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FRIONEX 600 MG EFFERVSCENT TABLETS

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About the medicine

How to use FRIONEX 600 MG EFFERVSCENT 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

Frionex 600 mg Effervescent Tablets

Acetylcysteine

Read this entire leaflet carefully before starting to take this medicine, as 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 side effects not listed in this leaflet. See section 4.
  • You should consult a doctor if your condition worsens or does not improve after 5 days.

Contents of the Package Leaflet

  1. What is Frionex and what is it used for
  2. What you need to know before taking Frionex
  3. How to take Frionex
  4. Possible side effects
  5. Storage of Frionex
  6. Package Contents and Additional Information

1. What is Frionex and what is it used for

Acetylcysteine, the active ingredient of this medicine, belongs to a group of medicines called mucolytics, which act by decreasing the viscosity of mucus, making it more fluid and facilitating its elimination.

This medicine is indicated to facilitate the elimination of excess mucus and phlegm in colds and flu, for adults.

You should consult a doctor if your condition worsens or does not improve after 5 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 Frionex

Do not take Frionex:

  • If you are allergic to acetylcysteine or to any of the other components of this medicine (listed in section 6).
  • Do not administer to children under 2 years of age.

Warnings and Precautions

Consult your doctor or pharmacist before starting to take this medicine.

If you have asthma or a severe respiratory disease, you should consult your doctor before taking this medicine.

The possible sulfurous odor (like rotten eggs) of the medicine is characteristic of the active ingredient, but it does not indicate that the medicine is in poor condition.

If you experience stomach discomfort when taking the medicine, stop treatment and consult your doctor or pharmacist. Caution is recommended in patients with peptic ulcer or history of peptic ulcer.

During the first days of treatment, you may notice an increase in mucus and phlegm, which will decrease throughout the treatment.

Children and Adolescents

Children and adolescents should not take this medicine. There are other presentations more suitable for this population.

Taking Frionex with Other Medicines

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

Concomitant therapy with nitroglycerin may cause headache and hypotension should be monitored, which can be severe.

Concomitant administration with the antiepileptic carbamazepine may cause a decrease in the efficacy of carbamazepine.

Do not take concomitantly with antitussive medicines (for cough) or with those that decrease bronchial secretions (such as antihistamines and anticholinergics), as it may cause an accumulation of fluidified mucus.

When taking any medicine that contains minerals such as iron or calcium, or any medicine with antibiotics such as amphotericin B, ampicillin sodium, cephalosporins, lactobionate, erythromycin, and some tetracyclines, you should separate the intake of this medicine by at least 2 hours.

It is not recommended to dissolve this medicine with other medicines.

Taking Frionex with Food and Drinks

The intake of food and drinks does not affect the efficacy of this medicine.

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 medicine.

Its use should be avoided during breastfeeding.

Driving and Using Machines

There is no evidence of effects on the ability to drive and use machines.

Frionex contains Lactose, Sorbitol (E-420), and Sodium

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

This medicine contains 0.52 mg of sorbitol in each tablet.

This medicine contains 138.83 mg of sodium (main component of table salt/cooking salt) in each tablet. This is equivalent to 6.9% of the maximum daily intake of sodium recommended for an adult.

3. How to Take Frionex

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

The recommended dose is:

Adults: 1 tablet, 1 time a day. Do not exceed the dose of 1 tablet per day.

How to take:

This medicine is taken orally.

Dissolve in a glass of water, do not drink until the effervescence has completely stopped. It is recommended to drink plenty of liquid throughout the day.

You should consult a doctor if your condition worsens or does not improve after 5 days of treatment.

Use in Children and Adolescents

Children and adolescents should not take this medicine. There are other presentations more suitable for this population.

If You Take More Frionex Than You Should

If you take more acetylcysteine than you should, you may notice: nausea, vomiting, burning and stomach pain, diarrhea, or any other side effect described in section 4. Possible Side Effects.

In case of overdose or accidental ingestion, consult your doctor or pharmacist, or call the Toxicology Information Service, phone: 91.562.04.20, indicating the medicine and the amount taken.

If you have any other doubts about 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, this medicine can cause side effects, although not everybody gets them.

The following side effects may occur:

Uncommon (may affect up to 1 in 100 patients): hypersensitivity, headache, tinnitus, tachycardia, vomiting, diarrhea, stomatitis, abdominal pain, nausea, urticaria, skin rash, angioedema, pruritus, increased body temperature, hypotension.

Rare (may affect up to 1 in 1,000 patients): somnolence, bronchospasm, respiratory distress, gastrointestinal disorders. Very rare (may affect up to 1 in 10,000 patients): allergic reactions, anaphylactic shock, hemorrhage, severe skin reactions such as Stevens-Johnson syndrome and Lyell syndrome, sometimes identified with the concomitant use of another drug.

Frequency not known (cannot be estimated from the available data): facial swelling.

In case of any alteration in the skin or mucous membranes, the administration of acetylcysteine should be immediately interrupted and medical assistance should be sought.

Reporting of Side Effects

If you experience any type of side effect, consult your doctor or pharmacist, even if it is a side effect not listed in this leaflet. You can also report them directly through the Spanish Medicines and Health Products Agency (AEMPS) https://www.notificaram.es. By reporting side effects, you can contribute to providing more information on the safety of this medicine.

5. Storage of Frionex

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

No special storage conditions are required.

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. Deposit the packaging and medicines that you no longer need in the SIGRE collection point at the pharmacy. If in doubt, ask your pharmacist how to dispose of the packaging and medicines that you no longer need. This will help protect the environment.

6. Package Contents and Additional Information

Composition of Frionex

  • The active ingredient is acetylcysteine. Each tablet contains 600 mg of acetylcysteine.
  • The other components (excipients) are: anhydrous citric acid (E-330), ascorbic acid (E-300), sodium hydrogen carbonate (E-500), anhydrous sodium carbonate (E-500), lactose, mannitol (E-421), lemon flavor (contains sorbitol (E-420)), sodium cyclamate, sodium saccharin (E-954), sodium citrate (E-331).

Appearance of the Product and Package Contents

Frionex is presented in blister packs with round, white, effervescent tablets, with a smooth surface and no defects, and with a notch on one side.

Each package contains 20 effervescent tablets.

Marketing Authorization Holder and Manufacturer

Marketing Authorization Holder

Kern Pharma, S.L.

Venus, 72 - Pol. Ind. Colón II

08228 Terrassa - Barcelona

Spain

Manufacturer

Hermes Pharma Gmbh

Hans-Urmiller-Ring 52

82515, Wolfratshausen

Germany

Date of the Last Revision of this Leaflet: November 2021

Detailed information about 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 FRIONEX 600 MG EFFERVSCENT TABLETS

Discuss questions about FRIONEX 600 MG EFFERVSCENT 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.
  • 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.
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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
  • 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 (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

Frequently Asked Questions

Is a prescription required for FRIONEX 600 MG EFFERVSCENT TABLETS?
FRIONEX 600 MG EFFERVSCENT 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 FRIONEX 600 MG EFFERVSCENT TABLETS?
The active ingredient in FRIONEX 600 MG EFFERVSCENT TABLETS is acetylcysteine. This information helps identify medicines with the same composition but different brand names.
Who manufactures FRIONEX 600 MG EFFERVSCENT TABLETS?
FRIONEX 600 MG EFFERVSCENT 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 FRIONEX 600 MG EFFERVSCENT 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 FRIONEX 600 MG EFFERVSCENT 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 FRIONEX 600 MG EFFERVSCENT TABLETS?
Other medicines with the same active substance (acetylcysteine) include ACETYLCYSTEINE ABEX 600 mg EFFERVSCENT TABLETS, ACETYLCYSTEINE ALTER 600 mg EFFERVSCENT TABLETS, ACETYLCYSTEINE AUROVITAS 200 mg EFFERVSCENT 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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