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SOÑODOR DIPHENHYDRAMINE 50 mg TABLETS

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About the medicine

How to use SOÑODOR DIPHENHYDRAMINE 50 mg 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

Sonodor Diphenhydramine 50 mg Tablets

Diphenhydramine Hydrochloride

Read the entire package leaflet carefully before starting to take this medication because it contains important information for you.

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

  • 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 or pharmacist, even if they are side effects not listed in this package leaflet. See section 4.
  • You should consult a doctor if it worsens or does not improve after 7 days.

Contents of the Package Leaflet

  1. What Sonodor Diphenhydramine is and what it is used for
  2. What you need to know before taking Sonodor Diphenhydramine
  3. How to take Sonodor Diphenhydramine
  4. Possible side effects

5 Conservation of Sonodor Diphenhydramine

  1. Package Contents and Additional Information

1. What Sonodor Diphenhydramine is and what it is used for

Sonodor Diphenhydramine 50 mg tablets are indicated in adults for the symptomatic treatment of occasional insomnia, particularly when there is difficulty falling asleep, such as in situations of restlessness, frequent interruptions during sleep, or early morning waking.

You should consult a doctor if it worsens or does not improve after 7 days.

Doctor consultation

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Discuss your symptoms and treatment with a doctor online.

2. What you need to know before starting to take Sonodor Diphenhydramine

Do not take Sonodor Diphenhydramine:

  • if you are allergic to diphenhydramine hydrochloride or any of the other components of this medication (listed in section 6),
  • if you have asthma,
  • if you have difficulty breathing,
  • if you have chronic pulmonary emphysema (severe lung disease),
  • if you have glaucoma (increased intraocular pressure),
  • if you have difficulty urinating due to prostate problems,
  • if you are pregnant or breastfeeding.

Warnings and Precautions

Consult your doctor or pharmacist before starting to take Sonodor Diphenhydramine.

It is recommended to administer the medication only before bedtime. It should not be administered for a period exceeding 7 days, nor to minors under 18 years, unless with medical knowledge or recommendation, as insomnia may be a symptom of a more important disease. If morning somnolence appears, reduce the dose.

Children and Adolescents

Sonodor Diphenhydramine can only be used in young people between 12 and 18 years under medical recommendation.

The safety and efficacy of Sonodor Diphenhydramine have not been established in children under 12 years. No data are available.

Other Medications and Sonodor Diphenhydramine

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

Sonodor Diphenhydramine should not be administered concomitantly with alcohol, sedatives, tranquilizers, or other central nervous system depressants, due to a possible additive effect. MAOI antidepressants (monoamine oxidase inhibitors) may prolong and intensify the anticholinergic effects of diphenhydramine, so if you are being treated with any of them, you should consult your doctor before taking this medication.

Interference with diagnosis: Sonodor Diphenhydramine may interfere with skin tests using allergens. It is recommended to discontinue this medication at least 3 days before starting such tests and inform the doctor.

Taking Sonodor Diphenhydramine with Food, Beverages, and Alcohol

Consuming alcohol along with Sonodor Diphenhydramine may intensify the effect of the medication.

Pregnancy, Breastfeeding, and Fertility

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

Do not administer during pregnancy, especially during the first and last trimester, unless, in the medical opinion, the benefits justify the potential risks.

Do not administer during breastfeeding.

Driving and Using Machines

Do not drive or operate tools or machines during treatment with Sonodor Diphenhydramine because this medication produces somnolence.

Sonodor Diphenhydramine contains Lactose

This medication contains lactose. If your doctor has told you that you have an intolerance to certain sugars, consult with them before taking this medication.

3. How to take Sonodor Diphenhydramine

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

Sonodor Diphenhydramine is administered orally. Swallow the tablets with the help of some liquid, 20-30 minutes before bedtime.

The recommended dose is:

  • Adults: 1 tablet per day (50 mg)

Use in Children and Adolescents

  • It can only be used in adolescents between 12 and 18 years under medical recommendation.

Adolescents between 12 and 18 years: The recommended dose is half a tablet per day (25 mg), always under medical recommendation.

The tablets can be divided into two equal halves.

  • Do not administer to children under 12 years. The safety and efficacy of Sonodor Diphenhydramine have not been established in children under 12 years. No data are available.

If you take more Sonodor Diphenhydramine than you should

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 quantity ingested.

If you forget to take Sonodor Diphenhydramine

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

If you have any other doubts about the use of this medication, 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 medications, this medication can produce side effects, although not all people experience them.

After administration of diphenhydramine hydrochloride, the following adverse reactions have been reported, whose frequency cannot be established with precision:

Occasionally, diarrhea, anorexia (loss of appetite), stomach discomfort or pain, constipation, difficulty urinating, dizziness, confusion, dry mouth, and blurred vision may occur.

Rarely, tremors, skin rash (skin eruption), and photosensitivity have been described.

Exceptionally, certain blood disorders such as leukopenia, thrombocytopenia, and hemolytic anemia have been described.

In most cases, the reported side effects were mild and did not require discontinuation of treatment.

Reporting of Side Effects

If you experience any type of side effect, consult your doctor or pharmacist, even if it is a possible side effect not listed in this package leaflet. You can also report them directly through the Spanish Medication Pharmacovigilance System: https://www.notificaram.es. By reporting side effects, you can contribute to providing more information on the safety of this medication.

5. Conservation of Sonodor Diphenhydramine

Keep this medication out of sight and reach of children.

No special storage conditions are required.

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

Medications should not be disposed of through wastewater or household waste. Deposit the packaging and medications you no longer need at the SIGRE point in the pharmacy. Ask your pharmacist how to dispose of the packaging and medications you no longer need. This way, you will help protect the environment.

6. Package Contents and Additional Information

Composition of Sonodor Diphenhydramine

  • The active ingredient is diphenhydramine hydrochloride. Each tablet contains 50 mg of diphenhydramine hydrochloride.
  • The other components (excipients) are lactose monohydrate, microcrystalline cellulose, stearic acid, anhydrous colloidal silica, and magnesium stearate.

Appearance of the Product and Package Contents

Scored tablets for oral administration.

The tablets can be divided into two equal halves.

Sonodor Diphenhydramine is presented in aluminum-polyethylene strips in boxes with 10 and 16 tablets.

Marketing Authorization Holder and Manufacturer

Laboratorios Urgo S.L. - C/Florida, 29 - 20120 HERNANI (Guipúzcoa) Spain

Date of the Last Revision of this Package Leaflet: 05/2017

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

Online doctors for SOÑODOR DIPHENHYDRAMINE 50 mg TABLETS

Discuss questions about SOÑODOR DIPHENHYDRAMINE 50 mg TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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Doctor

Tomasz Grzelewski

Dermatology 21 years exp.

Dr Tomasz Grzelewski is an MD, PhD specialist in allergy, paediatrics, general practice and sports medicine, with a clinical focus on dermatology, endocrinology, allergology and sports-related health. He has more than 20 years of clinical experience and completed his medical training at the Medical University of Łódź, where he defended his PhD thesis with distinction. His doctoral research was recognised by the Polish Society of Allergology for its innovative contribution to the field. Throughout his career, he has gained extensive expertise in diagnosing and managing a wide range of allergic and paediatric conditions, including modern allergen desensitisation techniques. For five years, Dr Grzelewski served as the Head of two paediatric departments in Poland, managing complex clinical cases and leading multidisciplinary teams. He also worked in medical centres in the United Kingdom, gaining experience across both primary care and specialist environments. With over a decade of telemedicine experience, he has provided online consultations across Europe and is valued for his clear, structured and evidence-based medical guidance. Dr Grzelewski is actively involved in clinical programmes focused on modern anti-allergic therapies. As a Principal Investigator, he leads research projects on sublingual and oral allergen desensitisation, supporting evidence-based progress in allergy treatment for both children and adults. In addition to his background in allergology and paediatrics, he completed dermatology studies through the Cambridge Education Group (Royal College of Physicians of Ireland) and a Clinical Endocrinology course at Harvard Medical School. This advanced training enhances his ability to manage skin manifestations of allergies, atopic conditions, urticaria, endocrine-related symptoms and complex immunological reactions. Patients commonly seek his care for: 

  • seasonal and perennial allergies
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  • general family medicine concerns

Dr Tomasz Grzelewski is known for his clear communication style, structured medical approach and ability to explain treatment options in a concise and accessible way. His multidisciplinary background across allergy, paediatrics, dermatology and endocrinology allows him to provide safe, up-to-date and comprehensive care for patients of all ages.

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Andreea Mateescu

Paediatrics 8 years exp.

Dr Andreea Mateescu is a board-certified paediatrician with 7 years of clinical experience. She graduated from Carol Davila University of Medicine and Pharmacy in Bucharest, Romania, and completed her paediatric residency at INSMC Alessandrescu-Rusescu. She also holds additional training in general ultrasound diagnostics.

Dr Mateescu focuses on providing high-quality, evidence-based medical care for children, with a strong emphasis on prevention, healthy development, and long-term wellbeing. She believes that clear, empathetic communication with both children and parents is essential for building trust and ensuring effective care.

Online consultations with Dr Mateescu are suitable for:

  • preventive check-ups and monitoring of growth and development;
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  • nutritional guidance for infants and children, including formula selection when medically indicated;
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Dr Mateescu works with patience, empathy, and professionalism, ensuring that each child receives attentive, individualised care. Her goal is to support healthy, balanced development while helping parents feel confident and well-informed at every stage of their child’s care.
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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

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.
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  • 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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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.
  • Follow-up care and medication review.
  • 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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Frequently Asked Questions

Is a prescription required for SOÑODOR DIPHENHYDRAMINE 50 mg TABLETS?
SOÑODOR DIPHENHYDRAMINE 50 mg TABLETS does not require a prescription in Spain. You can check with a doctor online whether this medicine may be appropriate for your situation.
Who manufactures SOÑODOR DIPHENHYDRAMINE 50 mg TABLETS?
SOÑODOR DIPHENHYDRAMINE 50 mg TABLETS is manufactured by Laboratorios Urgo S.L.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of SOÑODOR DIPHENHYDRAMINE 50 mg 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 SOÑODOR DIPHENHYDRAMINE 50 mg 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 SOÑODOR DIPHENHYDRAMINE 50 mg TABLETS?
Other medicines with the same active substance () include DEXDOR 100 micrograms/ml concentrate for infusion solution (25x2 ml), DEXDOR 100 micrograms/ml concentrate for infusion solution, DEXDOR 100 micrograms/ml concentrate for infusion solution. 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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