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INTERTOS 15 mg TABLETS

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About the medicine

How to use INTERTOS 15 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

INTERTOS 15 mg Tablets

Dextromethorphan hydrobromide

Read this package 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 package leaflet or as indicated by your doctor 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 or pharmacist, even if it is a side effect not listed in this package leaflet. See section 4.
  • You should consult a doctor if your symptoms worsen or do not improve after 7 days, or if the cough is accompanied by high fever, skin rash, or persistent headache.

Contents of the Package Leaflet

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

1. What INTERTOS is and what it is used for

Dextromethorphan, the active substance of this medicine, is a cough suppressant that inhibits the cough reflex.

It is indicated for the symptomatic treatment of cough that is not accompanied by expectoration (irritative cough, nervous cough) in adults and adolescents from 12 years of age.

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

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 INTERTOS

This medicine can cause dependence. Therefore, treatment should be short-term.

Do not take INTERTOS:

  • If you are allergic (hypersensitive) to dextromethorphan or to any of the other components of this medicine (listed in section 6).
  • If you have a severe lung disease.
  • If you have asthmatic cough.
  • If you have cough accompanied by abundant secretions.
  • If you are being treated or have been treated in the last 2 weeks with any monoamine oxidase inhibitor (MAOI) medication, used to treat depression, Parkinson's disease, or other diseases, as well as other serotonin reuptake inhibitor medications used to treat depression, such as fluoxetine and paroxetine; or also with bupropion, which is a medication used to quit smoking or with linezolid, which is an antibacterial medication. (See section: Use of INTERTOS with other medications).

Children under 12 years of age should not take this medicine.

Warnings and precautions

Consult your doctor or pharmacist before starting to take INTERTOS.

If you are taking other medications such as antidepressants or antipsychotics, INTERTOS may interact with these medications and you may experience changes in your mental state (e.g., agitation, hallucinations, coma) and other effects such as body temperature above 38°C, increased heart rate, high blood pressure, and exaggerated reflexes, muscle stiffness, lack of coordination, and/or gastrointestinal symptoms (e.g., nausea, vomiting, and diarrhea).

Especially, patients with:

  • Persistent or chronic cough, such as that caused by smoking. Especially in children, chronic cough could be an early symptom of asthma.
  • Liver or kidney disease.
  • Atopic dermatitis (inflammatory skin disease characterized by erythema, itching, exudation, crusts, and scaling, which begins in childhood in individuals with a hereditary allergic predisposition).
  • Who are sedated, debilitated, or bedridden.
  • With CYP2D6 polymorphism (genetic alteration that affects the activity of this liver enzyme).
  • Concomitant use with alcohol should be avoided.

There have been cases of abuse with medications containing dextromethorphan in adolescents, so this possibility should be taken into account, as serious side effects can occur (see section: If you take more INTERTOS than you should).

This medicine can also be addictive, so its use at high doses or for a prolonged period can cause tolerance and mental and physical dependence. In patients with a tendency to abuse or dependence, it will only be administered under strict medical control and for short periods of time.

Children and adolescents

Children under 12 years of age should not take INTERTOS.

Use of INTERTOS with other medications

Tell your doctor or pharmacist if you are taking, have recently taken, or may take any other medication.

Do not take this medicine during treatment with the following medications, nor in the 2 weeks after treatment, as it can cause excitement, high blood pressure, and fever above 40°C (hyperpyrexia):

  • monoamine oxidase inhibitor (MAOI) antidepressants (moclobemide, tranylcypromine, clorgyline, iproniazid, and isocarboxazid),
  • serotonin reuptake inhibitor antidepressants (paroxetine, fluoxetine, sibutramine, or sertraline),
  • bupropion (used to quit smoking),
  • linezolid (used as an antibacterial),
  • procarbazine (used to treat cancer),
  • selegiline (used to treat Parkinson's disease).

Before starting to take this medicine, you should consult your doctor if you are using any of the following medications, as it may be necessary to modify the dose of one of them or interrupt treatment:

  • amiodarone and quinidine (to treat heart arrhythmias),
  • anti-inflammatory medications (celecoxib, parecoxib, or valdecoxib),
  • central nervous system depressants (some of which are used to treat: mental illnesses, allergies, Parkinson's disease, etc.),
  • expectorants and mucolytics (used to eliminate phlegm and mucus),
  • CYP2D6 inhibitors such as haloperidol (used to treat mental illnesses).

Use of INTERTOS with food, beverages, and alcohol

Alcoholic beverages should not be consumed during treatment with this medicine, as it can cause adverse reactions.

Do not take with grapefruit or bitter orange juice, as they can increase the adverse effects of this medicine.

The rest of the food and beverages can be taken with this medicine, as they do not affect its efficacy.

Pregnancy, breastfeeding, and fertility

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

Pregnant or breastfeeding women should not take this medicine without consulting a doctor.

Driving and using machines

During treatment with this medicine, you may experience drowsiness, dizziness, fatigue (tiredness), dystonia (involuntary muscle contractions), and visual hallucinations, so if you notice these symptoms, you should not drive vehicles or use hazardous machinery.

Medicine questions

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Discuss your symptoms and treatment with a doctor online.

3. How to take INTERTOS

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

The recommended dose is:

Adults and adolescents from 12 years of age: 1 tablet (15 mg of dextromethorphan hydrobromide) every 4 hours or 2 tablets (30 mg) every 6-8 hours, depending on the intensity of the cough. Do not take more than 8 tablets (120 mg) per day.

Always use the lowest effective dose.

Method of administration

Oral route.

Take the tablets with a little water. It can be taken with or without food. Do not take with grapefruit or bitter orange juice or with alcoholic beverages (see section: Use of INTERTOS with food, beverages, and alcohol).

If the cough worsens or persists for more than 7 days, or if it is accompanied by high fever, skin rash, or persistent headache, you should consult a doctor.

Use in children and adolescents

This medicine can only be taken by adolescents from 12 years of age.

If you take more INTERTOS than you should

If you take more INTERTOS than indicated, you may experience the following symptoms: nausea and vomiting, involuntary muscle contractions, agitation, confusion, drowsiness, disorders of consciousness, rapid involuntary eye movements, cardiac disorders (accelerated heart rate), coordination disorders, psychosis with visual hallucinations, and hyperexcitability.

Other symptoms in case of massive overdose may be: coma, severe respiratory problems, and convulsions.

Contact your doctor or hospital immediately if you experience any of the mentioned symptoms.

If you take more INTERTOS than recommended, you may notice: confusion, excitability, restlessness, nervousness, and irritability. Depending on the degree of intoxication, the symptoms may vary.

Taking very high amounts of this medicine can cause children to become drowsy, nervous, nauseous, vomit, or have changes in their gait.

There have been cases of abuse with medications containing dextromethorphan, which can cause serious side effects, such as: anxiety, panic, memory loss, tachycardia (accelerated heart rate), lethargy, high or low blood pressure, mydriasis (pupil dilation), agitation, vertigo, gastrointestinal discomfort, slurred speech, nystagmus (involuntary eye movement), fever, tachypnea (rapid shallow breathing), brain damage, ataxia (uncoordinated movements), convulsions, respiratory depression, loss of consciousness, arrhythmias (irregular heartbeats), and death.

In case of intoxication, you should receive treatment according to the symptoms, which may include intravenous naloxone injection and stomach lavage.

In case of overdose or accidental ingestion, go to your doctor or call the Toxicological Information Service (phone: 91 562 04 20), indicating the medicine and the amount taken.

4. Possible side effects

Like all medicines, INTERTOS can cause side effects, although not everyone will experience them.

During the use of dextromethorphan, the following side effects have been observed, whose frequency has not been established with certainty.

  • Nervous system disorders: drowsiness, dizziness, fatigue, involuntary muscle contractions, and more rarely mental confusion and headache.
  • Gastrointestinal disorders: nausea, vomiting, gastrointestinal discomfort such as stomach pain, constipation.
  • Ear and labyrinth disorders: vertigo
  • Immune system disorders: hypersensitivity and anaphylactic reaction including symptoms such as: skin rash, urticaria, edema, pruritus, and cardio-respiratory difficulty.
  • Psychiatric disorders: visual hallucinations and confusion. These effects are much more pronounced with overdose (see section: If you take more INTERTOS than you should).
  • Skin and subcutaneous tissue disorders: skin rash, urticaria, pruritus, erythema, allergic dermatitis.

Other side effects in children

Taking very high amounts of this medicine can cause children to become drowsy, nervous, nauseous, vomit, or have changes in their gait.

Reporting of side effects:

If you experience any side effect, consult your doctor, pharmacist, or nurse, even if it is a possible side effect not listed in this package leaflet. You can also report them directly through the Spanish Medicines and Health Products Agency (AEMPS) website (http://www.aemps.gob.es). By reporting side effects, you can help provide more information on the safety of this medicine.

5. Storage of INTERTOS

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

Do not use this medicine after the expiration date stated on the packaging, after CAD. The expiration date is the last day of the month indicated.

Medicines should not be disposed of via wastewater or household waste. Dispose of 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 INTERTOS

  • Each tablet contains 15 mg of dextromethorphan hydrobromide as the active substance (equivalent to 10.993 mg of dextromethorphan)
  • The other components (excipients) are: microcrystalline cellulose, cornstarch, magnesium stearate.

Appearance of the product and packaging contents

This medicine is presented in the form of round, white, biconvex tablets, scored on one side. The score line should not be used to divide the tablet.

It is presented in packs containing 20 tablets in aluminum-PVC and PVDC blisters.

Marketing authorization holder

INTERPHARMA, S.A.

C/ Santa Rosa 6

08921 Santa Coloma de Gramenet (Barcelona)

Spain

Manufacturer

Laboratorios Alcalá Farma, S.L.

Avenida de Madrid, 82

28802 Alcalá de Henares (Madrid)

Spain

Date of the last revision of this package leaflet: June 2020

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

Online doctors for INTERTOS 15 mg TABLETS

Discuss questions about INTERTOS 15 mg TABLETS, including use, safety considerations and prescription review, subject to medical assessment and local regulations.

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Doctor

Daniel Cichi

Family medicine 24 years exp.

Dr Daniel Cichi is a family medicine doctor with over 20 years of clinical experience. He provides online consultations for adults, supporting patients with acute symptoms, chronic conditions, and everyday health concerns that require timely medical guidance.

His background includes work in emergency care, ambulance services, and family medicine, which allows him to assess symptoms quickly, identify warning signs, and help patients choose the safest next steps – whether that means home care, treatment adjustment, or in-person evaluation.

Patients commonly consult Dr Daniel Cichi for:

  • acute symptoms: fever, infections, flu-like illness, cough, sore throat, shortness of breath;
  • chest discomfort, palpitations, dizziness, fatigue, and blood pressure concerns;
  • digestive problems: abdominal pain, nausea, diarrhoea, constipation, reflux;
  • muscle, joint, and back pain, minor injuries, post-traumatic symptoms;
  • chronic conditions: hypertension, diabetes, high cholesterol, thyroid disorders;
  • review and interpretation of lab tests, imaging reports, and medical documents;
  • medication review and treatment adjustment;
  • medical advice while travelling or living abroad;
  • second opinions and guidance on whether in-person care is needed.
Dr Cichi’s consultations are structured and practical. He focuses on clear explanations, risk assessment, and actionable recommendations, helping patients understand their symptoms and make informed decisions about their health.
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€55
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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
  • cough, sore throat, nasal congestion, breathing discomfort
  • bronchitis and mild asthma flare-ups
  • 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)
  • Prehospital Trauma Life Support (PHTLS)
  • 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 (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 (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.
  • 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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€55
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.
  • 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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€50

Frequently Asked Questions

Is a prescription required for INTERTOS 15 mg TABLETS?
INTERTOS 15 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.
What is the active substance in INTERTOS 15 mg TABLETS?
The active ingredient in INTERTOS 15 mg TABLETS is dextromethorphan. This information helps identify medicines with the same composition but different brand names.
Who manufactures INTERTOS 15 mg TABLETS?
INTERTOS 15 mg TABLETS is manufactured by Interpharma S.A.. Pharmacy brands and packaging may differ depending on the distributor.
Which doctors can assess the use of INTERTOS 15 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 INTERTOS 15 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 INTERTOS 15 mg TABLETS?
Other medicines with the same active substance (dextromethorphan) include BICASAN 2 mg/ml SYRUP, BISOLVON ANTITUSSIVE 2 mg/ml SYRUP, CINFATOS 10 mg LOZENGES. 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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