if you are using, have recently used, or might use any other medication.

Pregnancy and breastfeeding

If you are pregnant or breastfeeding, think you might be pregnant, or plan to become pregnant, consult your doctor, dentist, or pharmacist before using this medication. Dynexan should not be used during pregnancy unless strictly necessary.

Lidocaine is excreted in breast milk in small amounts.

At therapeutic doses of Dynexan, no effects on breastfed infants are expected.

Driving and using machines

Dynexan has no known effect on the ability to drive and use machinery.

Dynexan contains benzalkonium chloride

This medication contains 1 mg of benzalkonium chloride per gram of gel.Benzalkonium chloride may cause local irritation.

3. How to use Dynexan

Follow the administration instructions for the medication contained in this package leaflet or as indicated by your doctor, dentist, or pharmacist. In case of doubt, ask your doctor, dentist, or pharmacist.

Adults and adolescents

The recommended dose for adults and adolescents is 4-8 applications per day of a pea-sized amount of gel (approx. 0.2 g of gel (4 mg of lidocaine hydrochloride)).

Use in children

For children from 6 years of age, the dosage should be up to 4 times a day, a pea-sized amount of gel (approx. 0.2 g of gel (4 mg of lidocaine hydrochloride)).

How to administer

Oral route.

Apply Dynexan to the painful areas and gently massage.

If you wear dentures or dental appliances, apply a thin layer of Dynexan to the affected areas.

If symptoms persist for more than 2 days and the underlying cause is unknown, you should consult a doctor or dentist.

If you use more Dynexan than you should

So far, no cases of intoxication due to overdose, accidental ingestion, or errors with Dynexan have been reported. If you think you have used more Dynexan than you should, talk to your doctor or dentist immediately.

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 medication and the amount ingested.

If you have any other questions about the use of this medication, ask your doctor, dentist, 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 medications, this medication can cause side effects, although not everyone experiences them.

Very rarely, Dynexan may cause allergic reactions, in the most severe cases, an acute hypersensitivity reaction that can cause shock (anaphylactic shock). If you develop an allergic reaction, stop using Dynexan and seek medical attention immediately.

Other possible side effects

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

  • Local skin alterations, e.g., burning sensation, swelling, redness, itching, urticaria, contact dermatitis, exanthema, pain
  • Alteration of taste
  • Numbness

Reporting side effects

If you experience any side effects, consult your doctor, dentist, or pharmacist, even if they are not listed in this package leaflet. You can also report them directly through the Spanish Medicines Monitoring System: https://www.notificaram.es. By reporting side effects, you can help provide more information on the safety of this medication.

5. Storage of Dynexan

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

Do not use this medication after the expiration date stated on the carton and tube after EXP. The expiration date is the last day of the month indicated.

No special storage conditions are required.

After opening the tube, the validity period is 3 months.

Medications should not be disposed of via wastewater or household waste. Deposit the packaging and any unused medication in the SIGRE collection point at the pharmacy. If in doubt, ask your pharmacist how to dispose of the packaging and any unused medication. This will help protect the environment.

6. Contents of the pack and further information

Composition of Dynexan

  • The active ingredient is lidocaine hydrochloride.
  • 1 g of gel contains 20 mg of lidocaine hydrochloride (as lidocaine hydrochloride 1 H2O).
  • The other components (excipients) are benzalkonium chloride, glycerol, guar gum, partially demetholized peppermint oil, liquid paraffin, peppermint oil, sodium saccharin, anhydrous colloidal silica, thymol, soft white petrolatum, purified water.

Appearance and packaging of the product

Dynexan is a white gel-like paste in the form of an oral gel.

Tubes containing 10 g of oral gel

Not all pack sizes may be marketed.

Marketing authorization holder and manufacturerChemische Fabrik Kreussler & Co. GmbH Rheingaustr. 87-93 65203 Wiesbaden Germany

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

Germany: LidocainKreussler 20 mg/g Gel zur Anwendung am Zahnfleisch/in der Mundhöhle

Spain: Dynexan 20 mg/g oral gel

Italy, Poland: Dynexan

Luxembourg: Dynexan Gel

Netherlands: Dynexan Gel 20 mg/g, gel voor oromucosaal gebruik

Date of the last revision of this package leaflet:

March 2025

Detailed and up-to-date information on this medication can be found on the website of the Spanish Agency for Medicines and Health Products (AEMPS) http://www.aemps.gob.es/

Online doctors for DYNEXAN 20 mg/g BUCAL GEL

Discuss questions about DYNEXAN 20 mg/g BUCAL GEL, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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Doctor

Bulat Garipov

General medicine 15 years exp.

Dr. Bulat Garipov is a radiologist with more than 15 years of experience, specializing in magnetic resonance imaging (MRI). Throughout his professional career, he has worked in leading diagnostic imaging centers, both in on-site practice and teleradiology, which has allowed him to develop a broad and versatile approach to radiology.

Over the years, he has gained solid experience in interpreting MRI studies in various areas, including:

  •  Neuroimaging
  •  Musculoskeletal system (MSK)
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Additionally, Dr. Garipov is open to new collaboration opportunities in radiology and teleradiology projects. He offers his expertise in MRI, providing both first and second readings of studies, as well as advanced image interpretation, ensuring accurate and high-quality diagnostics.

You could consult Dr. Bulat Garipov in cases where accurate interpretation of MRI studies or a second expert opinion is required. His expertise is especially valuable in cases of suspected neurological conditions, back and joint pain, vascular disorders, as well as in the diagnosis of abdominal and pelvic diseases. The doctor also provides support in complex or unclear clinical situations, including the review of previously performed studies, which helps improve diagnostic accuracy and determine the optimal treatment strategy. A teleradiology format is available, allowing you to receive a professional opinion remotely.

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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

Anna Biriukova

General medicine 6 years exp.

Dr Anna Biriukova is an internal medicine doctor with clinical experience in cardiology, endocrinology, and gastroenterology. She provides online consultations for adults, offering expert medical support for heart health, hormonal balance, digestive issues, and general internal medicine.

Cardiology – Diagnosis and treatment of:

  • High blood pressure, blood pressure fluctuations, and cardiovascular risk prevention.
  • Chest pain, shortness of breath, arrhythmias (tachycardia, bradycardia, palpitations).
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  • EKG interpretation, lipid profile evaluation, cardiovascular risk assessment (heart attack, stroke).
  • Post-COVID-19 cardiac monitoring and care.
Endocrinology – Diabetes, thyroid, metabolism:
  • Diagnosis and management of type 1 and type 2 diabetes, and prediabetes.
  • Individual treatment plans including oral medications and insulin therapy.
  • GLP-1 therapy– modern pharmacological treatment for weight management and diabetes control, including drug selection, monitoring, and safety follow-up.
  • Thyroid disorders – hypothyroidism, hyperthyroidism, autoimmune thyroid diseases (Hashimoto’s, Graves’ disease).
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Gastroenterology – Digestive health:
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General internal medicine and preventive care:
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Dr Biriukova combines internal medicine with specialist insight, offering clear explanations, personalised treatment plans, and comprehensive care tailored to each patient.
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Doctor

Maria Martelli

Anaesthesiology 12 years exp.

Dr Maria Martelli is a medical doctor specialising in anaesthesiology and pain medicine. She provides online consultations for adults, focusing on the assessment and management of acute, chronic, and complex pain conditions, as well as supportive care in serious illness. She graduated from the Medical University of Silesia in Katowice and completed her specialisation in Anaesthesiology and Intensive Care. Alongside hospital work, she has extensive experience in home and inpatient hospice care, supporting patients with severe pain and advanced disease. Since 2021, she has been a certified specialist and continues to work in anaesthesiology, intensive care, and pain treatment. Patients consult her for: 

  • Chronic pain lasting more than 3 months (musculoskeletal, neuropathic, mixed pain).
  • Acute pain requiring medical assessment and treatment planning.
  • Post-operative pain and recovery support.
  • Cancer-related pain and symptom relief.
  • Palliative care support and quality-of-life improvement.
  • Adjustment and optimisation of pain medication.
  • Second opinions for complex or treatment-resistant pain.

Dr Martelli takes a structured, evidence-based approach, carefully analysing symptoms, previous treatments, and overall health status. Her consultations focus on realistic pain control goals, safety of therapy, and improving daily functioning. She is especially attentive to patients living with long-term pain or serious illness, providing clear explanations, compassionate guidance, and medically sound recommendations adapted to each individual situation.

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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:

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Therapeutic approach:
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  • Certified in multiple evidence-based methods: CBT, NLP (Master Practitioner), Ericksonian hypnosis, symbol drama, art therapy, and systemic therapy.
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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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€130

Frequently Asked Questions

Is a prescription required for DYNEXAN 20 mg/g BUCAL GEL?
DYNEXAN 20 mg/g BUCAL GEL 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 DYNEXAN 20 mg/g BUCAL GEL?
The active ingredient in DYNEXAN 20 mg/g BUCAL GEL is lidocaine. This information helps identify medicines with the same composition but different brand names.
Who manufactures DYNEXAN 20 mg/g BUCAL GEL?
DYNEXAN 20 mg/g BUCAL GEL is manufactured by Chemische Fabrik Kreussler & Co Gmbh. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of DYNEXAN 20 mg/g BUCAL GEL 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 DYNEXAN 20 mg/g BUCAL GEL 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 DYNEXAN 20 mg/g BUCAL GEL?
Other medicines with the same active substance (lidocaine) include ACTILOGIC 700 MG MEDICATED ADHESIVE DRESSING, INSTILLIDO 20 mg/ml GEL, LAMBDALINA 40 mg/g CREAM. 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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