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DYNEXAN 20 mg/g BUCAL GEL

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This page is for general information. Consult a doctor for personal advice. Call emergency services if symptoms are severe.
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

Chikeluo Okeke

General medicine 4 years exp.

Dr Chikeluo Okeke is an internal medicine doctor with extensive international clinical experience. Originally from Nigeria, he has worked across multiple European healthcare systems and currently practises in Sweden. This professional path has given him a strong understanding of different medical approaches and the ability to work effectively with patients from diverse cultural and linguistic backgrounds.

Dr Okeke focuses on general internal medicine and adult primary care, combining clinical accuracy with careful attention to lifestyle, personal context, and everyday health concerns. His consultations are particularly well suited for people who seek medical advice online, live abroad, or need clear guidance without unnecessary complexity.

He provides online consultations covering symptom assessment, prevention, and long-term management of chronic conditions, helping patients understand what is happening and decide on appropriate next steps.

Common reasons for consultation:

  • General internal medicine concerns and initial health assessment.
  • Acute symptoms such as fever, cough, infections, pain, or weakness.
  • Chronic conditions and treatment adjustment.
  • Blood pressure issues, fatigue, metabolic concerns.
  • Preventive consultations and routine check-ups.
  • Interpretation of laboratory results and medical reports.
  • Medical advice for patients receiving care online.

Dr Okeke is known for his clear communication, calm approach, and cultural awareness. He listens carefully, explains medical decisions in a structured way, and supports patients in making informed choices about their health.

Online consultations with Dr Chikeluo Okeke offer reliable internal medicine care without geographic limitations, focused on medical relevance, clarity, and patient comfort.

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Doctor

Andrei Popov

General medicine 7 years exp.

Dr. Andrei Popov is a family physician with specialized training in the management of chronic pain. He provides video consultations for adults in Spain and across Europe: whether you have been living with pain for months that no one has been able to properly explain, or you need to resolve a health issue without waiting weeks for an appointment.

His approach is clear: to listen, organize your case, and provide you with a practical roadmap based on evidence-based medicine and adapted to your medical history and personal needs.

Pain: how he can help

  • Chronic pain (more than 3 months
  • Migraine and recurrent or high-intensity headaches
  •  Neck, lower back, back and joint pain
  •  Post-traumatic pain after injuries or surgeries
  •  Pain of neurological origin: neuralgia, neuropathic pain, fibromyalgia

General medicine

  • Frequent respiratory infections (cold, flu, persistent cough)
  • Hypertension, diabetes and metabolic disorders
  • Review of laboratory tests and MRI/CT reports (explained in clear language)
  • Preventive medicine and health monitoring
  • Second opinions and treatment adjustments (when clinically appropriate)

What the consultation is like
 Each session lasts up to 30 minutes. We review symptoms, medical history, medications and any tests you provide, and you finish the consultation with a clear treatment plan, defined next steps, and criteria to understand when follow-up may be needed. If warning signs are detected, he will clearly advise whether you need in-person care or urgent medical attention.

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€80
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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.
  • Internal medicine: heart, lungs, gastrointestinal tract, urinary system. Management of chronic conditions, symptom control, second opinions.
  • 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.
  • Injuries and trauma: bruises, fractures, sprains, soft tissue damage, wound care, dressing, referral when in-person care is required.
  • 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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Doctor

Joao Silva

General medicine 6 years exp.

Dr. João Silva is a physician with training and experience in the field of General and Family Medicine, dedicated to providing healthcare focused on the well-being and quality of life of his patients. Throughout his professional career, he has developed broad clinical competencies, striving to maintain a medical practice based on scientific evidence and continuous knowledge updates.

Between 2013 and 2019, he completed the Integrated Master's Degree in Medicine at the Abel Salazar Institute of Biomedical Sciences in Porto, where he acquired a solid academic and clinical education.

Subsequently, between January 2021 and December 2021, he completed the General Internship at the Entre Douro e Vouga Hospital Center in Santa Maria da Feira, where he had the opportunity to work in different hospital settings and deepen his competencies in several areas of medicine.

From January 2022 until March 2026, he works as a Resident Physician in General and Family Medicine at USF Salvador Machado in Oliveira de Azeméis, developing clinical activities in primary healthcare, follow-up of chronic patients, and health promotion in the community.

Complementing his medical training, Dr. João Silva also completed a Postgraduate Degree in Continuing and Palliative Care at CESPU, strengthening his preparation in the comprehensive approach to patient care, especially in situations requiring prolonged care and multidisciplinary support.

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€55
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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)
  •  Angiography
  •  Abdomen and pelvis
  •  Soft tissues

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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€60

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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